Abstract
[CuC12H10N4]⋅[CuCl2], triclinic, P1̄ (no. 2), a = 4.2957(9) Å, b = 8.718(2) Å, c = 9.878(3) Å, α = 67.58(2)°, β = 78.97(2)°, γ = 80.043(19)°, V = 333.63(15) Å3, Z = 1, Rgt (F) = 0.0360, wRref (F 2) = 0.0998, T = 296 K.
The molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.
Data collection and handling.
Crystal: | Green block |
Size: | 0.25 × 0.18 × 0.12 mm |
Wavelength: | Mo Kα radiation (0.71073 Å) |
μ: | 3.58 mm−1 |
Diffractometer, scan mode: | XtaLAB Mini (ROW), ω |
θ max, completeness: | 25.1°, >99 % |
N(hkl)measured, N(hkl)unique, R int: | 1789, 1187, 0.019 |
Criterion for I obs, N(hkl)gt: | I obs > 2σ(I obs), 990 |
N(param)refined: | 94 |
Programs: | CrysAlisPRO, 1 Olex2, 2 SHELX, 3 , 4 PLATON 5 |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
Atom | x | y | z | U iso*/U eq |
---|---|---|---|---|
C1 | 0.9474 (7) | 0.7094 (4) | 0.2918 (4) | 0.0343 (8) |
H1 | 1.004994 | 0.637199 | 0.239844 | 0.041* |
C2 | 0.7274 (8) | 0.8165 (5) | 0.4541 (4) | 0.0453 (9) |
H2 | 0.601788 | 0.830286 | 0.537368 | 0.054* |
C3 | 0.9196 (9) | 0.9248 (5) | 0.3568 (4) | 0.0424 (9) |
H3 | 0.950204 | 1.026654 | 0.359280 | 0.051* |
C4 | 1.2854 (6) | 0.9292 (4) | 0.1247 (3) | 0.0261 (7) |
C5 | 1.3823 (8) | 1.0835 (4) | 0.0960 (4) | 0.0346 (8) |
H5 | 1.303161 | 1.140303 | 0.160434 | 0.042* |
C6 | 1.4055 (7) | 0.8475 (4) | 0.0270 (4) | 0.0355 (8) |
H6 | 1.341240 | 0.744084 | 0.045038 | 0.043* |
Cl1 | 0.2927 (3) | 0.60226 (12) | 0.79794 (12) | 0.0598 (4) |
Cu1 | 0.500000 | 0.500000 | 0.500000 | 0.0462 (3) |
Cu2 | 0.000000 | 0.500000 | 1.000000 | 0.0629 (3) |
N1 | 0.7424 (6) | 0.6806 (3) | 0.4130 (3) | 0.0358 (7) |
N2 | 1.0652 (5) | 0.8573 (3) | 0.2514 (3) | 0.0273 (6) |
1 Source of materials
All chemicals were purchased from commercial sources and used as received. A mixture of CuCl2·6H2O (2.0 mL 0.10 mol/L CuCl2, 0.20 mmol), 2,4,6-tris(4-carboxyphenoxy)-1,3,5-triazine (0.0489 g, 0.10 mmol), 1,4-bis-(1H-imidazol-1-yl)benzene (1,4-bis-(1H-imidazol-1-yl)benzene is abbreviated as bib, 0.0211 g, 0.10 mmol), NaOH (2.0 mL 0.10 mol L−1 NaOH, 0.20 mmol), and H2O/ethanol (4.0 mL/3.0 mL) was added to a 25 mL Teflon-lined stainless steel reactor and heated at 413 K for 4 days. After cooling to room temperature at a rate of 283 K h−1, light-yellow block-shaped crystals of I were collected by filtration, washed with anhydrous ethanol and dried in air. Phase pure crystals were obtained by manual separation (Yield: 16.3 mg ca. 40 % based on 1,4-bis-(1H-imidazol-1-yl)benzene). Anal. Calc. for I: C12H10Cl2Cu2N4 (%) (Mr = 408.22): C, 35.28; H, 2.45; N, 13.72. Found: C, 35.30; H, 2.43; N, 13.71. (CCDC number 2359241).
2 Experimental details
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018) empirical absorption correction was done using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. 1 Using Olex2, 2 the structure was solved with the ShelXT 3 structure solution program and refined with the ShelXL 4 refinement package. Carbon-bound hydrogen atoms were placed in calculated positions (d = 0.93 Å) for CH and were included in the refinement in the riding model approximation, with U iso(H) set to 1.2U eq(C) for –CH. The structure was examined using the ADDSYM subroutine of PLATON 5 to ensure that no additional symmetry could be applied to the models.
3 Comment
Coordination with nitrogen-containing heterocyclic ligands, represent a type of metal-ligand coordination compounds in which the metal centers are interconnected by organic linkers to display a variety of infinite supramolecular networks. 6 The rational assembly of coordination polymers from organic ligands and metal ions is currently of significant interest due to their interesting topologies and applications. 7 – 11 One of the most fruitful choices consists in making good use of imidazole and its derivatives, which have attracted great attentions due to their abilities to construct the structures with special topologies, and significant progress has been achieved in the aspect of coordination assemblies based on bis(imidazole) derivatives with different metal centers other than Cu element. The reactions of Cu salts with diversified imidazole-containing flexible ligand have afforded various coordination networks. 12 – 16 Cu(I) coordination compounds comprised of imidazole-containing ligands have been reported scarcely. 17 , 18
In this study, we seek to use 2,4,6-tris(4-carboxyphenoxy)-1,3,5-triazine and 1,4-bis-(1H-imidazol-1-yl)benzene, as organic ligands for Cu centers. Unfortunately, these combinations led unexpectedly to a Cu(I) coordination polymer, {[Cubib][CuCl2]} n (I), which has been synthesized by hydrothermal methods and characterized by single-crystal X-ray diffraction and elemental analysis. The single-crystal X-ray diffraction analysis reveals that I is an one-dimensional polymer. The asymmetric unit of I consists of a half-molecule of the formula [Cu(bib)][CuCl2] with two half Cu(I) cations, a Cl− anion, and half of a neutral auxiliary bib ligand (Figure 1a). Notably, the entire structure exhibits electrical neutrality, contains a crystallographically independent [Cu(bib)]+ cation and a crystallographically individual [CuCl2]− anion, respectively. The Cu1 site is included in the centrosymmetrical [Cu(bib)]+ moiety, and the Cu2 position involved in the centrosymmetric [Cu(bib)]+ unit. Both of them have an identical two-coordinated linear geometry and are coordinated to two symmetry related Cl− for Cu1 and two N-donors from two symmetry operation bib ligands for Cu2, and were located at the centre of symmetry. The bond lengths of Cu2–Cl1 [Cu2–Cl ii = 2.1046(12) Å, symmetry code: ii −x, 1 − y, 2 − z] and Cu1–N1 [Cu1–N1 iii = 1.869(3) Å, symmetry code: iii 1 − x, 1 − y, 1 − z] are 2.1046(12) and 1.869(3) Å, and the both bond angles of Cl1–Cu2–Cl1 ii and N1–Cu1–N1 iii are 180°, which are in agreement with those in reported Cu(I) complexes. 8 The above mentioned bond lengths, bond angles, and coordination numbers reflect the essential characteristics of monovalent copper(I), rather than divalent copper(II) in I. The symmetry-related bib ligands bond to two Cu+ cations with a normal μ 2-bridge coordination fashion by the upside-down fashion through their N-atoms, resulting in a substructural block [Cu(bib)]+. These neighboring [Cu(bib)]+ are further interconnected through the μ 2-bib bridge to form an one-dimensional infinite framework with a Cu⋯Cu separation of 13.23(4) Å.
![Figure 1:
The cation [Cu(bib)]+ and the anion [CuCl2]− interaction in I, and further assembled to a two-dimensional layer structure with the symmetry-related hydrogen bond C–H⋯Cl. (a) The structure of I, showing the atom numbering scheme l (symmetry codes: i 3 − x, 2 − y, −z; ii −x, 1 − y, 2 − z); (b) view of the 2D C–H⋯Cl hydrogen bonded framework in I. The dashed line shows the inter-molecular C–H⋯Cl hydrogen bond.](/document/doi/10.1515/ncrs-2024-0175/asset/graphic/j_ncrs-2024-0175_fig_001.jpg)
The cation [Cu(bib)]+ and the anion [CuCl2]− interaction in I, and further assembled to a two-dimensional layer structure with the symmetry-related hydrogen bond C–H⋯Cl. (a) The structure of I, showing the atom numbering scheme l (symmetry codes: i 3 − x, 2 − y, −z; ii −x, 1 − y, 2 − z); (b) view of the 2D C–H⋯Cl hydrogen bonded framework in I. The dashed line shows the inter-molecular C–H⋯Cl hydrogen bond.
In the crystal of (I), all potential hydrogen bond acceptors and donors participate in charge-assisted hydrogen bonding interactions. The cations [Cu(bib)]+ and anions [CuCl2]− associate about a 2-fold axis via phenyl–C–H⋯Cl hydrogen bonds [C1–H1⋯Cl1 iii : H1⋯Cl1 iii = 2.79(9) Å, C1⋯Cl1 iii = 3.52(4) Å with angle at H1 = 135(2)° and C2–H2⋯Cl1: H1⋯Cl1 = 2.83(6) Å, C2⋯Cl1 = 3.52(9) Å with angle at H2 = 132(3)° for symmetry operation (iii): 1 − x, 1 − y, 1 − z] leading to two edge-sharing (–N1–Cu–N1 iii ) eight-membered {Cl1⋯H2–C2–N1–Cu1–N1 iii –C1 iii –H1 iii ⋯Cl1} and {Cl1 iii ⋯H1–C1–N1–Cu1–N1 iii –C2 iii –H2 iii ⋯Cl1 iii } synthons. The bond angle of C1–H1⋯Cl1 iii and C2–H2⋯Cl1 are 135(2)° and 132(3)°, which exceed the preferred minimum hydrogen bond angle of 110°; and the distances C1⋯Cl1 iii and C2⋯Cl1 are 3.52(4) Å and 3.52(9) Å, which are almost equal to the sum of the van der Waals radii of C and Cl (3.52 Å). 19 Therefore, it belongs to a strong C–H⋯Cl hydrogen bond, compared with the reported literature. 20 , 21 Two [CuCl2]− anions and two bib ligands are connected with four C–H⋯Cl hydrogen bonds, resulting in a edge-sharing (Cl–Cu–Cl) 28-membered oversize ring (Figure 1b). These 8- and 28-membered hydrogen bonded rings comprise alternating reversed linkers among the cations [Cu(bib)]+ and the cations stacked along the b-axis, constructing a two-dimensional framework. Each [Cu(bib)]+ cation links four [CuCl2]− anions with two pairs of inverse centrosymmetric C–H⋯Cl as a hydrogen-bonded substructural unit [H1/H2⋯Cl–Cu–Cl⋯H1/H2] (Figure 1b), which is further extended by bib ligands. From the topological point of view, each [Cu(bib)]+ cation can be considered to act as a 4-connected node, and each [CuCl2]− anion links 4 [Cu(bib)]+ cations, which can be considered to a linker in I. Interestingly, the 2D Cu(I)-based hydrogen-bonded organic frameworks can be topologically simplified as a 4-connected unnodal sql net with a Schläfli symbol {44·62} as analyzed with the TOPOS 4.0 program. 22
In addition, the complex has π⋯π stacking interaction (Cg1/Cg2 iv , Cg1/Cg2 v , Cg2/Cg1 vi , Cg2/Cg1 v , symmetry codes: iv −1 + x, y, z; v 2 − x, 2 − y, −z; vi 1 + x, y, z) between the imidazole ring (5-membered ring, Cg1: N1/C1/N2/C3/C2) and the phenyl ring (6-membered ring, Cg2: C4/C5/C6 i /C4 i /C5 i /C6) related to the bib ligands. The dihedral angles between the Cg1/Cg2 iv or Cg1/Cg2 v or Cg2/Cg1 vi or Cg2/Cg1 v is 1.38(18)°, with a centroid-to-centroid distance of 3.802(2) Å, and a perpendicular distance of 3.4207(15) or 3.4580(13) Å. Furthermore, a meat l − π interaction (Cu1⋯cg1 vi or Cu1⋯cg1 vii , symmetry code: vii 2 − x, 1 − y, 1 − z) exists between the Cu1 and the flanking imidazole ring of bib ligands. The dihedral angle (β) between the Cu1/Cg1 vi or Cu1/Cg1 vii is 20.45(18)°, with a centroid-to-centroid (Cu1⋯cg1 vi or Cu1⋯cg1 vii ) distance of 3.802(2) Å, and a perpendicular distance of 3.26(4) Å. Thus, through hydrogen bonds C–H⋯Cl, and π⋯π as well as with Cu⋯π interactions, the [Cu(bib)]+ and [CuCl2]− in I, is expanded into a stable three-dimensional supramolecular architecture.
Funding source: Guangxi Key Laboratory of Green Chemical Materials and Safety Technology, Beibu Gulf University
Award Identifier / Grant number: (Grant No. 2023ZZKT01)
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Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Research funding: This research was funded by the Guangxi Key Laboratory of Green Chemical Materials and Safety Technology, Beibu Gulf University (Grant No. 2023ZZKT01).
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- The crystal structure of methyl ((4-aminobenzyl)sulfonyl)-d-prolinate, C13H18N2O4S
- The crystal structure of dichlorido-(N-isopropyl-N-(pyridin-2-ylmethyl)propan-2-amine-κ 2 N, N′)palladium(II), C12H20N2PdCl2
- Crystal structure of poly[(μ 2-5-hydroxyisophthalato-κ4 O,O′:O″,O‴)-(μ 2-1,4-bis(2-methylimidazolyl)-1-butene-N:N′)nickel(II)], C20H20NiN4O5
- The crystal structure of {hexakis(1-methyl-1H-imidazole-κ 1 N)cobalt(II)}(μ 2-oxido)-hexaoxido-dimolybdenum(VI)— 1-methyl-1H-imidazole (1/2), C32H48CoMo2N16O7
- Synthesis, crystal structure and nonlinear optical property of 1-((propan-2-ylideneamino)oxy)propan-2-yl-4-methylbenzenesulfonate, C13H19O4NS
- The crystal structure of N,N-(ethane-1,1-diyl)dibenzamide, C16H16N2O2
- Crystal structure of 1-(4-bromophenyl)-3-(diphenylphosphoryl)-3-hydroxypropan-1-one, C21H18BrO3P
- The crystal structure of fac-tricarbonyl(bis(3,5-dimethyl-4H-pyrazole)-κ1 N)-((nitrato)-κ1 O)-rhenium(I)— 3,5-dimethyl-4H-pyrazole(1/1), C18H23N7O6Re
- The crystal structure of 4′-chloro-griseofulvin: (2S,6′R)-4′,7-dichloro-4,6-dimethoxy-6′-methyl-3H-spiro[benzofuran-2,1′-cyclohexan]-3′-ene-2′,3-dione, C16H14Cl2O5
- Crystal structure of tetraethylammonium bicarbonate–1-(diaminomethylene)thiourea(1/1)
- Crystal structure of 1-cyclohexyl-4-p-tolyl-1,4-dihydropyridine-3,5-dicarboxylic acid dimethyl ester, C22H27NO4
- The crystal structure of catena-poly(μ2-1,4-bis-(1H-imidazol-1-yl)benzene-copper(I)) dichloridocopper(I), {[CuC12H10N4]+[CuCl2]−} n
- The crystal structure of propane-1-aminium-2-carbamate, C4H10N2O2
- Crystal structure of 5,6,3′,4′,5′-pentamethoxy-flavone dihydrate, C20H24O9
- Crystal structure of (E)-N-(2-bromophenyl)-4-(4-(3,5-dimethoxystyryl)phenoxy)pyrimidin-2-amine, C26H22BrN3O3
- Crystal structure of methyl (3R)-1-(2-bromo-4-fluorophenyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate hydrochloride hydrate, C19H19BrClFN2O3
- The crystal structure of 1-(2-chlorophenyl)-3-(p-tolyl)urea, C14H13ClN2O
- The crystal structure of 1-cyclohexyl-3-(p-tolyl)urea, C14H20N2O
- Crystal structure of ((benzyl(hydroxy)-amino)(4-chlorophenyl)methyl)-diphenylphosphine oxide, C26H23ClNO2P
- The crystal structure of ethyl 3-(1-methyl-1H-indole-2-carbonyl)-2-phenylquinoline-4-carboxylate, C28H22N2O3
- The crystal structure of 1,4-bis(1H-imidazol-3-ium-1-yl)benzene dinitrate, C12H12N4 2+·2(NO3 −)
- Crystal structure of tris(hexafluoroacetylacetonato-κ2O,O′) bis(triphenylphosphine oxide-κ1O)samarium(III), C51H33F18O8P2Sm
- Crystal structure of 1-(4-(dimethylamino)phenyl)-2,3-bis(diphenylphosphoryl)propan-1-one, C35H33NO3P2
- Crystal structure of diaqua[bis(μ 2-pyridine 2,6-dicarboxylato) bismuth(III) potassium(I)], C14H10BiKN2O10
- Crystal structure of (R)-N, N ′-dimethyl-[1, 1′-binaphthalene]-2, 2′-diamine, C22H20N2
- Crystal structure of 1-phenyl-4-(2-furoyl)-3-furyl-1H-pyrazol-5-ol, C18H12N2O4
- Crystal structure of bis(14,34-dimethyl[11,21:23,31-terphenyl]-22-yl)diselane, C40H34Se2
Articles in the same Issue
- Frontmatter
- New Crystal Structures
- The crystal structure of hexaquazinc(II) poly[hexakis(μ2-4-methylbenzenesulfinato-κ2O:O′) dizinc(II)]
- The crystal structure of poly[((2-(4,5-dihydro-1H-pyrazol-4-yl)-1,3-dioxoisoindoline-5-carbonyl)oxy)(1-(dimethylamino)ethoxy)zinc[II]], C16H14ZnN4O5
- Crystal structure of bis[(triaqua-4-iodopyridine-2,6-dicarboxylato-κ 3 N,O,O ″)cobalt(II)] trihydrate, C14H22N2O17I2Co2
- Crystal structure of bis(methanol-κO)-bis(nitrato-kO)-bis(1-((2-(2-chloro-4-(4-chlorophenoxy)phenyl)-4-methyl-1,3-dioxolan-2-yl)methyl)-1H-1,2,4-triazole-κN)cadmium(II), C40H42O14N8Cl4Cd
- Crystal structure of poly[μ2-dichlorido-(μ2-1-[(2,4-dimethyl-1H-triazole-1-yl)methyl]-1H-benzotriazole-κ2N:N′)cadmium(II)], C11H12CdN6Cl2
- The crystal structure of (3aS, 4R, 7S, 7aR)-hexahydro-4, 7-methano-1H-isoindole-1, 3-(2H)-dione, C9H11NO2
- The crystal structure of N-(acridin-9-yl)-4-chloro-N-(4-chloro-butanoyl) butanamide, C21H20Cl2N2O2
- Crystal structure of 3,3′-dimethoxy-4,4′-oxy-di-benzaldehyde, C16H14O5
- The crystal structure of tetrakis(μ 2-2-amino-3,5-dibromobenzoate-κ 2 O:O′)-octakis(n-butyl-κ 1 C)-bis(μ 3-oxo)tetratin(II), C60H92Br8N4O10Sn4
- Crystal structure of methyl-1-(naphthalen-1-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b] indole-3-carboxylate, C23H20N2O2
- Crystal structure of tetrapropylammonium bicarbonate–1-(diaminomethylene)thiourea(1/1)
- Crystal structure of 6,6′-((1E,1′E)-((2-phenylpyrimidine-4,6-diyl)bis(hydrazin-2-yl-1-ylidene))bis(methaneylylidene))bis(2-methoxyphenol)monohydrate, C26H26N6O5
- Crystal structure of bis(N,N,N-trimethylbutanaminium) tetrathiotungstate(VI), (BuMe3N)2[WS4]
- The crystal structure of 2,3,9-triphenyl-9-(2-phenylbenzofuran-3-yl)-9H-9λ 5-benzo[4,5][1,2]oxaphospholo[2,3-b][1,2,5]oxadiphosphole 2-oxide, C40H28O4P2
- Crystal structure of 1–methyl-3-propyl-4-nitro-1H-pyrazole-5-carboxylic acid, C8H11N3O4
- Crystal structure of N-(benzo[d]thiazol-2-yl)-2-chloroacetamide, C9H7ClN2OS
- The crystal structure of N-benzyl-2-chloro-N-(p-tolyl) acetamide, C16H16ClNO
- Crystal structure of 3,4-dimethoxybenzyl 2-(6-methoxynaphthalen-2-yl)propanoate, C23H24O5
- Crystal structure of 2,5-bis(2,5-dimethoxybenzyl)-3,6-dimethyl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione, C26H28N2O6
- Crystal structure of poly[(μ3-5-bromoisophthalato-κ4 O,O′ :O″,O‴)-(μ2-1,2-bis(1,2,4-triazole-1-ylmethyl)benzene-κ2 N:N′)cobalt(II)], C20H15BrCoN6O4
- The crystal structure of bis(2-(piperidin-1-ium-4-yl)-1Hbenzo[d]imidazol-3-ium) dihydrogen decavanadate, C24H36N6O28V10
- Crystal structure of diaqua-bis(1-(3-carboxyphenyl)-5-methyl-4-oxo-1,4-dihydropyridazine3-carboxylato-O,O′)-cobalt(ii)dihydrate, C26H36N4O14Co
- Crystal structure of poly[(μ2-5-bromoisophthalato-κ4 O,O ′:O ″,O ‴)-(μ2-1,4-bis(2-methylimidazol-1-ylmethyl)benzene-N:N′)cadmium(II)], C24H21BrCdN4O4
- The crystal structure of dimethyl 8-(3-methoxy-2-(methoxycarbonyl)-3-oxoprop-1-en-1-yl)-4-methyl-1-(p-tolyl)-1,3a,4,8b-tetrahydro-3H-furo[3,4-b]indole-3,3-dicarboxylate. C28H29NO9
- Crystal structure of (3R)-1-(3,5-dimethoxyphenyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate chloride, C21H23ClN2O4
- Synthesis and crystal structure of 3-(4,5-dihydroisoxazol-3-yl)-2-methyl-4-(methylsulfonyl)benzoic acid, C12H13NO5S
- The crystal structure of hexaaquamagnesium(II) bis-3-(1,2,3,4-tetrahydrobenzo[4,5]imidazo[1,2-α]pyridin-1-yl)benzoate, C36H42N4O10Mg
- Crystal structure of 4-formyl-2-methoxyphenyl 2-acetoxybenzoate, C17H14O6
- Crystal structure of poly[octakis(μ-oxido)-tris(μ-1,1′-[[1,1′-biphenyl]-4,4′-diylbis(methylene)]bis(1H-imidazole))-tetrakis(oxido)-tetra-vanadium-dimanganese(II)dihydrate], C30H29MnN6O7V2
- Crystal structure of 4,8a-bis(4-chlorophenyl)-1,5,6-tris(4-fluorobenzyl)-1,4,4a,4b,5,6,8a,8b-octahydrocyclobuta[1,2-b:3,4-c′]dipyridine-3,8-dicarbonitrile, C45H33Cl2F3N4
- Crystal structure of benzo[d][1,3]dioxol-5-ylmethyl 2-(6-methoxynaphthalen-2-yl)propanoate, C22H20O5
- Crystal structure of N-benzoyl-N-phenylhydroxylaminato-dicarbonylrhodium(I), [Rh(BNA)CO2]
- The crystal structure of N-(2-((2-methoxynaphthalen-1-yl)ethynyl)phenyl)-4-methylbenzenesulfonamide, C26H21NO3S
- The crystal structure of methyl ((4-aminobenzyl)sulfonyl)-d-prolinate, C13H18N2O4S
- The crystal structure of dichlorido-(N-isopropyl-N-(pyridin-2-ylmethyl)propan-2-amine-κ 2 N, N′)palladium(II), C12H20N2PdCl2
- Crystal structure of poly[(μ 2-5-hydroxyisophthalato-κ4 O,O′:O″,O‴)-(μ 2-1,4-bis(2-methylimidazolyl)-1-butene-N:N′)nickel(II)], C20H20NiN4O5
- The crystal structure of {hexakis(1-methyl-1H-imidazole-κ 1 N)cobalt(II)}(μ 2-oxido)-hexaoxido-dimolybdenum(VI)— 1-methyl-1H-imidazole (1/2), C32H48CoMo2N16O7
- Synthesis, crystal structure and nonlinear optical property of 1-((propan-2-ylideneamino)oxy)propan-2-yl-4-methylbenzenesulfonate, C13H19O4NS
- The crystal structure of N,N-(ethane-1,1-diyl)dibenzamide, C16H16N2O2
- Crystal structure of 1-(4-bromophenyl)-3-(diphenylphosphoryl)-3-hydroxypropan-1-one, C21H18BrO3P
- The crystal structure of fac-tricarbonyl(bis(3,5-dimethyl-4H-pyrazole)-κ1 N)-((nitrato)-κ1 O)-rhenium(I)— 3,5-dimethyl-4H-pyrazole(1/1), C18H23N7O6Re
- The crystal structure of 4′-chloro-griseofulvin: (2S,6′R)-4′,7-dichloro-4,6-dimethoxy-6′-methyl-3H-spiro[benzofuran-2,1′-cyclohexan]-3′-ene-2′,3-dione, C16H14Cl2O5
- Crystal structure of tetraethylammonium bicarbonate–1-(diaminomethylene)thiourea(1/1)
- Crystal structure of 1-cyclohexyl-4-p-tolyl-1,4-dihydropyridine-3,5-dicarboxylic acid dimethyl ester, C22H27NO4
- The crystal structure of catena-poly(μ2-1,4-bis-(1H-imidazol-1-yl)benzene-copper(I)) dichloridocopper(I), {[CuC12H10N4]+[CuCl2]−} n
- The crystal structure of propane-1-aminium-2-carbamate, C4H10N2O2
- Crystal structure of 5,6,3′,4′,5′-pentamethoxy-flavone dihydrate, C20H24O9
- Crystal structure of (E)-N-(2-bromophenyl)-4-(4-(3,5-dimethoxystyryl)phenoxy)pyrimidin-2-amine, C26H22BrN3O3
- Crystal structure of methyl (3R)-1-(2-bromo-4-fluorophenyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate hydrochloride hydrate, C19H19BrClFN2O3
- The crystal structure of 1-(2-chlorophenyl)-3-(p-tolyl)urea, C14H13ClN2O
- The crystal structure of 1-cyclohexyl-3-(p-tolyl)urea, C14H20N2O
- Crystal structure of ((benzyl(hydroxy)-amino)(4-chlorophenyl)methyl)-diphenylphosphine oxide, C26H23ClNO2P
- The crystal structure of ethyl 3-(1-methyl-1H-indole-2-carbonyl)-2-phenylquinoline-4-carboxylate, C28H22N2O3
- The crystal structure of 1,4-bis(1H-imidazol-3-ium-1-yl)benzene dinitrate, C12H12N4 2+·2(NO3 −)
- Crystal structure of tris(hexafluoroacetylacetonato-κ2O,O′) bis(triphenylphosphine oxide-κ1O)samarium(III), C51H33F18O8P2Sm
- Crystal structure of 1-(4-(dimethylamino)phenyl)-2,3-bis(diphenylphosphoryl)propan-1-one, C35H33NO3P2
- Crystal structure of diaqua[bis(μ 2-pyridine 2,6-dicarboxylato) bismuth(III) potassium(I)], C14H10BiKN2O10
- Crystal structure of (R)-N, N ′-dimethyl-[1, 1′-binaphthalene]-2, 2′-diamine, C22H20N2
- Crystal structure of 1-phenyl-4-(2-furoyl)-3-furyl-1H-pyrazol-5-ol, C18H12N2O4
- Crystal structure of bis(14,34-dimethyl[11,21:23,31-terphenyl]-22-yl)diselane, C40H34Se2