Abstract
C34H36CdN8O7, monoclinic, P21/n (no. 14), a = 14.863(3) Å, b = 13.184(3) Å, c = 17.202(3) Å, β = 91.33(3)°, V = 3369.8(12) Å3, Z = 4, Rgt(F) = 0.0311, wRref(F2) = 0.0825, T = 113(2) K.

The title complex is shown in the figure. Hydrogen atoms and the solvent molecules are omitted in the figure for clarity. Tables 1 and 2 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters.
Crystal collection and handling.
| Crystal: | Block, colorless |
| Size: | 0.20 × 0.18 × 0.12 mm |
| Wavelength: | Mo Kα radiation (λ = 0.71073 Å) |
| μ: | 0.71 mm−1 |
| Diffractometer, scan mode: | Rigaku Saturn, ω-scans |
| θmax, completeness: | 25.0°, >99% |
| N(hkl)measured, N(hkl)unique, Rint: | 26169, 5942, 0.0418 |
| Criterion for Iobs, N(hkl)gt: | Iobs > 2σ(Iobs), 5322 |
| N(param)refined: | 470 |
| Programs: | CrystalClear [1], OLEX2 [2], SHELX [3] |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
| Atom | x | y | z | Uiso*/Ueq |
|---|---|---|---|---|
| Cd1 | 0.45533(2) | 0.66299(2) | 0.19391(2) | 0.01846(9) |
| O1 | 0.42429(12) | 0.83302(12) | 0.22599(12) | 0.0266(4) |
| O2 | 0.48056(12) | 0.98530(12) | 0.25336(11) | 0.0258(4) |
| O3 | 0.59558(12) | 0.57476(13) | 0.12598(11) | 0.0266(4) |
| O4 | 0.74589(13) | 0.57663(14) | 0.13254(13) | 0.0348(5) |
| O5 | 0.51552(18) | 0.16590(14) | 0.32849(14) | 0.0435(6) |
| H5B | 0.509252 | 0.117700 | 0.296892 | 0.065 |
| O6 | 0.81779(17) | 0.45483(17) | 0.01979(13) | 0.0458(6) |
| H6A | 0.796394 | 0.493015 | 0.053805 | 0.069 |
| O7 | 0.2559(2) | 0.3689(3) | 0.3279(2) | 0.0882(11) |
| H7B | 0.203286 | 0.349567 | 0.316733 | 0.132 |
| N1 | 0.37136(14) | 0.49860(15) | 0.15055(12) | 0.0208(5) |
| N2 | 0.40522(14) | 0.67795(14) | 0.06861(12) | 0.0191(5) |
| N3 | 0.39026(15) | 0.60436(17) | −0.04767(13) | 0.0229(5) |
| H3 | 0.389(2) | 0.547(3) | −0.077(2) | 0.055(11) |
| N4 | 0.32154(15) | 0.64542(15) | 0.26295(13) | 0.0210(5) |
| N5 | 0.18698(16) | 0.57512(17) | 0.27714(13) | 0.0230(5) |
| H5 | 0.143(2) | 0.545(2) | 0.2665(17) | 0.024(8) |
| N6 | 0.50089(14) | 0.53459(15) | 0.27323(13) | 0.0225(5) |
| N7 | 0.50273(16) | 0.37580(17) | 0.31344(14) | 0.0269(5) |
| H7 | 0.491(2) | 0.317(2) | 0.3146(19) | 0.031(9) |
| N8 | 0.58794(14) | 0.75823(14) | 0.19662(11) | 0.0168(4) |
| C1 | 0.39067(18) | 0.48901(18) | 0.06741(15) | 0.0222(6) |
| H1A | 0.342963 | 0.448177 | 0.041262 | 0.027 |
| H1B | 0.448728 | 0.453418 | 0.061278 | 0.027 |
| C2 | 0.39515(16) | 0.59158(18) | 0.03011(15) | 0.0199(5) |
| C3 | 0.40705(17) | 0.75294(18) | 0.01157(15) | 0.0200(5) |
| C4 | 0.41311(19) | 0.8586(2) | 0.01843(17) | 0.0271(6) |
| H4 | 0.419353 | 0.890475 | 0.067771 | 0.033 |
| C5 | 0.40963(19) | 0.9145(2) | −0.04952(18) | 0.0304(6) |
| H5A | 0.412888 | 0.986331 | −0.046602 | 0.037 |
| C6 | 0.4014(2) | 0.8679(2) | −0.12273(18) | 0.0313(6) |
| H6 | 0.399408 | 0.909062 | −0.168079 | 0.038 |
| C7 | 0.39622(18) | 0.7639(2) | −0.13043(16) | 0.0278(6) |
| H7A | 0.391640 | 0.732307 | −0.179979 | 0.033 |
| C8 | 0.39803(17) | 0.70762(19) | −0.06180(15) | 0.0217(5) |
| C9 | 0.27525(17) | 0.5200(2) | 0.16188(15) | 0.0226(6) |
| H9A | 0.241771 | 0.455288 | 0.165121 | 0.027 |
| H9B | 0.250850 | 0.558390 | 0.116637 | 0.027 |
| C10 | 0.26185(17) | 0.58023(18) | 0.23468(15) | 0.0209(5) |
| C11 | 0.28341(18) | 0.68408(19) | 0.32997(15) | 0.0211(5) |
| C12 | 0.31704(19) | 0.75318(19) | 0.38503(16) | 0.0250(6) |
| H12 | 0.374197 | 0.784252 | 0.379430 | 0.030 |
| C13 | 0.2640(2) | 0.7746(2) | 0.44797(16) | 0.0290(6) |
| H13 | 0.285503 | 0.821146 | 0.486254 | 0.035 |
| C14 | 0.1799(2) | 0.7300(2) | 0.45682(16) | 0.0307(7) |
| H14 | 0.145698 | 0.746751 | 0.500984 | 0.037 |
| C15 | 0.1451(2) | 0.66212(19) | 0.40311(17) | 0.0266(6) |
| H15 | 0.087758 | 0.631681 | 0.409125 | 0.032 |
| C16 | 0.19834(18) | 0.64034(19) | 0.33945(15) | 0.0218(5) |
| C17 | 0.4044(2) | 0.41187(19) | 0.19722(17) | 0.0289(6) |
| H17A | 0.434023 | 0.362803 | 0.162551 | 0.035 |
| H17B | 0.352492 | 0.377273 | 0.220624 | 0.035 |
| C18 | 0.46970(18) | 0.44257(18) | 0.26067(15) | 0.0220(6) |
| C19 | 0.55817(18) | 0.5276(2) | 0.33790(16) | 0.0242(6) |
| C20 | 0.6115(2) | 0.6014(2) | 0.37436(18) | 0.0325(7) |
| H20 | 0.612150 | 0.669393 | 0.355992 | 0.039 |
| C21 | 0.6633(2) | 0.5722(2) | 0.4380(2) | 0.0439(8) |
| H21 | 0.700546 | 0.620767 | 0.463916 | 0.053 |
| C22 | 0.6619(2) | 0.4721(3) | 0.4649(2) | 0.0497(9) |
| H22 | 0.697595 | 0.454431 | 0.509353 | 0.060 |
| C23 | 0.6101(2) | 0.3984(2) | 0.4287(2) | 0.0427(8) |
| H23 | 0.609767 | 0.330467 | 0.447061 | 0.051 |
| C24 | 0.55882(19) | 0.4278(2) | 0.36453(17) | 0.0274(6) |
| C25 | 0.48851(16) | 0.89342(17) | 0.23674(14) | 0.0177(5) |
| C26 | 0.58303(17) | 0.85247(17) | 0.22608(14) | 0.0172(5) |
| C27 | 0.65886(17) | 0.90985(19) | 0.24322(15) | 0.0222(6) |
| H27 | 0.653895 | 0.975977 | 0.264632 | 0.027 |
| C28 | 0.74233(19) | 0.8681(2) | 0.22826(18) | 0.0292(6) |
| H28 | 0.795747 | 0.905176 | 0.239970 | 0.035 |
| C29 | 0.74734(18) | 0.7722(2) | 0.19622(17) | 0.0272(6) |
| H29 | 0.804070 | 0.743264 | 0.184873 | 0.033 |
| C30 | 0.66892(17) | 0.71907(18) | 0.18091(14) | 0.0189(5) |
| C31 | 0.67039(18) | 0.61376(18) | 0.14363(15) | 0.0215(6) |
| C32 | 0.5106(3) | 0.1287(3) | 0.4049(2) | 0.0645(11) |
| H32A | 0.566413 | 0.092662 | 0.418728 | 0.097 |
| H32B | 0.459545 | 0.081974 | 0.408404 | 0.097 |
| H32C | 0.502434 | 0.185396 | 0.440883 | 0.097 |
| C33 | 0.8446(3) | 0.3624(3) | 0.0542(2) | 0.0490(9) |
| H33A | 0.902175 | 0.371695 | 0.082254 | 0.073 |
| H33B | 0.851382 | 0.310845 | 0.013742 | 0.073 |
| H33C | 0.798868 | 0.340247 | 0.090719 | 0.073 |
| C34 | 0.2974(3) | 0.2989(4) | 0.3697(3) | 0.0702(13) |
| H34A | 0.341050 | 0.331236 | 0.405364 | 0.105 |
| H34B | 0.328805 | 0.252312 | 0.335231 | 0.105 |
| H34C | 0.253237 | 0.261142 | 0.399652 | 0.105 |
Source of material
Tris(2-benzimidazolylmethyl)amine (ntb) was prepared according to the literature method [1]. To a stirred methanol solution (20 mL) containing cadmium perchlorate hexahydrate (0.066 g, 0.2 mmol) and ntb (0.08 g, 0.2 mmol), a methanol solution (10 mL) of 2,6-pyridinedicarboxylic acid (H2dipic, 0.033 g, 0.2 mmol) and triethylamine (0.022 g, 0.2 mmol) was added dropwise. After stirring for 3 h, the filtrate of the resulting solution was allowed to stand at room temperature for several weeks to give colorless crystals of the title compound, in a yield of 55%.
Experimental details
The crystal structure was refined using the SHELX-18/3 package [3, 4] . Hydrogen atoms were positioned geometrically and allowed to ride on their parent atoms. The Uiso values of the hydrogen atoms of methyl groups were set to 1.5Ueq(C) and the Uiso values of all other hydrogen atoms were set to 1.2Ueq(C).
Discussion
Imidazole is a typical heterocyclic ligand as a component of biologically important molecules [5]. Moreover, the derivates of imidazole have long been used in coordination chemistry [6]. For example, tris(2-benzimidazylmethyl)amine (ntb) was used in the coordination of transition metals to mimic the active sites of superoxide dismutase by Nie’s group [7]. The tetradentate tripodal ligand ntb contains three aromatic N-donors on its arms, which can each rotate freely around an N(apical)-C bond. Thus, multicomponent complexes or coordination polymeric networks can be formed from this ligand with metal ions of low coordination number [8]. Compared to other metal complexes, cadmium complexes of ntb are rarely reported [9, 10] . On the other hand cadmium(II) complexes of ntb using 2,6-pyridinedicarboxylate as coligand have never been reported. In this article, we report the structures of a new 2,6-pyridinedicarboxylate-containing cadmium(II) complex of ntb, which exhibits hydrogen-bonding forming a chain structure.
The title compound consists of one [Cd(ntb)(dipic)] complex, and three methanol molecules. The Cd(II) ion is octahedrally coordinated by four N atoms of ntb, one carboxylate oxygen and pyridine nitrogen of the 2,6-pyridinedicarboxylate ligand. The equatorial plane is defined by three benzimidazoles N(1), N(2), N(6) of ntb and one carboxylate oxygen atom O(1). Equatorial bond angles are ranging from 69.7° to 139.8°. The bond distance of Cd(1)—N(1) = 2.602(2) Å, lies trans-to O(1) atom, is significantly longer than Cd(1)—N(2) = 2.272(2) Å, Cd(1)—N(6) = 2.268(2) Å, and Cd(1)—O(1) = 2.3571(19) Å. The axial positions are occupied by N(4) and N(8) with N(4)—Cd(1)—N(8) angle of 139.91°. The bond length of Cd(1)—N(4) is 2.352(3) Å and the distance of Cd(1)—N(8) is 2.336(2) Å. The bond distance Cd(1)—N(1) and the angle N(4)—Cd(1)—N(8) reflect the distortions of the coordination octahedron. Other significant distortions are observed in the angles, N(1)—Cd(1)—O(1) = 139.82°, N(2)—Cd(1)—N(6) = 136.32°. In addition, intermolecular H-bond of type N—H⋯O [N(3)H(3)⋯O(3) = 2.72 Å N(3)H(3)⋯O(3) 168°] between the NH group of ntb and the uncoordinated carboxylate oxygen atom of pyridinedicarboxylate anion bridges adjacent molecules to form a dimeric unit. These dimers are further connected via two hydrogen bonds: one between the NH group of ntb and methanol oxygen N—H⋯O [N(7)—H(7 A)⋯O(5) = 2.775 Å N(7)—H(7 A)⋯O(5) 152.94°] and the other between OH of methanol and the uncoordinated carboxylate oxygen of the picolinato ligand O—H⋯O [O(5)—H(5 A)⋯O(2) = 2.752 Å O(5)—H(5 A)⋯O(2) 161.23°] to form two antiparallel chains. Geometric parameters of the ligands and coordination modes are in perfect accord with the literature [11].
Acknowledgements
The authors are grateful for the financial support from National Natural Science Foundation of China (Grant No. 21404081), and Beijing National Laboratory for Molecular Sciences (BNLMS) (20140149).
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©2018 Chen Jing et al., published by De Gruyter, Berlin/Boston
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Artikel in diesem Heft
- Cover and Frontmatter
- Crystal structure of di-μ2-aqua-tetraaqua-bis(4-(1H-1,2,4-triazol-1-yl)benzoato-κN)disodium(I) C18H24N6Na2O10
- Crystal structure of diaqua-bis(2-bromo-4-chloro-6-formylphenolato-κ2O,O′)cobalt(II), C16H16Cl2CrN3O7
- Crystal structure of catena-poly[(μ2-1-(4-(1H-pyrazol-1-yl)phenyl)ethan-1-one-κ2N:O)-bis(1,1,1-trifluoro-4-oxo-4-(thiophen-2-yl)but-2-en-2-olato-κ2O,O′)copper(II)], C27H18CuF6N2O5S2
- Crystal structure of ethyl 2-amino-4-(3,5-difluorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carboxylate, C18H15F2NO5
- Crystal structure of 5,5′-dimethoxy-2,2′-[1,1′-(ethylenedioxydinitrilo)diethylidyne]diphenol, C20H24N2O6
- Crystal structure of (E)-1-(4-(((E)-3,5-dichloro-2-hydroxybenzylidene)amino)phenyl)ethan-1-one O-methyl oxime, C16H14Cl2N2O2
- Crystal structure of 2,3,9,10,16,17,23,24-octakis(2,6-dimethylphenoxy)phthalocyanine - trichloromethane (1/2), C98H84Cl6N8O8
- Crystal structure of methyl 2-((1-(2-(methoxycarbonyl)benzyl)-1H-1,2,3-triazol-4-yl)methoxy)-1-naphthoate, C24H21N3O5
- Crystal structure of catena-poly[(μ2-3,3′-thiodipropionato-κ2O:O′)-(bipyridine-κ2N,N′)copper(II)] C16H16CuN2O4S
- Crystal structure of [4-chloro-2-(((2-((3-ethoxy-2-oxidobenzylidene)amino)phenyl)imino)(phenyl)methyl)phenolato-κ4N,N′,O,O′}nickel(II) - ethyl acetate (1/1), C32H29ClN2NiO5
- Crystal structure of (4-(4-chlorophenyl)-5-ethyl-1,3-dioxane-5-carboxylato-κ2O,O′)-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N′′,N′′′)nickel(II) perchlorate monohydrate, C29H52Cl2N4NiO9
- Crystal structure of ethyl 2-amino-4-(3,4-dimethylphenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carboxylate, C20H21NO5
- Structure and photochromism of 1,2-bis[2-methyl-5-(3-quinolyl)-3-thienyl]-3,3,4,4,5,5-hexafluorocyclopent-1-ene, C33H20F6N2S2
- Crystal structure of catena-poly[diaqua-bis(μ2-3,5-di(1H-1,2,4-triazol-1-yl)benzoate-κ2N:N′)cobalt(II))] 2.5 hydrate, C22H23CoN12O8.50
- The crystal structure of dichlorido(1,3-dimesityl-1H-3λ4-imidazol-2-yl)(morpholine-κN)palladium(IV), C25H33Cl2N3OPd
- Crystal structure of catena-poly[bis(4,4′-dipyridylaminium-kN)-(μ2-germanowolframato-κ2O:O′)-(2,2′-bipyridine-κ2N,N′)copper(II)] with a Keggin-type heteropolyoxoanion, [Cu(C10H8N2)(C10H10N3)2][GeW12O40] ⋅ H2O
- Crystal structure of diaqua-(N-(1-(pyrazin-2-yl)ethylidene)pyridin-1-ium-4-carbohydrazonate-κ3N,N′,O)-tris[nitrato-κ2O,O′)lanthanum(III), C12H15N8O12La
- The crystal structure of 2-hydroxy-4-((2-hydroxy-4-methoxy-3,6-dimethylbenzoyl)oxy)-3,6-dimethylbenzoic acid–methanol (1/1), C20H24O8
- Crystal structure of guanidinium tetrapropylammonium bis(hydrogencarbonate) dihydrate, C15H40N4O8
- Crystal structure of (Z)-2-bromo-3-(3,5-di-tert-butyl-4-hydroxyphenyl)-1-phenylprop-2-en-1-one, C23H27BrO2
- Crystal structure of 2-(4-(4H-1,2,4-triazol-4-yl)phenyl)acetic acid, C10H9N3O4
- Crystal structure of 4,4′-(1,4-phenylene)bis(1H-imidazol-3-ium)bis(2-carboxybenzoate), C30H26N4O8
- Crystal structure of 4,4′-(4,10-diphenyl-4,10-dihydropyreno[4,5-d:9,10-d′]diimidazole-5,11-diyl)bis(N,N-diphenylaniline), C66H44N6
- Crystal structure of catena-poly[diaqua-bis(μ2-5-(3-(1H-imidazol-5-yl)phenyl)tetrazol-2-ido-κ2N:N′)cobalt(II)], C20H18CoN12O2
- Crystal structure of 1,3-dimethyl-2-(p-tolyl)-1H-perimidin-3-ium iodide 1.5 hydrate, C20H22IN2O1.5
- Crystal structure of 2-(4-methoxyphenyl)chromane, C16H16O2
- Crystal structure of poly[(μ2-2-carboxy-5-nitroisophthalato-κ2O:O′)-(μ2-4-((1H-imidazol-1-yl)methyl)pyridine-κ2N:N′)zinc(II)], C18H12N4O8Zn
- Crystal structure of bis(1-((2-ethyl-4-methyl-1H-imidazol-1-yl)methyl)-1H-benzo[d][1,2,3]triazole-κ2N:N′)tetraiodidodicadmium(II), [Cd2(C13H15N5)2I4]
- Crystal structure of tetramethylammonium bis(acetato-κ1O)-tetrakis(μ3-3-((hydroxyimino)methyl)-5-methoxy-2-oxidobenzoate-κ5O,O′:O′,N:O′′)tetrazinc(II) — N,N′-dimethylformamide — water (1/2/2), C62H96Zn4N10O28
- Crystal structure of poly[(μ4-5-tert-butylisophthalato-κ4O:O′:O′′:O′′′)-(1,3-dimethyl-2-imidazolidinone-κO)zinc(II)] C17H22N2O5Zn
- Crystal structure of [tris(2-benzimidazolylmethyl)amine-κ4N,N′,N′′,N′′′]-[(pyridine-2,6-dicarboxylato-κ2O,N)]cadmium(II)–methanol (1:3) C34H36CdN8O7
- The crystal structure of bis(1H-benzo[d]imidazol-2-amine-κN)-diiodidocadmium(II), C14H14CdI2N6
- Crystal structure of tetrakis(1H-benzimidazol-2-amine)-κN)-bis(μ2-sulfonato-κ2O:O′)dizinc(II) - methanol (1/1), C30H36N12O10S2Zn2
- Crystal structure of 3β-methoxy-20α-dimethylamino-pregn-5-ene, C24H41NO
- Crystal structure of dimethyl 4,4′-oxydibenzoate, C16H14O5
- Crystal structure of catena-poly[diiodido-(μ2-1,5-dimethyl-2-phenyl-4-((pyridin-3-ylmethylene)amino)-1,2-dihydro-3H-pyrazol-3-one-κ2N:O)zinc(II)], C17H16I2N4OZn
- Crystal structure of 4-((E)-((E)-5-(2-fluorobenzylidene)-1-((4-fluorophenyl)sulfonyl)-4-oxopiperidin-3-ylidene)methyl)benzonitrile, C26H18F2N2O3S
- Crystal structure of bis(acetato-κ1O)-bis(1-(pyridin-2-yl)ethan-1-one oxime-κ2N,N′)zinc(II), C18H22N4O6Zn
- The crystal structure of 9-butoxy-2-(hydroxymethyl)-2H-imidazo[1,5-a]quinolin-10-ium bromide, C17H21O2N2Br
- Crystal stucture of 2-(tert-butyl)-6-(hydroxymethyl)-4-methylphenol, C12H18O2
- Crystal structure of catena-poly[(2-(5-chloroquinolin-8-yloxy)-1-(pyrrolidin-1-yl)ethan-1-one-κ3N,O,O′)-(dinitrato-κ2O,O′)mercury(II)], C15H15N4O8ClHg
- Crystal structure of dimethyl (3aS,6R,6aS,7S)-1H,3H,6H,7H-3a,6:7,9a-diepoxybenzo[de]isochromene-3a1,6a-dicarboxylate, C16H16O7
- The crystal structure of 2-(dimethoxymethyl)-4-(4-methylphenyl)-1H-imidazole—petroleum ether-chloroform (3/1), C27H33Cl3N4O4
- Crystal structure of 8-(trifluoromethyl)imidazo[1,2-a]pyridine-3-carbaldehyde, C9H5F3N2O
- The crystal structure of N,N-diethyl-4,6-bis(naphthalen-2-yloxy)-1,3,5-triazin-2-amine, C27H24N4O2
- Crystal structure of 5-bromo-7-chloro-3,3a-dihydrocyclopenta[b]chromen-1(2H)-one, C12H8BrClO2
- Crystal structure of 2-(bis(4-fluorophenyl)methylene)hydrazine-1-carbothioamide, C14H11F2N3S
Artikel in diesem Heft
- Cover and Frontmatter
- Crystal structure of di-μ2-aqua-tetraaqua-bis(4-(1H-1,2,4-triazol-1-yl)benzoato-κN)disodium(I) C18H24N6Na2O10
- Crystal structure of diaqua-bis(2-bromo-4-chloro-6-formylphenolato-κ2O,O′)cobalt(II), C16H16Cl2CrN3O7
- Crystal structure of catena-poly[(μ2-1-(4-(1H-pyrazol-1-yl)phenyl)ethan-1-one-κ2N:O)-bis(1,1,1-trifluoro-4-oxo-4-(thiophen-2-yl)but-2-en-2-olato-κ2O,O′)copper(II)], C27H18CuF6N2O5S2
- Crystal structure of ethyl 2-amino-4-(3,5-difluorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carboxylate, C18H15F2NO5
- Crystal structure of 5,5′-dimethoxy-2,2′-[1,1′-(ethylenedioxydinitrilo)diethylidyne]diphenol, C20H24N2O6
- Crystal structure of (E)-1-(4-(((E)-3,5-dichloro-2-hydroxybenzylidene)amino)phenyl)ethan-1-one O-methyl oxime, C16H14Cl2N2O2
- Crystal structure of 2,3,9,10,16,17,23,24-octakis(2,6-dimethylphenoxy)phthalocyanine - trichloromethane (1/2), C98H84Cl6N8O8
- Crystal structure of methyl 2-((1-(2-(methoxycarbonyl)benzyl)-1H-1,2,3-triazol-4-yl)methoxy)-1-naphthoate, C24H21N3O5
- Crystal structure of catena-poly[(μ2-3,3′-thiodipropionato-κ2O:O′)-(bipyridine-κ2N,N′)copper(II)] C16H16CuN2O4S
- Crystal structure of [4-chloro-2-(((2-((3-ethoxy-2-oxidobenzylidene)amino)phenyl)imino)(phenyl)methyl)phenolato-κ4N,N′,O,O′}nickel(II) - ethyl acetate (1/1), C32H29ClN2NiO5
- Crystal structure of (4-(4-chlorophenyl)-5-ethyl-1,3-dioxane-5-carboxylato-κ2O,O′)-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N′′,N′′′)nickel(II) perchlorate monohydrate, C29H52Cl2N4NiO9
- Crystal structure of ethyl 2-amino-4-(3,4-dimethylphenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carboxylate, C20H21NO5
- Structure and photochromism of 1,2-bis[2-methyl-5-(3-quinolyl)-3-thienyl]-3,3,4,4,5,5-hexafluorocyclopent-1-ene, C33H20F6N2S2
- Crystal structure of catena-poly[diaqua-bis(μ2-3,5-di(1H-1,2,4-triazol-1-yl)benzoate-κ2N:N′)cobalt(II))] 2.5 hydrate, C22H23CoN12O8.50
- The crystal structure of dichlorido(1,3-dimesityl-1H-3λ4-imidazol-2-yl)(morpholine-κN)palladium(IV), C25H33Cl2N3OPd
- Crystal structure of catena-poly[bis(4,4′-dipyridylaminium-kN)-(μ2-germanowolframato-κ2O:O′)-(2,2′-bipyridine-κ2N,N′)copper(II)] with a Keggin-type heteropolyoxoanion, [Cu(C10H8N2)(C10H10N3)2][GeW12O40] ⋅ H2O
- Crystal structure of diaqua-(N-(1-(pyrazin-2-yl)ethylidene)pyridin-1-ium-4-carbohydrazonate-κ3N,N′,O)-tris[nitrato-κ2O,O′)lanthanum(III), C12H15N8O12La
- The crystal structure of 2-hydroxy-4-((2-hydroxy-4-methoxy-3,6-dimethylbenzoyl)oxy)-3,6-dimethylbenzoic acid–methanol (1/1), C20H24O8
- Crystal structure of guanidinium tetrapropylammonium bis(hydrogencarbonate) dihydrate, C15H40N4O8
- Crystal structure of (Z)-2-bromo-3-(3,5-di-tert-butyl-4-hydroxyphenyl)-1-phenylprop-2-en-1-one, C23H27BrO2
- Crystal structure of 2-(4-(4H-1,2,4-triazol-4-yl)phenyl)acetic acid, C10H9N3O4
- Crystal structure of 4,4′-(1,4-phenylene)bis(1H-imidazol-3-ium)bis(2-carboxybenzoate), C30H26N4O8
- Crystal structure of 4,4′-(4,10-diphenyl-4,10-dihydropyreno[4,5-d:9,10-d′]diimidazole-5,11-diyl)bis(N,N-diphenylaniline), C66H44N6
- Crystal structure of catena-poly[diaqua-bis(μ2-5-(3-(1H-imidazol-5-yl)phenyl)tetrazol-2-ido-κ2N:N′)cobalt(II)], C20H18CoN12O2
- Crystal structure of 1,3-dimethyl-2-(p-tolyl)-1H-perimidin-3-ium iodide 1.5 hydrate, C20H22IN2O1.5
- Crystal structure of 2-(4-methoxyphenyl)chromane, C16H16O2
- Crystal structure of poly[(μ2-2-carboxy-5-nitroisophthalato-κ2O:O′)-(μ2-4-((1H-imidazol-1-yl)methyl)pyridine-κ2N:N′)zinc(II)], C18H12N4O8Zn
- Crystal structure of bis(1-((2-ethyl-4-methyl-1H-imidazol-1-yl)methyl)-1H-benzo[d][1,2,3]triazole-κ2N:N′)tetraiodidodicadmium(II), [Cd2(C13H15N5)2I4]
- Crystal structure of tetramethylammonium bis(acetato-κ1O)-tetrakis(μ3-3-((hydroxyimino)methyl)-5-methoxy-2-oxidobenzoate-κ5O,O′:O′,N:O′′)tetrazinc(II) — N,N′-dimethylformamide — water (1/2/2), C62H96Zn4N10O28
- Crystal structure of poly[(μ4-5-tert-butylisophthalato-κ4O:O′:O′′:O′′′)-(1,3-dimethyl-2-imidazolidinone-κO)zinc(II)] C17H22N2O5Zn
- Crystal structure of [tris(2-benzimidazolylmethyl)amine-κ4N,N′,N′′,N′′′]-[(pyridine-2,6-dicarboxylato-κ2O,N)]cadmium(II)–methanol (1:3) C34H36CdN8O7
- The crystal structure of bis(1H-benzo[d]imidazol-2-amine-κN)-diiodidocadmium(II), C14H14CdI2N6
- Crystal structure of tetrakis(1H-benzimidazol-2-amine)-κN)-bis(μ2-sulfonato-κ2O:O′)dizinc(II) - methanol (1/1), C30H36N12O10S2Zn2
- Crystal structure of 3β-methoxy-20α-dimethylamino-pregn-5-ene, C24H41NO
- Crystal structure of dimethyl 4,4′-oxydibenzoate, C16H14O5
- Crystal structure of catena-poly[diiodido-(μ2-1,5-dimethyl-2-phenyl-4-((pyridin-3-ylmethylene)amino)-1,2-dihydro-3H-pyrazol-3-one-κ2N:O)zinc(II)], C17H16I2N4OZn
- Crystal structure of 4-((E)-((E)-5-(2-fluorobenzylidene)-1-((4-fluorophenyl)sulfonyl)-4-oxopiperidin-3-ylidene)methyl)benzonitrile, C26H18F2N2O3S
- Crystal structure of bis(acetato-κ1O)-bis(1-(pyridin-2-yl)ethan-1-one oxime-κ2N,N′)zinc(II), C18H22N4O6Zn
- The crystal structure of 9-butoxy-2-(hydroxymethyl)-2H-imidazo[1,5-a]quinolin-10-ium bromide, C17H21O2N2Br
- Crystal stucture of 2-(tert-butyl)-6-(hydroxymethyl)-4-methylphenol, C12H18O2
- Crystal structure of catena-poly[(2-(5-chloroquinolin-8-yloxy)-1-(pyrrolidin-1-yl)ethan-1-one-κ3N,O,O′)-(dinitrato-κ2O,O′)mercury(II)], C15H15N4O8ClHg
- Crystal structure of dimethyl (3aS,6R,6aS,7S)-1H,3H,6H,7H-3a,6:7,9a-diepoxybenzo[de]isochromene-3a1,6a-dicarboxylate, C16H16O7
- The crystal structure of 2-(dimethoxymethyl)-4-(4-methylphenyl)-1H-imidazole—petroleum ether-chloroform (3/1), C27H33Cl3N4O4
- Crystal structure of 8-(trifluoromethyl)imidazo[1,2-a]pyridine-3-carbaldehyde, C9H5F3N2O
- The crystal structure of N,N-diethyl-4,6-bis(naphthalen-2-yloxy)-1,3,5-triazin-2-amine, C27H24N4O2
- Crystal structure of 5-bromo-7-chloro-3,3a-dihydrocyclopenta[b]chromen-1(2H)-one, C12H8BrClO2
- Crystal structure of 2-(bis(4-fluorophenyl)methylene)hydrazine-1-carbothioamide, C14H11F2N3S