Home Physical Sciences Crystal structure of catena-poly[(μ2-4,4′-bipyridyl-κN,N′)-bis(O,O′-dimethyldithiophosphato-κS)-zinc(II)], {C14H20N2O4P2S4Zn}n
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Crystal structure of catena-poly[(μ2-4,4′-bipyridyl-κN,N′)-bis(O,O′-dimethyldithiophosphato-κS)-zinc(II)], {C14H20N2O4P2S4Zn}n

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Published/Copyright: March 26, 2019

Abstract

C14H20N2O4P2S4Zn, triclinic, P1̄ (no. 2), a = 8.0014(2) Å, b = 10.3376(2) Å, c = 14.2488(3) Å, α = 84.676(2)°, β = 76.042(2)°, γ = 79.752(2)°, V = 1124.01(4) Å3, Z = 2, Rgt(F) = 0.0265, wRref(F2) = 0.0655, T = 100(2) K.

CCDC no.: 1897161

The crystal structure is shown in the figure. Tables 1 and 2 contain details on crystal structure and measurement conditions and a list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal:Prism, colorless
Size:0.13 × 0.12 × 0.08 mm
Wavelength:Cu Kα radiation (1.54184 Å)
μ:6.54 mm−1
Diffractometer, scan mode:XtaLAB Synergy, ω-scans
θmax, completeness:67.1°, >99%
N(hkl)measured, N(hkl)unique, Rint:21867, 4014, 0.023
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 3854
N(param)refined:248
Programs:CrysAlisPRO [1], SHELX [2], [3], WinGX and ORTEP [4]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

AtomxyzUiso*/Ueq
Zn0.46343(3)0.27283(2)0.73472(2)0.01664(8)
P10.38164(7)0.59038(5)0.79734(4)0.01873(12)
P20.82244(7)0.05797(5)0.70454(4)0.01998(12)
S10.56722(6)0.43041(5)0.79876(3)0.01991(11)
S20.14367(7)0.57448(5)0.86223(5)0.03204(14)
S30.65819(7)0.14158(6)0.61888(4)0.02815(13)
S40.73109(7)0.07731(7)0.84130(4)0.03506(15)
O10.4511(2)0.70523(14)0.83702(11)0.0267(3)
O20.4066(2)0.63970(15)0.68607(10)0.0267(3)
O31.0025(2)0.11140(15)0.66932(11)0.0266(3)
O40.88684(19)−0.09007(14)0.67307(12)0.0272(3)
N10.3015(2)0.17093(16)0.83413(11)0.0173(3)
N20.2890(2)0.35794(15)0.64923(11)0.0162(3)
C10.4552(4)0.7019(3)0.93833(18)0.0393(6)
H1A0.4842720.7850010.9526540.059*
H1B0.5434630.6287650.9523080.059*
H1C0.3404890.6897120.9785530.059*
C20.2830(4)0.7433(3)0.65822(18)0.0397(6)
H2A0.2925960.7431870.5883440.059*
H2B0.3060030.8277590.6740270.059*
H2C0.1650780.7305070.6930500.059*
C31.0985(3)0.1029(2)0.56954(17)0.0334(5)
H3A1.2053020.1409990.5607940.050*
H3B1.0261770.1515650.5271900.050*
H3C1.1290090.0104060.5530210.050*
C40.7687(4)−0.1842(3)0.7003(2)0.0497(7)
H4A0.831707−0.2721140.6827630.075*
H4B0.673889−0.1602550.6661940.075*
H4C0.719966−0.1843850.7703010.075*
C50.2111(3)0.2216(2)0.91792(16)0.0275(5)
H50.2280560.3057210.9320740.033*
C60.0946(3)0.1569(2)0.98448(16)0.0278(5)
H60.0344250.1959881.0435730.033*
C70.0649(2)0.03512(19)0.96561(14)0.0167(4)
C80.1618(3)−0.0178(2)0.88001(17)0.0280(5)
H80.148929−0.1024230.8646010.034*
C90.2772(3)0.0519(2)0.81694(17)0.0275(5)
H90.3425250.0133250.7585060.033*
C100.3489(3)0.39310(19)0.55554(14)0.0187(4)
H100.4714600.3789640.5297880.022*
C110.2420(3)0.4485(2)0.49494(14)0.0186(4)
H110.2906620.4713500.4291100.022*
C120.0607(2)0.47097(18)0.53119(14)0.0151(4)
C13−0.0003(3)0.43506(19)0.62835(14)0.0187(4)
H13−0.1221040.4487580.6563020.022*
C140.1156(3)0.37956(19)0.68428(14)0.0188(4)
H140.0706560.3556660.7503860.023*

Source of material

The Zn[S2P(OMe)2]2 precursor was prepared in high yield from an in-situ reaction of Zn(NO3)2.4H2O (Alfa Aesar; 7.18 g, 0.05 mol), MeOH (Merck; 8.52 mL, 0.21 mol), P2S5 (Sigma-Aldrich; 11.71 g, 0.05 mol) and 50% w/w NaOH solution (Merck; 8.43 mL, 0.11 mol). The title compound was obtained by mixing the suspension of this precursor (0.50 g, 1.32 mmol) and 4,4′-bipyridine (Merck; 0.21 g, 1.34 mmol) in dimethylformamide (Merck; 5 mL), followed by stirring for 30 mins at 373 K. The solution was filtered and the filtrate was collected in a sample vial containing acetonitrile (Merck; 1 mL). Colorless blocks formed after one day. Yield: 0.38 g, (54%, based on Zn[S2P(OMe)2]2). M. pt (Biobase Automatic Melting Apparatus MP45): 418.85−420.95 K. IR (Bruker Vertex 70 V equipped with Platinum ATR from 400 to 80 cm−1, cm−1): 1172 (s) ν(C—O); 1008(s) ν(P—O); 664 (s) ν(P—S)asym; 526 (m) ν(P—S)sym.

Experimental details

The C-bound H atoms were geometrically placed (C—H = 0.95−0.98 Å) and refined as riding with Uiso(H) = 1.2−1.5Ueq(C). Owing to relatively high motion, the anisotropic displacement parameters for the C5—C9 atoms were constrained to be nearly isotropic.

Discussion

Through the agency of sulphur bridging, homoleptic zinc dithiophosphates, Zn[S2P(OR)2]2, are associated in the solid-state [5]. This mode of association invariably breaks down when potentially bidentate bridging molecules, e.g. 4,4′-bipyridine, are complexed with these species [6], forming Zn—N bonds instead. Systematic evaluations of co-crystallisation outcomes when Zn[S2P(OR)2]2 and bidentate donors have been conducted [7], [8]. These studies showed that steric influences were important in determining the ultimate structure, for example when R = bulky cyclohexyl, only binuclear species could be isolated when the bridging ligand was 4,4′-bipyridine, regardless of the stoichiometry of the reagents [8]. Even more striking was the observation of monodentate coordination when the potentially bridging ligand was 1,2-bis(2-pyridyl)ethene [7]. In the present study the crystal and molecular structures of {Zn[S2P(OMe)2]2(4,4′-bipyridine)}n are described, where R is a relatively small methyl group.

The asymmetric unit of the title structure, extended to show the full 4,4′-bipyridine molecules (each is disposed about a centre of inversion) is shown in the upper view of the Figure (70% displacement ellipsoids; symmetry operations i: − x, − y, 2 − z and ii: − x, 1–y, 1–z). The zinc(II) centre is coordinated by two monodentate dithiophosphate ligands [Zn—S1, S3 = 2.3019(5) and 2.3273(6) Å] and two nitrogen atoms derived from two bridging 4,4′-bipyridine ligands [Zn—N1, N2 = 2.0295(17) and 2.0951(16) Å]. The non-coordinating Zn⋯S2, S4 separations [3.9422(6) and 3.2307(7) Å] are too long to be considered bonding interactions. The distortions from a regular tetrahedral geometry for the resultant N2S2 donor set are relatively small with the angles ranging from 97.79(5)°, for N2—Zn—S3, to 118.10(2)°, for S1—Zn—S3. The monodentate mode of coordination of the dithiophosphate ligands is reflected in the significant disparity in the associated P—S bond lengths. Thus, the P—S bonds formed with the non-coordinating S2 and S4 atoms are significantly shorter than the bonds involving the coordinating S1 and S3 atoms [P1—S1, S2 = 2.0185(7) and 1.9342(7) Å; P2—S3, S4 = 2.0341(7) and 1.9248(7) Å].

As seen in the lower view of the Figure, the resulting one-dimensional coordination polymer has a zig-zag topology and is aligned along [0 1 2̄]. Besides the binuclear species mentioned above, there are two literature precedents for comparison. Thus, for each of {Zn[S2P(OR)2]2(4,4′-bipyridine)}n, i.e. R = Et [9] and R = iPr [10], zig-zag chains are observed as for the title structure. To a first approximation the pitch of each polymer is about the same, being 16.8 Å in the structure reported here, 16.4−17.5 Å for the R = Et species (for which there are two independent zinc atoms) and 15.9−16.1 Å for the R = iPr species (three independent zinc atoms).

In the crystal, pyridyl-C—H⋯S [C6—H6⋯S2iii = 2.82 Å, C6⋯S2iii = 3.654(2) Å with angle at H6 = 148° and C13—H13⋯S1iv = 2.83 Å, C13⋯S1iv = 3.723(2) Å with angle at H13 = 157° for symmetry operations iii: −x, 1 − y, 2 − z and iv: −1 + x, y, z] and methyl-C—H⋯π(pyridyl) [C3—H3a⋯Cg(N2,C10—C14)v = 2.85 Å, C3⋯Cg(N2,C10—C14)v = 3.436(2) Å with angle at H3a = 119° for symmetry operation v: 1 + x, y, z] interactions link the chains into a three-dimensional architecture.

Acknowledgements

Sunway University is thanked for support of crystal engineering studies of metal 1,1-dithiolates.

References

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Received: 2019-01-28
Accepted: 2019-02-14
Published Online: 2019-03-26
Published in Print: 2019-06-26

© 2019 Yee Seng Tan et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 Public License.

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  65. Crystal structure of 1,1′-dibenzyl-3,3′-dicyano-1,1′,4,4′-tetrahydro-4,4′-bipyridine, C26H22N4
  66. Crystal structure of (2-bromobenzyl)((1-bromonaphthalen-2-yl)methyl)sulfane, C18H14Br2S
  67. Crystal structure of 2-(4-ammoniocyclohexyl)-3-(pyridin-2-yl)imidazo[1,5-a]pyridin-2-ium 2-[(2-carboxylatophenyl)disulfanyl]benzoate dihydrate, [C18H22N4][C14H8O4S2] ⋅ 2H2O
  68. Crystal structure of (E)-N-((3R,5S,10S, 13S,14S,17S)-17-((S)-1-(dimethylamino)ethyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl)-2-methylbut-2-enamide – water – methanol (1/1/1), C29H54N2O3
  69. Crystal structure of methyl 2-(4-(3-(2,4-difluorophenyl)pyrazolo[1,5-a]pyrimidin-6-yl)phenyl)acetate, C21H15F2N3O2
  70. Crystal structure of poly[triaqua-(μ4-benzene-1,3,5-tricarboxylato-κ5O1,O2:O3:O4:O5)-(μ2-5-(3-pyridyl)tetrazolato-κ2N1:N3)dizinc(II)], C15H13N5O9Zn2
  71. Crystal structure of N-(3-methylphenyl)(propan-2-yloxy)carbothioamide, C11H15NOS
  72. Crystal structure of poly[(μ2-1,3-bis(imidazol-1-ylmethyl)benzene-κ2N:N′)(nitrato-κ1O)cadmium(II)] — water (2/1), C28H32CdN10O7
  73. Crystal structure of 4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione, C8H7N3S
  74. Crystal structure of benzyltrichloridobis(1H-pyrazole-κ2N)tin(IV), C13H15Cl3N4Sn
  75. Crystal structure of chlorido-4-fluorobenzyl-bis(2-methylquinolin-8-olato-κ2N,O)tin(IV), C27H22ClFN2O2Sn
  76. Crystal structure of tetrakis(O,O′-diisopropyldithiophosphato-κ2S,S′)-(μ2-1,2-bis(4-pyridylmethylene)hydrazine-κ2N:N′)zinc(II), C36H66N4O8P4S8Zn2
  77. Crystal structure of tetrabutylammonium 4,4-oxydibenzoate – boric acid – water (1/2/6) C46H98B2N2O17
  78. Redetermination of the crystal structure of catena-poly[[tribenzyltin(IV)]-(μ2-pyridine-4-carboxylato-κ2N:O)], C27H25NO2Sn
  79. The synthysis and crystal structure of cyclohexyl 5-amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-((trifluoromethyl)sulfinyl)-1H-pyrazole-3-carboxylate, C18H15N3Cl2F6O3S
  80. The crystal structure of 5,7-bis(2-hydroxyethoxy)-2-phenyl-4H-chromen-4-one, C19H18O6
  81. Synthesis and crystal structure of (±)-Ethyl 5′-(difluoromethyl)-2-oxo-4′,5′-dihydrospiro[indoline-3,3′-pyrazole]-4′-carboxylate, C14H13F2N3O3
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