Abstract
C28H56N4S8Zn2, monoclinic, P21/n (no. 14), a = 9.4123(2) Å, b = 19.2708(4) Å, c = 11.5228(3) Å, β = 107.202(2)°, V = 1996.54(8) Å3, Z = 2, Rgt(F) = 0.0254, wRref(F2) = 0.0572, T = 100(2) K.

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.
Data collection and handling.
| Crystal: | Prism, colourless |
| Size: | 0.22 × 0.15 × 0.12 mm |
| Wavelength: | Mo Kα radiation (0.71073 Å) |
| μ: | 1.64 mm−1 |
| Diffractometer, scan mode: | XtaLAB Synergy, φ and ω-scans |
| θmax, completeness: | 26.4°, >99% |
| N(hkl)measured, N(hkl)unique, Rint: | 25064, 4077, 0.058 |
| Criterion for Iobs, N(hkl)gt: | Iobs > 2 σ(Iobs), 3556 |
| N(param)refined: | 196 |
| Programs: | CrysAlisPRO [1], SHELX [2, 3], WinGX and ORTEP [4] |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
| Atom | x | y | z | Uiso*/Ueq |
|---|---|---|---|---|
| Zn | 0.37991(2) | 0.01105(2) | 0.84818(2) | 0.01427(7) |
| S1 | 0.23765(5) | −0.07186(2) | 0.91107(4) | 0.01680(11) |
| S2 | 0.37630(5) | 0.03187(2) | 1.10103(4) | 0.01369(10) |
| S3 | 0.33473(5) | 0.12972(2) | 0.81372(4) | 0.01565(10) |
| S4 | 0.27001(6) | 0.01889(2) | 0.62911(4) | 0.01789(11) |
| N1 | 0.22070(17) | −0.07957(8) | 1.13595(14) | 0.0141(3) |
| N2 | 0.17867(17) | 0.15084(8) | 0.58165(14) | 0.0152(3) |
| C1 | 0.27372(19) | −0.04443(9) | 1.05904(17) | 0.0126(4) |
| C2 | 0.2486(2) | −0.05890(10) | 1.26581(17) | 0.0177(4) |
| H2 | 0.3058 | −0.0144 | 1.2785 | 0.021* |
| C3 | 0.3434(2) | −0.11270(12) | 1.35064(19) | 0.0265(5) |
| H3A | 0.4324 | −0.1224 | 1.3259 | 0.040* |
| H3B | 0.2859 | −0.1555 | 1.3467 | 0.040* |
| H3C | 0.3729 | −0.0949 | 1.4340 | 0.040* |
| C4 | 0.1023(2) | −0.04519(10) | 1.29285(18) | 0.0200(4) |
| H4A | 0.0467 | −0.0091 | 1.2380 | 0.030* |
| H4B | 0.1225 | −0.0297 | 1.3772 | 0.030* |
| H4C | 0.0433 | −0.0880 | 1.2808 | 0.030* |
| C5 | 0.1321(2) | −0.14292(9) | 1.09520(18) | 0.0164(4) |
| H5A | 0.1332 | −0.1710 | 1.1674 | 0.020* |
| H5B | 0.1801 | −0.1707 | 1.0449 | 0.020* |
| C6 | −0.0290(2) | −0.12934(10) | 1.02204(18) | 0.0192(4) |
| H6A | −0.0320 | −0.0958 | 0.9563 | 0.023* |
| H6B | −0.0829 | −0.1087 | 1.0755 | 0.023* |
| C7 | −0.1051(3) | −0.19655(11) | 0.9673(2) | 0.0280(5) |
| H7A | −0.2087 | −0.1869 | 0.9212 | 0.042* |
| H7B | −0.1027 | −0.2296 | 1.0325 | 0.042* |
| H7C | −0.0530 | −0.2164 | 0.9129 | 0.042* |
| C8 | 0.2525(2) | 0.10501(9) | 0.66396(17) | 0.0136(4) |
| C9 | 0.1123(2) | 0.13041(10) | 0.45210(18) | 0.0230(5) |
| H9 | 0.1032 | 0.0787 | 0.4497 | 0.028* |
| C10 | 0.2184(3) | 0.15005(13) | 0.3801(2) | 0.0370(6) |
| H10A | 0.3164 | 0.1296 | 0.4187 | 0.056* |
| H10B | 0.2276 | 0.2007 | 0.3785 | 0.056* |
| H10C | 0.1797 | 0.1325 | 0.2969 | 0.056* |
| C11 | −0.0426(3) | 0.15985(12) | 0.3985(2) | 0.0336(6) |
| H11A | −0.1057 | 0.1456 | 0.4484 | 0.050* |
| H11B | −0.0850 | 0.1424 | 0.3156 | 0.050* |
| H11C | −0.0374 | 0.2106 | 0.3970 | 0.050* |
| C12 | 0.1667(2) | 0.22389(9) | 0.61543(18) | 0.0165(4) |
| H12A | 0.1462 | 0.2531 | 0.5416 | 0.020* |
| H12B | 0.2630 | 0.2389 | 0.6719 | 0.020* |
| C13 | 0.0444(2) | 0.23543(10) | 0.67548(19) | 0.0191(4) |
| H13A | −0.0532 | 0.2245 | 0.6164 | 0.023* |
| H13B | 0.0596 | 0.2033 | 0.7451 | 0.023* |
| C14 | 0.0422(2) | 0.30923(10) | 0.7197(2) | 0.0271(5) |
| H14A | −0.0393 | 0.3146 | 0.7558 | 0.041* |
| H14B | 0.0275 | 0.3413 | 0.6511 | 0.041* |
| H14C | 0.1370 | 0.3196 | 0.7809 | 0.041* |
Source of materials
The compound was obtained from reacting a 1:2 mixture of ZnCl2 (Acros Organic) and Na[S2CN(i-Pr)n-Pr] [prepared from the 1:1:1 reaction of CS2 (Panreac), HN(i-Pr)n-Pr (Alfa Aesar) and NaOH (Merck) in acetone solution] in water which resulted in an immediate white precipitate. This was extracted with CH2Cl2 and filtered. The filtrate was allow to stand for slow evaporation under ambient conditions. Colourless crystals formed after a few days. M.p.: 384.2–384.4 K. IR (cm−1): ν(C—S) 1189 (s, sh), 971 (s), ν(C—N) 1454 (s).
Experimental details
The C-bound H atoms were geometrically placed (C—H = 0.98–1.00 Å) and refined as riding with Uiso(H) = 1.2–1.5Ueq(C).
Discussion
On-going interest in the structural chemistry of zinc dithiocarbamates (−S2CNRR′) is reflected by the observation that there are approaching 250 “hits” for these derivatives in the Cambridge Structural Database (CSD) [5]. The motivations for continuing investigations broadly relate to crystal engineering [6], [7], [8] and biological considerations [9, 10] . In was in the former context that the centrosymmetric binuclear title compound, {Zn[S2CN(i-Pr)n-Pr]2}2, with disparate R substituents, was studied.
As seen from the figure (70% displacement ellipsoids), the molecular structure comprises equals numbers of bidentate bridging and chelating dithiocarbamate ligands. The Zn—S bond lengths span a relatively narrow range of 2.3335(5) Å [for Zn—S1] to 2.4332(5) Å [Zn—S4]. The coordination geometry at Zn(II) approximates a tetrahedron with angles ranging from a narrow 76.289(17)° (chelate angle) to 129.055(19)° for S1—Zn—S3. This wide angle may be traced to the close approach of the transannular S2 atom which is separated from the zinc atom by 2.9512(5) Å.
In the most recent comprehensive review of the structural chemistry of the binary zinc-triad 1,1-dithiolates, of which dithiocarbamate is an exemplar, two structural motifs were described for molecules of the general formula Zn(S2CNRR′)2 [11]. One was based on the dimeric structure just described, as exemplified by [Zn(S2CNMe2)2]2 [12], while the other was monomeric, with Zn(S2CNCy2)2 being archetypal [13]. The adoption of one motif over the other is ascribed to steric effects with bulky substituents precluding dimerisation. Of the approximately 60 structures of Zn(S2CNRR′)2 included in the CSD [5], the ratio of dimer to monomer is almost exactly 2:1. The fine balance between the adoption of either motif is seen in the structure for R = i-Bu [14]. Here, the crystal comprises equal numbers of each motif. Finally, the structure of the cadmium analogue of the title compound is described in the following paper [15]. Essentially, the same structural motif is observed except that the transannular Cd—S is considered bonding and therefore, the cadmium five-coordinate. This difference arises owing to the larger size of the cadmium atom.
Acknowledgements
Sunway University is thanked for support of biological and crystal engineering studies of metal dithiocarbamates.
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©2018 Yee Seng Tan et al., published by De Gruyter, Berlin/Boston
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- 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
- 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
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- Crystal structure of 7-(4-methylphenyl)imidazo[1,2-a][1,3,5]triazin-4-amine, C12H11N5
- Crystal structure of the co-crystal O-isopropyl phenylcarbamothioate – 4,4′-bipyridine (2/1), C15H17N2OS
- 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
- 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
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- Crystal structure of the (E)-O-methyl-N-phenyl-thiocarbamate – 4,4′-bipyridine (1/1), C18H17N3OS
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- Crystal structure of N-(3-chlorophenyl)ethoxycarbothioamide, C9H10ClNOS
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- Crystal structure of N-(2-chlorophenyl)methoxycarbothioamide, C8H8ClNOS
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- Crystal structure of N-(3-chlorophenyl)(propan-2-yloxy)carbothioamide, C10H12ClNOS
- Crystal structure of 1-[(Z)-[4-(4-methoxyphenyl)butan-2-ylidene]amino]-3-phenylurea, C18H21N3O2
- 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
Articles in the same Issue
- Cover and Frontmatter
- Bis(tetraethylammonium) carbonate – boric acid – water (1/2/5), C17H56B2N2O14
- Crystal structure of 4-methoxy-6-phenyl-2H-pyran-2-one, C12H10O3
- 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
- Crystal structure of poly[bis(1-methyl-[4,4′-bipyridin]-1-ium-κN)-tetrakis(μ3-sulfato-κ3O:O′:O′′)trizinc(II)], C22H22Zn3N4O16S4
- 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
- Crystal structure of bis{5-methoxy-2-(((2-oxo-2H-chromen-6-yl)imino)methyl)phenolato-κ2N,O}zinc(II), C34H24N2O8Zn
- Crystal structure of 2,2′-((((ethane-1,2-diylbis(oxy))bis(2,1-phenylene))bis(azanylylidene))bis(methanylylidene))diphenolato-κ2N;κ4O)nickel(II), C28H22N2O4Ni
- 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
- Crystal structure of camptothecin, C20H16N2O4
- 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
- Crystal structure of 3-(2-chloro-6-methoxyquinolin-3-yl)-5-phenylisoxazole (C19H13ClN2O2)
- Crystal structure of tetrakis(μ2-acetato-κ2O:O′)-bis{[(E)-2,6-diisopropyl-N-(pyridin-3-ylmethylene)aniline]copper (II)}, C44H56Cu2N4O8
- Crystal structure of diethyl 2-(2-chlorophenyl)-1,3-dioxane-5,5-dicarboxylate, C16H19Cl1O6
- 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
- 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
- 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
- Crystal structure of catena-poly[aqua-(methanol-κO)-bis(μ2-4-(pyridin-4-yl)benzoato-κ2N:O)-bis(triphenylphospine-κP)disilver(I)], C61H52Ag2N2O6P2
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Crystal structure of methyl 4′-amino-3′,5′-diisopropyl-[1,1′-biphenyl]-4-carboxylate, C20H25NO2
- Crystal structure of (η6-1-isopropyl-4-methyl benzene)-(N-(2,5-dichlorophenyl)-1-(pyridin-2-yl)methanimine-κ2N,N′)ruthenium(II) perchlorate, C22H22Cl4N2O4Ru
- Crystal structure of 2-(2-(1-Chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl)-1H-1,2,4-triazole-3(2H)-thione, C14H15Cl2N3OS
- Crystal structure of methyl 4′-amino-3′,5′-dimethyl-[1,1′-biphenyl]-4-carboxylate, C16H17NO2
- The crystal structure of 1-(5-ferrocenyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)pentan-1-on, C19H19F3FeN2O
- The crystal structure of (3S,12R,20R,24S)-3,12-diacetyl-20,24-epoxy-dammarane-3,12,25-triol acetone solvate, C34H56O6
- Crystal structure of methyl 10-(pyridin-4-yl)-anthracene-9-carboxylate, C21H15NO2
- Crystal structure of catena-poly[diaqua-bis(di(N2,N6-dihydroxypyridine-2,6-dicarboxamide))potassium(I)]tetrahydrate, C14H25N6O14K
- 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
- Crystal structure of poly[aqua(μ3-[2,2′-bipyridine]-3,3′-dicarboxylato-κ4N,N′:O:O′)zinc(II)] – dimethylformamide (1/1), C15H15N3O6Zn
- 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
- Crystal structure of (S)-1-(5-(anthracen-9-yl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)propan-1-one, C26H22N2O
- Crystal structure of 5-methyl-3,3-diphenyl-1-tosyl-1,2,3,4-tetrahydropyridine, C25H25NO2S
- Synthesis and crystal structure of μ-[1,1′-di(mesitylphosphanido)ferrocene]bis[η5-cyclopentadienylnickel(II)] tetrahydrofurane solvate, C42H48FeNi2OP2
- Synthesis and crystal structure of (E)-1-(4-(((E)-5-chloro-2-hydroxybenzylidene)amino)phenyl)ethan-1-one O-methyl oxime, C16H15ClN2O2
- Crystal structure of bis(1-(phenylsulfonyl)-2-(1-(pyrazin-2-yl)ethylidene)hydrazin-1-ido-κ3N,N′,O)nickel(II), C24H22N8O4S2Ni
- Crystal Structure of bis(1-(phenylsulfonyl)-2-(1-(pyrazin-2-yl)ethylidene)hydrazin-1-ido-κ3N,N′,O)copper(II), C24H22N8O4S2Cu
- 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
- Halogen bonds in the crystal structure of 1,4-diiodotetrafluorobenzene–1,2-bis(4-pyridyl)propane (1/1), C19H14F4I2N2
- 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
- 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
- Crystal structure of bis(μ2-di-n-butyldithiocarbamato-κ3S,S′:S;κ3S:S:S′)-hexacarbonyl-di-rhenium(I), C24H36N2O6Re2
- Crystal structure of 7-(4-methylphenyl)imidazo[1,2-a][1,3,5]triazin-4-amine, C12H11N5
- Crystal structure of the co-crystal O-isopropyl phenylcarbamothioate – 4,4′-bipyridine (2/1), C15H17N2OS
- 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
- 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
- Crystal structure of the bis((E)-O-ethyl-N-phenylthiocarbamate) – 4,4′-bipyridine co-crystal (2/1), C28H30N4O2S2
- Crystal structure of the (E)-O-methyl-N-phenyl-thiocarbamate – 4,4′-bipyridine (1/1), C18H17N3OS
- Crystal structure of bis(μ2-diethyldithiocarbamato-κ3S,S′:S′)-bis(tricyclohexylphosphane-κP)dicopper(I), C46H86Cu2N2P2S4
- Crystal structure of N-(3-chlorophenyl)ethoxycarbothioamide, C9H10ClNOS
- Crystal structure of bis(μ2-pyrrolidine-1-carbodithioato-κ3S,S′:S;κ3S:S:S′)-bis(tricyclohexylphosphane-P)-di-copper(I), C46H82Cu2N2P2S4
- Crystal structure of N-(2-chlorophenyl)methoxycarbothioamide, C8H8ClNOS
- Crystal structure of chlorido-methanol-(N-(2-(oxy)-3-methoxybenzylidene)pyridine-4-carbohydrazonato-κ3O,N,O′)-(4-methylphenyl)methyl-tin(IV), C23H24ClN3O4Sn
- Crystal structure of N-(3-chlorophenyl)(propan-2-yloxy)carbothioamide, C10H12ClNOS
- Crystal structure of 1-[(Z)-[4-(4-methoxyphenyl)butan-2-ylidene]amino]-3-phenylurea, C18H21N3O2
- 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