Literature DB >> 26870449

Crystal structure of bis-[μ-S-hexyl 3-(2-oxido-benzyl-idene)di-thio-carbazato-κ(4) O,N (3),S:O]dicopper(II).

M S Begum1, M B H Howlader1, M C Sheikh2, R Miyatake3, E Zangrando4.   

Abstract

The title compound, [Cu2(C14H18N2OS2)2], is a binuclear copper(II) complex of an oxybenzyl-idenedi-thio-carbazate ligand. The ligand coordinates in a tridentate manner through N-, S- and O-donor atoms. Each O atom also bridges to a second Cu(II) ion to form the binuclear species. It has a central Cu2O2 rhomboid moiety and a metal-to-metal separation of 2.9923 (6) Å. In the crystal, the binuclear complexes stack along the a axis with all the hexyl chains located side-by-side, forming a hydro-phobic region. The complexes are linked via C-H⋯N hydrogen bonds, forming chains along the c-axis direction. One Cu(II) atom has the S atom of a symmetry-related complex located approximately in the apical position at 2.9740 (11) Å. This weak inter-action links the chains to form slabs parallel to the ac plane.

Entities:  

Keywords:  Schiff base; binuclear copper(II) complex; crystal structure; di­thio­carbazate ligand

Year:  2015        PMID: 26870449      PMCID: PMC4719858          DOI: 10.1107/S2056989015022914

Source DB:  PubMed          Journal:  Acta Crystallogr E Crystallogr Commun


Related literature

For details of the bioactivities of metal complexes of bidentate Schiff bases of S-methyl or S-benzyl di­thio­carbazate ligands, see: Chan et al. (2008 ▸); How et al. (2008 ▸); Ali et al. (2002 ▸); Chew et al. (2004 ▸). For square-planar metal complexes of di­thio­carbazate ligands coordinating in a bidentate manner, see: Tarafder et al. (2008 ▸); Howlader et al. (2015 ▸); Begum et al. (2015 ▸). For Cu—N and Cu—S bond lengths in mononuclear bis-chelated species, see: Zangrando, Begum et al. (2015 ▸); Zangrando, Islam et al. (2015 ▸). For copper(II) complexes of similar ligands, see: Ali, Tan et al. (2012 ▸); Ali, Mirza et al. (2012 ▸).

Experimental

Crystal data

[Cu2(C14H18N2OS2)2] M = 715.93 Monoclinic, a = 7.2792 (4) Å b = 37.7252 (16) Å c = 11.3443 (5) Å β = 94.701 (2)° V = 3104.8 (3) Å3 Z = 4 Mo Kα radiation μ = 1.67 mm−1 T = 173 K 0.36 × 0.34 × 0.03 mm

Data collection

Rigaku R-AXIS RAPID diffractometer Absorption correction: multi-scan (ABSCOR; Higashi, 1995 ▸) T min = 0.723, T max = 0.951 12702 measured reflections 5278 independent reflections 5114 reflections with I > 2σ(I) R int = 0.025

Refinement

R[F 2 > 2σ(F 2)] = 0.027 wR(F 2) = 0.066 S = 1.06 5278 reflections 361 parameters 2 restraints H-atom parameters constrained Δρmax = 0.60 e Å−3 Δρmin = −0.29 e Å−3 Absolute structure: Flack x determined using 2223 quotients [(I +)−(I −)]/[(I +)+(I −)] (Parsons et al., 2013 ▸) Absolute structure parameter: 0.006 (6)

Data collection: RAPID-AUTO (Rigaku, 2001 ▸); cell refinement: RAPID-AUTO; data reduction: RAPID-AUTO; program(s) used to solve structure: SIR92 (Altomare et al., 1994 ▸); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015 ▸); molecular graphics: CrystalStructure (Rigaku, 2010 ▸); software used to prepare material for publication: CrystalStructure. Crystal structure: contains datablock(s) I. DOI: 10.1107/S2056989015022914/su5246sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S2056989015022914/su5246Isup2.hkl Click here for additional data file. . DOI: 10.1107/S2056989015022914/su5246fig1.tif A view of the mol­ecular structure of the title complex, with atom labelling. The displacement ellipsoids are drawn at the 50% probability level. Click here for additional data file. c i x y z . DOI: 10.1107/S2056989015022914/su5246fig2.tif A view along the c axis of the crystal packing of the title complex. Dotted lines indicated the Cu2—S2i distances of 2.9740 (11) Å [symmetry code: (i) x − , −y + , z + ], and H atoms have been omitted for clarity. CCDC reference: 1439650 Additional supporting information: crystallographic information; 3D view; checkCIF report
[Cu2(C14H18N2OS2)2]F(000) = 1480
Mr = 715.93Dx = 1.532 Mg m3
Monoclinic, CcMo Kα radiation, λ = 0.71075 Å
a = 7.2792 (4) ÅCell parameters from 701 reflections
b = 37.7252 (16) Åθ = 3.2–26.4°
c = 11.3443 (5) ŵ = 1.67 mm1
β = 94.701 (2)°T = 173 K
V = 3104.8 (3) Å3Platelet, brown
Z = 40.36 × 0.34 × 0.03 mm
Rigaku R-AXIS RAPID diffractometer5114 reflections with I > 2σ(I)
Detector resolution: 10.000 pixels mm-1Rint = 0.025
ω scansθmax = 25.4°, θmin = 3.2°
Absorption correction: multi-scan (ABSCOR; Higashi, 1995)h = −8→8
Tmin = 0.723, Tmax = 0.951k = −45→45
12702 measured reflectionsl = −13→13
5278 independent reflections
Refinement on F2Hydrogen site location: inferred from neighbouring sites
Least-squares matrix: fullH-atom parameters constrained
R[F2 > 2σ(F2)] = 0.027w = 1/[σ2(Fo2) + (0.0398P)2] where P = (Fo2 + 2Fc2)/3
wR(F2) = 0.066(Δ/σ)max = 0.001
S = 1.06Δρmax = 0.60 e Å3
5278 reflectionsΔρmin = −0.29 e Å3
361 parametersAbsolute structure: Flack x determined using 2223 quotients [(I+)-(I-)]/[(I+)+(I-)] (Parsons et al., 2013)
2 restraintsAbsolute structure parameter: 0.006 (6)
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.
Refinement. Refinement was performed using all reflections. The weighted R-factor (wR) and goodness of fit (S) are based on F2. R-factor (gt) are based on F. The threshold expression of F2 > 2.0 σ(F2) is used only for calculating R-factor (gt).
xyzUiso*/Ueq
Cu10.15703 (6)0.75915 (2)0.15440 (4)0.02305 (13)
Cu20.17703 (6)0.81382 (2)0.34616 (4)0.02522 (13)
S10.26421 (15)0.70459 (3)0.13607 (8)0.0267 (2)
S20.29460 (14)0.66844 (3)−0.10024 (8)0.0271 (2)
S30.29144 (15)0.86872 (3)0.36366 (9)0.0318 (2)
S40.39250 (16)0.90558 (3)0.58598 (10)0.0330 (2)
O10.1071 (4)0.80939 (7)0.1742 (2)0.0258 (7)
O20.1407 (4)0.76259 (7)0.3249 (2)0.0257 (7)
N10.1368 (5)0.76188 (8)−0.0151 (3)0.0235 (8)
N20.1776 (5)0.73220 (9)−0.0820 (3)0.0255 (7)
N30.2447 (5)0.80819 (9)0.5132 (3)0.0252 (8)
N40.3081 (5)0.83759 (9)0.5811 (3)0.0282 (7)
C10.0484 (6)0.83258 (10)0.0903 (4)0.0249 (8)
C2−0.0068 (6)0.86690 (10)0.1209 (4)0.0298 (9)
H2−0.00440.87330.20200.036*
C3−0.0638 (6)0.89129 (10)0.0367 (4)0.0328 (9)
H3−0.09950.91430.06020.039*
C4−0.0704 (6)0.88291 (11)−0.0835 (4)0.0347 (10)
H4−0.10930.9000−0.14170.042*
C5−0.0199 (6)0.84966 (11)−0.1157 (4)0.0296 (9)
H5−0.02460.8438−0.19740.036*
C60.0393 (6)0.82360 (11)−0.0312 (3)0.0252 (8)
C70.0854 (6)0.78960 (10)−0.0771 (3)0.0252 (9)
H70.07760.7871−0.16070.030*
C80.2370 (5)0.70578 (10)−0.0176 (3)0.0221 (8)
C90.3329 (6)0.63379 (10)0.0105 (4)0.0285 (9)
H9A0.45340.63750.05590.034*
H9B0.23550.63490.06650.034*
C100.3300 (7)0.59759 (10)−0.0491 (4)0.0332 (9)
H10A0.42130.5971−0.10910.040*
H10B0.20650.5932−0.08990.040*
C110.3752 (7)0.56854 (11)0.0424 (4)0.0384 (10)
H11A0.50400.57160.07610.046*
H11B0.29390.57130.10760.046*
C120.3525 (8)0.53115 (12)−0.0078 (5)0.0502 (13)
H12A0.37590.51400.05760.060*
H12B0.22300.5280−0.04030.060*
C130.4783 (9)0.52245 (13)−0.1038 (6)0.0617 (16)
H13A0.60740.5273−0.07390.074*
H13B0.44770.5381−0.17260.074*
C140.4620 (10)0.48402 (14)−0.1440 (7)0.075 (2)
H14A0.54570.4797−0.20580.113*
H14B0.49470.4683−0.07660.113*
H14C0.33490.4792−0.17530.113*
C150.1172 (6)0.73824 (10)0.4088 (3)0.0234 (8)
C160.0434 (6)0.70501 (11)0.3792 (4)0.0266 (8)
H160.01000.69960.29850.032*
C170.0179 (6)0.67982 (11)0.4649 (3)0.0283 (9)
H17−0.03240.65730.44230.034*
C180.0653 (7)0.68710 (11)0.5843 (4)0.0333 (10)
H180.04920.66960.64300.040*
C190.1349 (6)0.71952 (10)0.6152 (3)0.0292 (9)
H190.16610.72460.69640.035*
C200.1624 (6)0.74617 (10)0.5296 (4)0.0266 (8)
C210.2290 (6)0.77955 (11)0.5743 (3)0.0272 (9)
H210.26510.78090.65660.033*
C220.3282 (6)0.86546 (11)0.5167 (4)0.0282 (9)
C230.4128 (7)0.89347 (12)0.7416 (4)0.0357 (10)
H23A0.30090.88060.76150.043*
H23B0.52050.87770.75870.043*
C240.4365 (7)0.92718 (12)0.8150 (4)0.0399 (11)
H24A0.55350.93880.79850.048*
H24B0.33450.94370.79130.048*
C250.4385 (7)0.91990 (12)0.9463 (4)0.0394 (11)
H25A0.32410.90710.96140.047*
H25B0.54370.90410.96980.047*
C260.4533 (9)0.95249 (13)1.0232 (5)0.0572 (15)
H26A0.35230.96900.99700.069*
H26B0.57140.96461.01200.069*
C270.4440 (12)0.94475 (19)1.1539 (5)0.076 (2)
H27A0.33290.93021.16340.091*
H27B0.55270.93031.18140.091*
C280.4381 (15)0.9760 (2)1.2308 (7)0.112 (3)
H28A0.43220.96831.31300.168*
H28B0.54920.99031.22450.168*
H28C0.32880.99021.20640.168*
U11U22U33U12U13U23
Cu10.0294 (3)0.0239 (2)0.0163 (2)0.00168 (19)0.00456 (18)−0.00053 (18)
Cu20.0311 (3)0.0258 (2)0.0191 (2)−0.0010 (2)0.00362 (19)−0.00153 (18)
S10.0357 (6)0.0258 (5)0.0190 (4)0.0041 (4)0.0043 (4)−0.0001 (4)
S20.0330 (5)0.0255 (5)0.0233 (5)0.0004 (4)0.0064 (4)−0.0035 (4)
S30.0355 (6)0.0315 (5)0.0288 (5)−0.0062 (4)0.0043 (4)0.0002 (4)
S40.0333 (6)0.0303 (5)0.0352 (5)−0.0036 (4)0.0025 (4)−0.0060 (4)
O10.0368 (18)0.0231 (13)0.0182 (14)0.0014 (11)0.0060 (13)−0.0001 (10)
O20.0404 (19)0.0221 (13)0.0152 (13)0.0010 (12)0.0062 (13)0.0000 (10)
N10.0246 (18)0.0249 (17)0.0211 (17)0.0009 (14)0.0033 (14)−0.0018 (13)
N20.0339 (19)0.0258 (17)0.0175 (16)0.0003 (15)0.0058 (14)−0.0034 (13)
N30.0249 (19)0.0290 (17)0.0217 (17)0.0006 (14)0.0025 (14)−0.0062 (14)
N40.0288 (18)0.0293 (17)0.0262 (17)0.0000 (15)0.0004 (15)−0.0040 (14)
C10.022 (2)0.030 (2)0.0228 (18)−0.0012 (16)0.0031 (15)0.0006 (16)
C20.032 (2)0.030 (2)0.029 (2)0.0007 (17)0.0068 (18)−0.0032 (16)
C30.035 (2)0.026 (2)0.038 (2)0.0032 (18)0.0027 (19)−0.0031 (18)
C40.037 (2)0.031 (2)0.035 (2)0.0037 (19)−0.0043 (19)0.0069 (18)
C50.034 (2)0.030 (2)0.0239 (19)−0.0007 (17)−0.0023 (17)0.0022 (17)
C60.023 (2)0.031 (2)0.0218 (19)−0.0015 (17)0.0021 (16)0.0003 (16)
C70.024 (2)0.032 (2)0.0196 (18)−0.0026 (17)0.0035 (16)−0.0001 (16)
C80.0188 (19)0.0265 (19)0.0219 (19)−0.0012 (15)0.0067 (15)−0.0016 (15)
C90.030 (2)0.027 (2)0.030 (2)−0.0011 (17)0.0087 (17)0.0014 (17)
C100.038 (2)0.024 (2)0.039 (2)−0.0020 (17)0.0107 (19)−0.0021 (17)
C110.038 (3)0.031 (2)0.047 (3)0.0040 (19)0.004 (2)0.005 (2)
C120.048 (3)0.030 (2)0.072 (3)−0.001 (2)0.006 (3)0.010 (2)
C130.062 (4)0.038 (3)0.088 (4)0.001 (3)0.022 (3)−0.010 (3)
C140.077 (5)0.040 (3)0.110 (6)0.004 (3)0.006 (4)−0.022 (3)
C150.023 (2)0.025 (2)0.0232 (19)0.0055 (15)0.0076 (16)0.0023 (15)
C160.028 (2)0.031 (2)0.0214 (18)0.0040 (17)0.0047 (16)−0.0016 (16)
C170.030 (2)0.027 (2)0.028 (2)0.0006 (17)0.0053 (17)0.0007 (16)
C180.039 (3)0.034 (2)0.028 (2)0.0077 (19)0.0099 (19)0.0101 (17)
C190.034 (2)0.035 (2)0.0196 (18)0.0064 (18)0.0042 (16)0.0023 (16)
C200.028 (2)0.032 (2)0.0205 (19)0.0081 (17)0.0069 (16)−0.0001 (16)
C210.026 (2)0.038 (2)0.0183 (18)0.0055 (18)0.0022 (16)0.0006 (17)
C220.020 (2)0.034 (2)0.031 (2)−0.0013 (16)0.0036 (17)−0.0095 (18)
C230.039 (3)0.034 (2)0.033 (2)−0.006 (2)0.002 (2)−0.0093 (19)
C240.047 (3)0.034 (2)0.038 (2)−0.002 (2)0.004 (2)−0.010 (2)
C250.040 (3)0.037 (2)0.041 (2)−0.003 (2)0.008 (2)−0.011 (2)
C260.083 (4)0.040 (3)0.048 (3)0.006 (3)−0.001 (3)−0.015 (2)
C270.103 (6)0.078 (4)0.047 (3)0.005 (4)0.008 (4)−0.016 (3)
C280.134 (8)0.128 (7)0.074 (5)0.005 (6)0.017 (5)−0.048 (5)
Cu1—N11.919 (4)C11—H11A0.9900
Cu1—O11.946 (3)C11—H11B0.9900
Cu1—O21.952 (3)C12—C131.515 (8)
Cu1—S12.2171 (10)C12—H12A0.9900
Cu1—Cu22.9923 (6)C12—H12B0.9900
Cu2—N31.931 (4)C13—C141.522 (7)
Cu2—O21.963 (2)C13—H13A0.9900
Cu2—O11.982 (3)C13—H13B0.9900
Cu2—S32.2352 (11)C14—H14A0.9800
S1—C81.739 (4)C14—H14B0.9800
S2—C81.762 (4)C14—H14C0.9800
S2—C91.819 (4)C15—C161.394 (6)
S3—C221.739 (4)C15—C201.415 (6)
S4—C221.751 (4)C16—C171.383 (6)
S4—C231.817 (4)C16—H160.9500
O1—C11.337 (5)C17—C181.398 (6)
O2—C151.343 (5)C17—H170.9500
N1—C71.299 (5)C18—C191.359 (6)
N1—N21.399 (5)C18—H180.9500
N2—C81.289 (5)C19—C201.423 (6)
N3—C211.293 (5)C19—H190.9500
N3—N41.406 (5)C20—C211.428 (6)
N4—C221.295 (5)C21—H210.9500
C1—C21.407 (6)C23—C241.522 (6)
C1—C61.416 (5)C23—H23A0.9900
C2—C31.366 (6)C23—H23B0.9900
C2—H20.9500C24—C251.513 (6)
C3—C41.396 (6)C24—H24A0.9900
C3—H30.9500C24—H24B0.9900
C4—C51.366 (6)C25—C261.507 (6)
C4—H40.9500C25—H25A0.9900
C5—C61.415 (6)C25—H25B0.9900
C5—H50.9500C26—C271.517 (8)
C6—C71.434 (6)C26—H26A0.9900
C7—H70.9500C26—H26B0.9900
C9—C101.524 (5)C27—C281.468 (9)
C9—H9A0.9900C27—H27A0.9900
C9—H9B0.9900C27—H27B0.9900
C10—C111.527 (6)C28—H28A0.9800
C10—H10A0.9900C28—H28B0.9800
C10—H10B0.9900C28—H28C0.9800
C11—C121.525 (6)
N1—Cu1—O193.65 (12)H11A—C11—H11B107.7
N1—Cu1—O2169.54 (14)C13—C12—C11114.5 (4)
O1—Cu1—O278.10 (11)C13—C12—H12A108.6
N1—Cu1—S187.40 (10)C11—C12—H12A108.6
O1—Cu1—S1170.18 (10)C13—C12—H12B108.6
O2—Cu1—S1101.83 (8)C11—C12—H12B108.6
N1—Cu1—Cu2133.36 (9)H12A—C12—H12B107.6
O1—Cu1—Cu240.83 (8)C12—C13—C14112.6 (5)
O2—Cu1—Cu240.28 (7)C12—C13—H13A109.1
S1—Cu1—Cu2135.36 (3)C14—C13—H13A109.1
N3—Cu2—O291.89 (13)C12—C13—H13B109.1
N3—Cu2—O1168.85 (12)C14—C13—H13B109.1
O2—Cu2—O177.02 (11)H13A—C13—H13B107.8
N3—Cu2—S387.22 (11)C13—C14—H14A109.5
O2—Cu2—S3165.65 (10)C13—C14—H14B109.5
O1—Cu2—S3103.25 (9)H14A—C14—H14B109.5
N3—Cu2—Cu1129.13 (10)C13—C14—H14C109.5
O2—Cu2—Cu140.03 (8)H14A—C14—H14C109.5
O1—Cu2—Cu139.94 (8)H14B—C14—H14C109.5
S3—Cu2—Cu1134.33 (3)O2—C15—C16120.9 (3)
C8—S1—Cu193.33 (13)O2—C15—C20120.6 (3)
C8—S2—C9103.67 (19)C16—C15—C20118.5 (4)
C22—S3—Cu292.80 (14)C17—C16—C15121.3 (4)
C22—S4—C23102.5 (2)C17—C16—H16119.3
C1—O1—Cu1127.4 (3)C15—C16—H16119.3
C1—O1—Cu2133.4 (2)C16—C17—C18120.6 (4)
Cu1—O1—Cu299.23 (12)C16—C17—H17119.7
C15—O2—Cu1132.7 (2)C18—C17—H17119.7
C15—O2—Cu2127.6 (2)C19—C18—C17119.0 (4)
Cu1—O2—Cu299.69 (12)C19—C18—H18120.5
C7—N1—N2114.5 (3)C17—C18—H18120.5
C7—N1—Cu1125.6 (3)C18—C19—C20122.0 (4)
N2—N1—Cu1119.9 (2)C18—C19—H19119.0
C8—N2—N1112.8 (3)C20—C19—H19119.0
C21—N3—N4113.9 (3)C15—C20—C19118.5 (4)
C21—N3—Cu2126.2 (3)C15—C20—C21125.1 (4)
N4—N3—Cu2119.8 (3)C19—C20—C21116.3 (4)
C22—N4—N3112.2 (3)N3—C21—C20126.1 (4)
O1—C1—C2120.5 (4)N3—C21—H21117.0
O1—C1—C6121.6 (4)C20—C21—H21117.0
C2—C1—C6117.9 (4)N4—C22—S3127.2 (3)
C3—C2—C1121.6 (4)N4—C22—S4119.1 (3)
C3—C2—H2119.2S3—C22—S4113.6 (2)
C1—C2—H2119.2C24—C23—S4108.5 (3)
C2—C3—C4121.0 (4)C24—C23—H23A110.0
C2—C3—H3119.5S4—C23—H23A110.0
C4—C3—H3119.5C24—C23—H23B110.0
C5—C4—C3118.8 (4)S4—C23—H23B110.0
C5—C4—H4120.6H23A—C23—H23B108.4
C3—C4—H4120.6C25—C24—C23112.2 (4)
C4—C5—C6122.0 (4)C25—C24—H24A109.2
C4—C5—H5119.0C23—C24—H24A109.2
C6—C5—H5119.0C25—C24—H24B109.2
C5—C6—C1118.7 (4)C23—C24—H24B109.2
C5—C6—C7116.3 (4)H24A—C24—H24B107.9
C1—C6—C7125.0 (4)C26—C25—C24114.6 (4)
N1—C7—C6126.1 (4)C26—C25—H25A108.6
N1—C7—H7117.0C24—C25—H25A108.6
C6—C7—H7117.0C26—C25—H25B108.6
N2—C8—S1126.4 (3)C24—C25—H25B108.6
N2—C8—S2113.6 (3)H25A—C25—H25B107.6
S1—C8—S2120.0 (2)C25—C26—C27113.7 (5)
C10—C9—S2110.0 (3)C25—C26—H26A108.8
C10—C9—H9A109.7C27—C26—H26A108.8
S2—C9—H9A109.7C25—C26—H26B108.8
C10—C9—H9B109.7C27—C26—H26B108.8
S2—C9—H9B109.7H26A—C26—H26B107.7
H9A—C9—H9B108.2C28—C27—C26115.6 (6)
C9—C10—C11110.3 (4)C28—C27—H27A108.4
C9—C10—H10A109.6C26—C27—H27A108.4
C11—C10—H10A109.6C28—C27—H27B108.4
C9—C10—H10B109.6C26—C27—H27B108.4
C11—C10—H10B109.6H27A—C27—H27B107.4
H10A—C10—H10B108.1C27—C28—H28A109.5
C12—C11—C10113.5 (4)C27—C28—H28B109.5
C12—C11—H11A108.9H28A—C28—H28B109.5
C10—C11—H11A108.9C27—C28—H28C109.5
C12—C11—H11B108.9H28A—C28—H28C109.5
C10—C11—H11B108.9H28B—C28—H28C109.5
D—H···AD—HH···AD···AD—H···A
C19—H19···N2i0.952.523.457 (5)167
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯A D—HH⋯A DA D—H⋯A
C19—H19⋯N2i 0.952.523.457 (5)167

Symmetry code: (i) .

  4 in total

1.  Biological activity of palladium(II) and platinum(II) complexes of the acetone Schiff bases of S-methyl- and S-benzyldithiocarbazate and the X-ray crystal structure of the [Pd(asme)2] (asme=anionic form of the acetone Schiff base of S-methyldithiocarbazate) complex.

Authors:  Mohammad Akbar Ali; Aminul Huq Mirza; Raymond J Butcher; M T H Tarafder; Tan Boon Keat; A Manaf Ali
Journal:  J Inorg Biochem       Date:  2002-11-25       Impact factor: 4.155

2.  Bis[benzyl N'-(3-phenyl-prop-2-enyl-idene)hydrazinecarbodithio-ato-κN',S]copper(II).

Authors:  M T H Tarafder; M Toihidul Islam; M A A A A Islam; Suchada Chantrapromma; Hoong-Kun Fun
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2008-01-25

3.  Crystal structure refinement with SHELXL.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr C Struct Chem       Date:  2015-01-01       Impact factor: 1.172

4.  Use of intensity quotients and differences in absolute structure refinement.

Authors:  Simon Parsons; Howard D Flack; Trixie Wagner
Journal:  Acta Crystallogr B Struct Sci Cryst Eng Mater       Date:  2013-05-17
  4 in total

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