Home Crystal structure of chlorido-methanol-(N-(2-(oxy)-3-methoxybenzylidene)pyridine-4-carbohydrazonato-κ3O,N,O′)-(4-methylphenyl)methyl-tin(IV), C23H24ClN3O4Sn
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Crystal structure of chlorido-methanol-(N-(2-(oxy)-3-methoxybenzylidene)pyridine-4-carbohydrazonato-κ3O,N,O′)-(4-methylphenyl)methyl-tin(IV), C23H24ClN3O4Sn

  • Lee See Mun , Nathan R. Halcovitch and Edward R.T. Tiekink
Published/Copyright: April 5, 2018
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Zeitschrift für Kristallographie - New Crystal Structures
From the journal Zeitschrift für Kristallographie - New Crystal Structures Volume 233 Issue 3

Abstract

C23H24ClN3O4Sn, triclinic, P1̄ (no. 2), a = 9.7536(2) Å, b = 10.0755(2) Å, c = 12.4215(3) Å, α = 84.928(2)°, β = 72.544(2)°, γ = 74.382(2)°, V = 1121.44(4) Å3, Z = 2, Rgt(F) = 0.021, wRref(F2) = 0.054, T = 100(2) K.

CCDC no.:: 1830645

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

Table 1:

Data collection and handling.

Crystal:Orange block
Size:0.23 × 0.19 × 0.15 mm
Wavelength:Cu Kα radiation (1.54184 Å)
μ:104.6 cm−1
Diffractometer, scan mode:SuperNova Dual, ω scans
2θmax, completeness:148.2°, 98.8%
N(hkl)measured, N(hkl)unique, Rint:39556, 4504, 0.027
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 4499
N(param)refined:295
Programs:Rigaku programs [1], SHELX [2, 3] , ORTEP [4]
Table 2:

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

AtomxyzUiso*/Ueq
Sn0.29355(2)0.70396(2)0.25825(2)0.01324(5)
Cl10.55846(6)0.69779(5)0.18538(4)0.02092(11)
O10.32651(17)0.51058(15)0.32588(13)0.0185(3)
O20.24035(17)0.86474(14)0.14459(12)0.0160(3)
O30.36102(17)0.30280(15)0.46163(13)0.0195(3)
O40.05359(18)0.70959(17)0.30173(14)0.0236(3)
H4O0.001(3)0.758(3)0.264(2)0.035*
N10.30655(19)0.60406(18)0.10720(15)0.0144(3)
N20.27872(19)0.69127(18)0.01851(15)0.0157(3)
N30.1147(2)1.1219(2)−0.19068(16)0.0208(4)
C10.3550(2)0.3883(2)0.28095(18)0.0152(4)
C20.3760(2)0.2713(2)0.35355(18)0.0161(4)
C30.4073(2)0.1397(2)0.3134(2)0.0197(4)
H30.42260.06290.36250.024*
C40.4168(2)0.1177(2)0.2013(2)0.0210(4)
H40.43820.02670.17470.025*
C50.3951(2)0.2283(2)0.13011(19)0.0185(4)
H50.40110.21360.05410.022*
C60.3636(2)0.3647(2)0.16896(18)0.0155(4)
C70.3377(2)0.4729(2)0.08839(18)0.0150(4)
H70.34380.44630.01520.018*
C80.2469(2)0.8205(2)0.04751(17)0.0147(4)
C90.2094(2)0.9257(2)−0.03801(18)0.0155(4)
C100.1645(2)1.0650(2)−0.01213(19)0.0181(4)
H100.16521.09530.05790.022*
C110.1187(2)1.1589(2)−0.0910(2)0.0210(4)
H110.08881.2542−0.07340.025*
C120.1630(3)0.9873(2)−0.21647(19)0.0218(5)
H120.16330.9600−0.28780.026*
C130.2123(2)0.8867(2)−0.14371(19)0.0204(4)
H130.24760.7926−0.16540.024*
C140.3818(3)0.1893(2)0.5372(2)0.0276(5)
H14A0.30790.13750.54320.041*
H14B0.36980.22350.61180.041*
H14C0.48190.12890.50860.041*
C15−0.0154(3)0.6146(3)0.3713(3)0.0373(6)
H15A0.05100.52170.35720.056*
H15B−0.10830.61750.35470.056*
H15C−0.03700.63820.45060.056*
C160.2458(3)0.8323(2)0.40043(17)0.0176(4)
H16A0.33620.86190.39640.021*
H16B0.16740.91620.39430.021*
C170.1961(2)0.7673(2)0.51367(18)0.0169(4)
C180.2971(2)0.6724(2)0.56028(19)0.0200(4)
H180.39920.64660.51850.024*
C190.2510(3)0.6155(2)0.6658(2)0.0226(5)
H190.32170.55110.69550.027*
C200.1018(3)0.6511(2)0.72981(19)0.0229(5)
C210.0010(3)0.7445(2)0.6832(2)0.0238(5)
H21−0.10110.76980.72490.029*
C220.0473(2)0.8013(2)0.57677(19)0.0207(4)
H22−0.02370.86450.54660.025*
C230.0524(3)0.5874(3)0.8451(2)0.0341(6)
H23A−0.05340.62920.88000.051*
H23B0.11020.60380.89260.051*
H23C0.06850.48800.83750.051*

Source of materials

The N/O-ligand was prepared from the reaction of a 1:1 molar ratio of isonicotinic hydrazide (Aldrich; 0.14 g, 1 mmol) with o-vanillin (Fluka; 0.15 g, 1 mmol) in methanolic solution. The obtained ligand was purified and used in the preparation of the title compound. Triethylamine (Merck; 0.14 mL, 1 mmol) was added to a methanolic solution (5 mL) of the aforementioned ligand (0.28 g, 1 mmol) and stirred. After 0.5 h, di(p-methylbenzyl)tin dichloride ([5]; 0.40 g, 1 mmol) was added to the reaction mixture. The mixture was refluxed for 3.5 h. Dark-red precipitates were obtained upon slow evaporation of the solution. These were washed with n-hexane and recrystallized from its methanol solution. Orange crystals of the title compound were obtained from the slow evaporation of the solution.

Yield: 55%; M.p.: 453 K. IR (KBr, cm−1): 1618, 1592 (s, C=N—N=C), 580 (w, Sn—O), 477 (w, Sn—N). 1H NMR (d6-DMSO): 1.24 (s, 3H, CCH3); 2.12 (s, 2H, –CH2–); 3.17 (s, 3H, methanol-CH3); 3.71 (s, 1H, –OH); 3.85 (s, 3H, OCH3); 6.72–6.80 (m, 1H, aromatic H); 6.94–7.18 (m, 4H, aromatic H); 7.24–7.36 (m, 2H, aromatic H); 7.82–7.95 (m, 2H, NCH2CH2−); 8.72–8.80 (m, 2H, NCH2CH2−); 8.91 (s, 1H, HC=N).

Experimental details

The carbon-bound hydrogen atoms were geometrically placed (C—H = 0.95–0.99 Å) and refined as riding with Uiso(H) = 1.2–1.5 Ueq(C). The O-bound H-atom was located in a difference Fourier map but was refined with a distance restraint of O—H = 0.84 ± 0.01 Å, and with Uiso(H) set to 1.5 Ueq(O). Owing to poor agreement, the (6̅ 5 7) reflection was omitted from the final cycles of refinement.

Comment

In the field of bioinorganic chemistry, many hydrazone ligands and their metal complexes have been screened for biological activity and among these, organotin(IV) hydrazone compounds are of significant interest for their potential anti-tumour and anti-microbial activities [6], [7], [8]. It was in this context that the title compound, BnSn(L)Cl[O(H)Me], where LH2 is N-[(1Z)-(2-hydroxy-3-methoxyphenyl)methylidene]pyridine-4-carbohydrazonic acid, was characterized.

As indicated in the figure (70% displacement ellipsoids), the tin(IV) centre is octahedrally coordinated within a CClNO3 donor set defined by the N,O,O′ atoms of the dinegative, tridentate Schiff base ligand, the chloride atom, the benzyl-carbon atom and an oxygen atom derived from a methanol molecule. The chlorido ligand occupies a position trans to the methanol-oxygen atom. The mode of coordination of the Schiff base ligand leads to the formation of five- and six-membered chelate rings. The SnON2C ring is strictly planar with a r.m.s. deviation of 0.0091 Å, whereas the SnONC3ring is less planar with a r.m.s. of 0.0276 Å; the maximum deviations above and below the plane are found for the Sn [0.0374(8) Å] and N1 [0.0339(12) Å] atoms, respectively. While to a first approximation the entire Schiff base ligand is planar, there is a twist of 9.57(7)° between the pendant 4-pyridyl ring and the best plane through the remaining C8N2O2 atoms [r.m.s. deviation = 0.0323 Å]. The phenyl ring of the tin-bound organo substituent is folded towards the methoxyphenyl ring and is approximately orthogonal to the best plane through the C8N2O2 atoms, forming a dihedral angle of 70.21(5)°.

Schiff base ligands related to that in the title compound have attracted the interest of the crystal engineering community owing to the possibilty of secondary interactions between the pendant pyridyl-N atom and other Lewis acid centres [9, 10] . In the present case, this does not occur as the tin(IV) atom is coordinated to a methanol-O atom instead. However, the pyridyl-N atom accepts a conventional methanol-O—H⋯N(pyridyl) hydrogen bond from the coordinated methanol molecule [O4—H4o⋯N3i = 1.80(3) Å and 174(3)° for i: − x, 2 − y, − z]. These interactions occur between centrosymmetrically molecules to form dimeric aggregates. These, in turn, are connected by non-classical imine-C—H⋯Cl interactions [C7—H7⋯Cl1ii = 2.77 Å and 161° for ii: 1 − x, 1 − y, − z], again between centrosymmetrically related molecules. The result of the aforementioned intermolecular interactions is the formation of a supramolecular chain aligned along the [1 1̅ 0] direction.

Acknowledgements

Sunway University is thanked for support of biological studies of tin Schiff base complexes.

References

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Received: 2017-12-16
Accepted: 2018-3-18
Published Online: 2018-4-5
Published in Print: 2018-5-24

©2018 Lee See Mun et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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  56. Crystal structure of bis(μ2-pyrrolidine-1-carbodithioato-κ3S,S′:S;κ3S:S:S′)-bis(tricyclohexylphosphane-P)-di-copper(I), C46H82Cu2N2P2S4
  57. Crystal structure of N-(2-chlorophenyl)methoxycarbothioamide, C8H8ClNOS
  58. Crystal structure of chlorido-methanol-(N-(2-(oxy)-3-methoxybenzylidene)pyridine-4-carbohydrazonato-κ3O,N,O′)-(4-methylphenyl)methyl-tin(IV), C23H24ClN3O4Sn
  59. Crystal structure of N-(3-chlorophenyl)(propan-2-yloxy)carbothioamide, C10H12ClNOS
  60. Crystal structure of 1-[(Z)-[4-(4-methoxyphenyl)butan-2-ylidene]amino]-3-phenylurea, C18H21N3O2
  61. A triclinic polymorph of bis(μ-N,N-bis(2-hydroxyethyl)dithiocarbamato-κ3S,S′:S′) bis(N,N-bis(2-hydroxyethyl)dithiocarbamato-κ2S:S′)zinc(II), C20H40N4O8S8Zn2
https://doi.org/10.1515/ncrs-2017-0410
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Articles in the same Issue

  1. Cover and Frontmatter
  2. Bis(tetraethylammonium) carbonate – boric acid – water (1/2/5), C17H56B2N2O14
  3. Crystal structure of 4-methoxy-6-phenyl-2H-pyran-2-one, C12H10O3
  4. Crystal structure of tris{(3-((E)-(((E)-2-oxidobenzylidene)hydrazono)methyl)-2-oxo-2H-chromen-4-olato-κ3O,N:N′)}dicobalt(III)tris(dimethylformamide), C60H50Co2N9O15
  5. Crystal structure of poly[bis(1-methyl-[4,4′-bipyridin]-1-ium-κN)-tetrakis(μ3-sulfato-κ3O:O′:O′′)trizinc(II)], C22H22Zn3N4O16S4
  6. Crystal structure of (5Z,10Z)-3,13-dichloro-17,18-dioxo-5,11-diphenyl-8,9,17,18-tetrahydro-7H-dibenzo[e,n][1,4,8,12]tetraazacyclopentadecine-16,19-diido-κ4N,N′,N′′,N′′′)copper(II), C31H22N4O2Cl2Cu
  7. Crystal structure of bis{5-methoxy-2-(((2-oxo-2H-chromen-6-yl)imino)methyl)phenolato-κ2N,O}zinc(II), C34H24N2O8Zn
  8. Crystal structure of 2,2′-((((ethane-1,2-diylbis(oxy))bis(2,1-phenylene))bis(azanylylidene))bis(methanylylidene))diphenolato-κ2N;κ4O)nickel(II), C28H22N2O4Ni
  9. Crystal structure of 1,1′-((1E,1′E)-(((ethane-1,2-diylbis(oxy))bis(2,1-phenylene))bis(azanylylidene))bis(methanylylidene))bis(naphthalen-2-olato)cobalt(II), C36H26N2O4Co
  10. Crystal structure of camptothecin, C20H16N2O4
  11. Crystal structure of (2-(chlorophenyl)-5-methyl-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, Ni(C16H36N4)(C12H12O4Cl)ClO4⋅H2O
  12. Crystal structure of 3-(2-chloro-6-methoxyquinolin-3-yl)-5-phenylisoxazole (C19H13ClN2O2)
  13. Crystal structure of tetrakis(μ2-acetato-κ2O:O′)-bis{[(E)-2,6-diisopropyl-N-(pyridin-3-ylmethylene)aniline]copper (II)}, C44H56Cu2N4O8
  14. Crystal structure of diethyl 2-(2-chlorophenyl)-1,3-dioxane-5,5-dicarboxylate, C16H19Cl1O6
  15. Crystal structure of (μ2-2,2′-bipyridine-3,3′-dicarboxylato)-bis(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane)-di-nickel(II) perchlorate N,N′-dimethylformamide solvate, C50H92Cl2N12Ni2O14
  16. Crystal structure of catena-poly[triaqua(μ2-1,2-bis(4-pyridyl)ethane-κ2N:N′)-(1,2-bis(4-pyridyl)ethane-κN)nickel(II)] 2-aminonicotinate nitrate – 1,2-bis(4-pyridyl)ethane – water (2/1/8), C36H44N8NiO12
  17. Hydrothermal synthesis and crystal structure of poly[bis(μ2-3-(3,5-dicarboxyphenoxy)phthalato-κ3O,O′:O′′)-(μ2-1,2-di(pyridin-4-yl)ethane-κ2N:N′)copper(II)], C22H14CuNO9
  18. Crystal structure of catena-poly[aqua-(methanol-κO)-bis(μ2-4-(pyridin-4-yl)benzoato-κ2N:O)-bis(triphenylphospine-κP)disilver(I)], C61H52Ag2N2O6P2
  19. The crystal structure of 6-(4-bromobenzyl)-1,3,5-trimethyl-7-phenyl-1,5-dihydro-2H-pyrrolo[3,2-d]pyrimidine-2,4(3H)-dione, C22H20BrN3O2
  20. Synthesis and crystal structure of catena-poly[bis(2-(2-((2,6-dichlorophenyl)amino)phenyl)acetato-κO;κ2O′,O′′)-(μ2-1,4-di(pyridin-4-yl)benzene-κ2N:N′)zinc(II)], C44H32N4ZnCl4O4
  21. Crystal structure of diaqua-bis[N-phenyl-2-(quinolin-8-yloxy)acetamide-κ3-N,O,O′]-nitrato(κ2O,O′)-cerium(III) dinitrate - acetone (1/2), C40H44N7O17Ce
  22. Crystal structure of the 2D coordination polymer poly[aqua(μ2-2,2′-(1,2-phenylene)diacetato-κ3O,O′:O′)-(μ2-4,4′-bis((1H-1,2,4-triazol-1-yl)methyl)-1,1′-biphenyl-κ2N:N′)cobalt(II)], C28H26CoN6O5
  23. Crystal structure of (dimethylformamide-κO)(perchlorato-κ2O,O′){μ2-6,6′-((1,2-phenylenebis(azanylylidene))bis(methanylylidene))bis(4-bromo-2-methoxyphenolate)-κ8N,N′,O:O,O′:O′,O′′,O′′′}sodium(I)nickel(II), C25H23Br2ClN3NaNiO9
  24. The crystal structure of catena-poly[bis((4-aminophenyl)sulfonyl)(pyrimidin-2-yl)amido-κ2N,N′)-bis(μ2-4,4′-bipyridine-N,N′-κ2N:N′)zinc(II) – methanol (1/2), C32H34N10O6S2Zn
  25. Synthesis and crystal structure poly[aqua(μ3-2-(((7-hydroxy-3-(4-hydroxy-3-sulfonatophenyl)-4-oxo-4H-chromen-8-yl)methyl)ammonio)acetate-κ4O,O′:O′′:O′′′) sodium] monohydrate, C18H18NNaO11S
  26. Crystal structure of methyl 4′-amino-3′,5′-diisopropyl-[1,1′-biphenyl]-4-carboxylate, C20H25NO2
  27. Crystal structure of (η6-1-isopropyl-4-methyl benzene)-(N-(2,5-dichlorophenyl)-1-(pyridin-2-yl)methanimine-κ2N,N′)ruthenium(II) perchlorate, C22H22Cl4N2O4Ru
  28. Crystal structure of 2-(2-(1-Chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl)-1H-1,2,4-triazole-3(2H)-thione, C14H15Cl2N3OS
  29. Crystal structure of methyl 4′-amino-3′,5′-dimethyl-[1,1′-biphenyl]-4-carboxylate, C16H17NO2
  30. The crystal structure of 1-(5-ferrocenyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)pentan-1-on, C19H19F3FeN2O
  31. The crystal structure of (3S,12R,20R,24S)-3,12-diacetyl-20,24-epoxy-dammarane-3,12,25-triol acetone solvate, C34H56O6
  32. Crystal structure of methyl 10-(pyridin-4-yl)-anthracene-9-carboxylate, C21H15NO2
  33. Crystal structure of catena-poly[diaqua-bis(di(N2,N6-dihydroxypyridine-2,6-dicarboxamide))potassium(I)]tetrahydrate, C14H25N6O14K
  34. Crystal structure of poly{[μ2-(E)-1,4-bis(1H-benzo[d]imidazol-1-yl)but-2-ene-κ2N:N′][μ3–cyclohexane-1,4-dicarboxylato-κ4O,O′:O′′:O′′′]cadmium(II)}, C26H26CdN4O4
  35. Crystal structure of poly[aqua(μ3-[2,2′-bipyridine]-3,3′-dicarboxylato-κ4N,N′:O:O′)zinc(II)] – dimethylformamide (1/1), C15H15N3O6Zn
  36. The crystal structure of poly[tetraaqua-tris(μ2-2,6-di(1H-imidazol-1-yl)naphthalene-κ2N:N′)-bis(thiophene-2,5-dicarboxylato-κ1O)]dicobalt(II), C30H24CoN6O6S
  37. Crystal structure of (S)-1-(5-(anthracen-9-yl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)propan-1-one, C26H22N2O
  38. Crystal structure of 5-methyl-3,3-diphenyl-1-tosyl-1,2,3,4-tetrahydropyridine, C25H25NO2S
  39. Synthesis and crystal structure of μ-[1,1′-di(mesitylphosphanido)ferrocene]bis[η5-cyclopentadienylnickel(II)] tetrahydrofurane solvate, C42H48FeNi2OP2
  40. Synthesis and crystal structure of (E)-1-(4-(((E)-5-chloro-2-hydroxybenzylidene)amino)phenyl)ethan-1-one O-methyl oxime, C16H15ClN2O2
  41. Crystal structure of bis(1-(phenylsulfonyl)-2-(1-(pyrazin-2-yl)ethylidene)hydrazin-1-ido-κ3N,N′,O)nickel(II), C24H22N8O4S2Ni
  42. Crystal Structure of bis(1-(phenylsulfonyl)-2-(1-(pyrazin-2-yl)ethylidene)hydrazin-1-ido-κ3N,N′,O)copper(II), C24H22N8O4S2Cu
  43. Synthesis and crystal structure of poly[aqua{μ3-(1S,2S)-1-((7-hydroxy-3-(4-hydroxy-3-sulfonatophenyl)-4-oxo-4H-chromen-8-yl)methyl)pyrrolidin-1-ium-2-carboxylato-κ4O,O′:O′′:O′′′}sodium(I)] monohydrate, C21H22NNaO11S
  44. Halogen bonds in the crystal structure of 1,4-diiodotetrafluorobenzene–1,2-bis(4-pyridyl)propane (1/1), C19H14F4I2N2
  45. Crystal structure of bis(μ-N-i-propyl-N-n-propyldithiocarbamato-κ2S:S′) bis(N-i-propyl-N-n-propyldithiocarbamato-κ2S,S′)dizinc(II), C28H56N4S8Zn2
  46. Crystal structure of bis(μ-N-i-propyl-N-n-propyldithiocarbamato-κ3S,S′:S)bis(N-i-propyl-N-n-propyldithiocarbamato-κ2S,S′)dicadmium(II), C28H56Cd2N4S8
  47. Crystal structure of bis(μ2-di-n-butyldithiocarbamato-κ3S,S′:S;κ3S:S:S′)-hexacarbonyl-di-rhenium(I), C24H36N2O6Re2
  48. Crystal structure of 7-(4-methylphenyl)imidazo[1,2-a][1,3,5]triazin-4-amine, C12H11N5
  49. Crystal structure of the co-crystal O-isopropyl phenylcarbamothioate – 4,4′-bipyridine (2/1), C15H17N2OS
  50. Crystal structure of the coordination polymer catena-poly[chlorido-{μ2-2-(((3,5-dimethyl-1H-pyrazol-1-yl)methyl)amino)-3-hydroxybutanoato-κ4N,N,O:O′}copper(II)], C11H16ClCuN2O3
  51. Synthesis and crystal structure of bis(μ2-acetato-κ2O:O′)-di(ethanol)-bis{μ2-5-(N,N′-diethylamine)-5′-methoxyl-2,2′-[ethylenediyldioxybis(nitrilomethylidyne)]diphenolato-κ6O:O,N,N,O′:O′}trinickel(II) – ethanol – acetonitrile (1/2/2), C58H86Ni3N8O18
  52. Crystal structure of the bis((E)-O-ethyl-N-phenylthiocarbamate) – 4,4′-bipyridine co-crystal (2/1), C28H30N4O2S2
  53. Crystal structure of the (E)-O-methyl-N-phenyl-thiocarbamate – 4,4′-bipyridine (1/1), C18H17N3OS
  54. Crystal structure of bis(μ2-diethyldithiocarbamato-κ3S,S′:S′)-bis(tricyclohexylphosphane-κP)dicopper(I), C46H86Cu2N2P2S4
  55. Crystal structure of N-(3-chlorophenyl)ethoxycarbothioamide, C9H10ClNOS
  56. Crystal structure of bis(μ2-pyrrolidine-1-carbodithioato-κ3S,S′:S;κ3S:S:S′)-bis(tricyclohexylphosphane-P)-di-copper(I), C46H82Cu2N2P2S4
  57. Crystal structure of N-(2-chlorophenyl)methoxycarbothioamide, C8H8ClNOS
  58. Crystal structure of chlorido-methanol-(N-(2-(oxy)-3-methoxybenzylidene)pyridine-4-carbohydrazonato-κ3O,N,O′)-(4-methylphenyl)methyl-tin(IV), C23H24ClN3O4Sn
  59. Crystal structure of N-(3-chlorophenyl)(propan-2-yloxy)carbothioamide, C10H12ClNOS
  60. Crystal structure of 1-[(Z)-[4-(4-methoxyphenyl)butan-2-ylidene]amino]-3-phenylurea, C18H21N3O2
  61. A triclinic polymorph of bis(μ-N,N-bis(2-hydroxyethyl)dithiocarbamato-κ3S,S′:S′) bis(N,N-bis(2-hydroxyethyl)dithiocarbamato-κ2S:S′)zinc(II), C20H40N4O8S8Zn2
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