metal-organic compounds
Bis{N-benzyl-N-[2-(thiophen-2-yl)ethyl]dithiocarbamato-κ2S,S′}lead(II)
aDepartment of Chemistry, Annamalai University, Annamalainagar 608 002, India, bLaboratory of X-ray Crystallography, Indian Institute of Chemical Technology, Hyderabad 500 007, India, and cDepartment of Physics, Kalasalingam University, Krishnankoil 626 126, India
*Correspondence e-mail: s_selvanayagam@rediffmail.com
The molecule of the title compound, [Pb(C14H14NS3)2], is located on a twofold rotation axis. The dithiocarbamate anion S,S′-chelates to the PbII atom, which shows a Ψ-trigonal–bipyramidal coordination. The thiophene ring is disordered over two positions, the major component having 71.3 (7)% occupancy. The molecular conformation is stabilized by intramolecular C—H⋯S interactions.
Related literature
For a related structure, see: Sathiyaraj et al. (2012). For the superposition of structures, see: Gans & Shalloway (2001).
Experimental
Crystal data
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Data collection: SMART (Bruker, 2001); cell SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SIR92 (Altomare et al., 1993); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL2013 and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536813019259/ng5336sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536813019259/ng5336Isup2.hkl
Benzyl(2-(thiophene-2-yl)ethyl)amine (4 mmol) and carbon disulfide (4 mmol) were dissolved in ethanol (20ml) and stirred for 30minutes. To this solution, an aqueous solution (100 ml) of Pb(NO3)2 (2 mmol) was added with constant stirring. A pale yellow powder precipitated that was filtered and dried. Single crystals of (I) were obtained by slow evaporation of dichloromethane and acetone (1:1) solution of the title compound at room temperature.
H atoms were placed in idealized positions and allowed to ride on their parent atoms, with C—H distances of 0.93-0.97 Å, and Uiso(H) = 1.2Ueq(C) for H atoms. The thiophene ring is disordered over two positions, with a major component being 71.3 (7)%. Pairs of C—S, C—C and C=C bond distances were restrained to 1.74 (1), 1.43 (1) and 1.37 (1) Å, respectively. The bond distances C3—C4 and C3—C4' were restrained to within 0.01 Å of each other. The temperature factors of C5' was set to those of S3 (as were these pairs: C4' to C4, S3' to C5, C6' to C6 and C7' to C7). The planarity of thiophene ring atoms were restrained to within 0.01 Å3 of each other. Pairs of C—S and C—C 1,3 bond distances were restrained to the values of 2.58 (1) and 2.33 (1) Å, respectively.
Data collection: SMART (Bruker, 2001); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); program(s) used to solve structure: SIR92 (Altomare et al., 1993); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL2013 (Sheldrick, 2008); PLATON (Spek, 2009).[Pb(C14H14NS3)2] | F(000) = 1552 |
Mr = 792.07 | Dx = 1.799 Mg m−3 |
Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
a = 27.459 (2) Å | Cell parameters from 8428 reflections |
b = 5.5580 (4) Å | θ = 2.5–27.6° |
c = 19.4670 (15) Å | µ = 6.22 mm−1 |
β = 100.168 (2)° | T = 292 K |
V = 2924.3 (4) Å3 | Needle, yellow |
Z = 4 | 0.20 × 0.08 × 0.06 mm |
Bruker SMART APEX CCD area-detector diffractometer | 3089 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.023 |
ω scans | θmax = 28.0°, θmin = 2.1° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −35→35 |
Tmin = 0.699, Tmax = 0.707 | k = −7→7 |
16187 measured reflections | l = −25→25 |
3487 independent reflections |
Refinement on F2 | 23 restraints |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.026 | H-atom parameters constrained |
wR(F2) = 0.074 | w = 1/[σ2(Fo2) + (0.0483P)2 + 2.5197P] where P = (Fo2 + 2Fc2)/3 |
S = 1.01 | (Δ/σ)max = 0.001 |
3487 reflections | Δρmax = 0.91 e Å−3 |
172 parameters | Δρmin = −0.84 e Å−3 |
[Pb(C14H14NS3)2] | V = 2924.3 (4) Å3 |
Mr = 792.07 | Z = 4 |
Monoclinic, C2/c | Mo Kα radiation |
a = 27.459 (2) Å | µ = 6.22 mm−1 |
b = 5.5580 (4) Å | T = 292 K |
c = 19.4670 (15) Å | 0.20 × 0.08 × 0.06 mm |
β = 100.168 (2)° |
Bruker SMART APEX CCD area-detector diffractometer | 3487 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 3089 reflections with I > 2σ(I) |
Tmin = 0.699, Tmax = 0.707 | Rint = 0.023 |
16187 measured reflections |
R[F2 > 2σ(F2)] = 0.026 | 23 restraints |
wR(F2) = 0.074 | H-atom parameters constrained |
S = 1.01 | Δρmax = 0.91 e Å−3 |
3487 reflections | Δρmin = −0.84 e Å−3 |
172 parameters |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
Pb1 | 0.5000 | 1.14399 (3) | 0.7500 | 0.06000 (9) | |
S1 | 0.42993 (3) | 0.80812 (17) | 0.71606 (4) | 0.0567 (2) | |
S2 | 0.49150 (3) | 0.95155 (16) | 0.61228 (4) | 0.05250 (18) | |
N1 | 0.42564 (10) | 0.5970 (5) | 0.59289 (13) | 0.0471 (5) | |
C1 | 0.44701 (10) | 0.7691 (6) | 0.63555 (14) | 0.0422 (5) | |
C2 | 0.38975 (13) | 0.4246 (6) | 0.61323 (18) | 0.0540 (7) | |
H2A | 0.3901 | 0.4389 | 0.6630 | 0.065* | |
H2B | 0.4000 | 0.2623 | 0.6042 | 0.065* | |
C3 | 0.33791 (14) | 0.4638 (10) | 0.5748 (3) | 0.0812 (13) | |
H3A | 0.3287 | 0.6302 | 0.5805 | 0.097* | |
H3B | 0.3370 | 0.4356 | 0.5255 | 0.097* | |
S3 | 0.28129 (10) | 0.3223 (5) | 0.67259 (11) | 0.0953 (8) | 0.713 (7) |
C4 | 0.3015 (4) | 0.3061 (14) | 0.5993 (4) | 0.0749 (18) | 0.713 (7) |
C5 | 0.2819 (4) | 0.1084 (14) | 0.5602 (4) | 0.098 (2) | 0.713 (7) |
H5 | 0.2893 | 0.0692 | 0.5168 | 0.118* | 0.713 (7) |
C6 | 0.2487 (2) | −0.0298 (10) | 0.5950 (4) | 0.087 (2) | 0.713 (7) |
H6 | 0.2320 | −0.1674 | 0.5766 | 0.105* | 0.713 (7) |
C7 | 0.2449 (3) | 0.0673 (15) | 0.6581 (4) | 0.096 (3) | 0.713 (7) |
H7 | 0.2256 | 0.0057 | 0.6887 | 0.115* | 0.713 (7) |
S3' | 0.2817 (3) | 0.0438 (10) | 0.5716 (4) | 0.098 (2) | 0.287 (7) |
C4' | 0.3056 (10) | 0.273 (4) | 0.5972 (14) | 0.0749 (18) | 0.287 (7) |
C5' | 0.2874 (9) | 0.372 (3) | 0.6629 (9) | 0.0953 (8) | 0.287 (7) |
H5' | 0.2978 | 0.5133 | 0.6868 | 0.114* | 0.287 (7) |
C6' | 0.2511 (6) | 0.204 (3) | 0.6800 (6) | 0.087 (2) | 0.287 (7) |
H6' | 0.2344 | 0.2224 | 0.7174 | 0.105* | 0.287 (7) |
C7' | 0.2443 (6) | 0.015 (3) | 0.6342 (9) | 0.096 (3) | 0.287 (7) |
H7' | 0.2226 | −0.1114 | 0.6364 | 0.115* | 0.287 (7) |
C8 | 0.44094 (12) | 0.5488 (6) | 0.52616 (16) | 0.0519 (7) | |
H8A | 0.4392 | 0.3766 | 0.5180 | 0.062* | |
H8B | 0.4753 | 0.5963 | 0.5298 | 0.062* | |
C9 | 0.41122 (7) | 0.6731 (3) | 0.46313 (8) | 0.0426 (6) | |
C10 | 0.41287 (8) | 0.5775 (3) | 0.39761 (10) | 0.0541 (7) | |
H10 | 0.4307 | 0.4373 | 0.3936 | 0.065* | |
C11 | 0.38794 (9) | 0.6913 (4) | 0.33807 (8) | 0.0647 (9) | |
H11 | 0.3890 | 0.6273 | 0.2942 | 0.078* | |
C12 | 0.36135 (9) | 0.9008 (4) | 0.34405 (9) | 0.0665 (9) | |
H12 | 0.3447 | 0.9769 | 0.3042 | 0.080* | |
C13 | 0.35970 (8) | 0.9964 (3) | 0.40957 (11) | 0.0597 (8) | |
H13 | 0.3419 | 1.1366 | 0.4136 | 0.072* | |
C14 | 0.38463 (8) | 0.8826 (3) | 0.46911 (8) | 0.0513 (7) | |
H14 | 0.3835 | 0.9466 | 0.5129 | 0.062* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Pb1 | 0.06332 (13) | 0.04215 (11) | 0.06445 (13) | 0.000 | −0.01642 (8) | 0.000 |
S1 | 0.0622 (5) | 0.0666 (5) | 0.0418 (4) | −0.0148 (4) | 0.0101 (3) | −0.0066 (3) |
S2 | 0.0442 (4) | 0.0575 (4) | 0.0549 (4) | −0.0057 (3) | 0.0064 (3) | 0.0094 (3) |
N1 | 0.0475 (13) | 0.0506 (13) | 0.0428 (12) | −0.0029 (10) | 0.0064 (10) | −0.0014 (10) |
C1 | 0.0369 (12) | 0.0451 (14) | 0.0425 (13) | 0.0017 (11) | 0.0009 (10) | 0.0046 (12) |
C2 | 0.0555 (17) | 0.0498 (16) | 0.0543 (17) | −0.0029 (14) | 0.0028 (14) | 0.0007 (14) |
C3 | 0.0510 (19) | 0.089 (3) | 0.101 (3) | 0.0012 (19) | 0.0061 (19) | 0.044 (3) |
S3 | 0.0902 (14) | 0.1277 (18) | 0.0723 (11) | −0.0234 (11) | 0.0257 (9) | 0.0052 (10) |
C4 | 0.046 (2) | 0.079 (4) | 0.098 (3) | 0.007 (3) | 0.009 (2) | 0.036 (3) |
C5 | 0.103 (2) | 0.046 (3) | 0.157 (4) | −0.014 (2) | 0.054 (3) | −0.011 (3) |
C6 | 0.070 (3) | 0.071 (4) | 0.119 (6) | −0.005 (3) | 0.011 (4) | 0.031 (4) |
C7 | 0.062 (3) | 0.120 (6) | 0.103 (7) | −0.022 (3) | 0.011 (4) | 0.056 (6) |
S3' | 0.103 (2) | 0.046 (3) | 0.157 (4) | −0.014 (2) | 0.054 (3) | −0.011 (3) |
C4' | 0.046 (2) | 0.079 (4) | 0.098 (3) | 0.007 (3) | 0.009 (2) | 0.036 (3) |
C5' | 0.0902 (14) | 0.1277 (18) | 0.0723 (11) | −0.0234 (11) | 0.0257 (9) | 0.0052 (10) |
C6' | 0.070 (3) | 0.071 (4) | 0.119 (6) | −0.005 (3) | 0.011 (4) | 0.031 (4) |
C7' | 0.062 (3) | 0.120 (6) | 0.103 (7) | −0.022 (3) | 0.011 (4) | 0.056 (6) |
C8 | 0.0540 (16) | 0.0537 (17) | 0.0485 (15) | 0.0076 (14) | 0.0106 (13) | −0.0070 (14) |
C9 | 0.0415 (13) | 0.0436 (14) | 0.0439 (14) | −0.0071 (11) | 0.0109 (11) | −0.0057 (11) |
C10 | 0.0554 (17) | 0.0604 (18) | 0.0488 (16) | −0.0032 (14) | 0.0157 (14) | −0.0080 (14) |
C11 | 0.071 (2) | 0.084 (3) | 0.0416 (16) | −0.0063 (19) | 0.0158 (16) | −0.0065 (16) |
C12 | 0.066 (2) | 0.081 (2) | 0.0514 (18) | −0.0083 (18) | 0.0062 (16) | 0.0150 (17) |
C13 | 0.0651 (19) | 0.0493 (17) | 0.0624 (19) | −0.0014 (15) | 0.0049 (16) | 0.0041 (15) |
C14 | 0.0577 (18) | 0.0453 (16) | 0.0498 (16) | −0.0026 (13) | 0.0062 (14) | −0.0076 (12) |
Pb1—S1i | 2.6785 (9) | C7—H7 | 0.9300 |
Pb1—S1 | 2.6785 (9) | S3'—C4' | 1.48 (2) |
Pb1—S2 | 2.8575 (9) | S3'—C7' | 1.733 (9) |
Pb1—S2i | 2.8576 (9) | C4'—C5' | 1.56 (3) |
S1—C1 | 1.727 (3) | C5'—C6' | 1.446 (9) |
S2—C1 | 1.709 (3) | C5'—H5' | 0.9300 |
N1—C1 | 1.333 (4) | C6'—C7' | 1.369 (9) |
N1—C8 | 1.459 (4) | C6'—H6' | 0.9300 |
N1—C2 | 1.478 (4) | C7'—H7' | 0.9300 |
C2—C3 | 1.502 (5) | C8—C9 | 1.515 (4) |
C2—H2A | 0.9700 | C8—H8A | 0.9700 |
C2—H2B | 0.9700 | C8—H8B | 0.9700 |
C3—C4 | 1.471 (6) | C9—C10 | 1.3900 |
C3—C4' | 1.497 (10) | C9—C14 | 1.3900 |
C3—H3A | 0.9700 | C10—C11 | 1.3900 |
C3—H3B | 0.9700 | C10—H10 | 0.9300 |
S3—C4 | 1.622 (7) | C11—C12 | 1.3900 |
S3—C7 | 1.728 (7) | C11—H11 | 0.9300 |
C4—C5 | 1.389 (8) | C12—C13 | 1.3900 |
C5—C6 | 1.449 (7) | C12—H12 | 0.9300 |
C5—H5 | 0.9300 | C13—C14 | 1.3900 |
C6—C7 | 1.361 (7) | C13—H13 | 0.9300 |
C6—H6 | 0.9300 | C14—H14 | 0.9300 |
S1i—Pb1—S1 | 91.64 (5) | S3—C7—H7 | 125.1 |
S1i—Pb1—S2 | 84.65 (2) | C4'—S3'—C7' | 97.1 (11) |
S1—Pb1—S2 | 64.63 (2) | S3'—C4'—C3 | 140 (2) |
S1i—Pb1—S2i | 64.63 (2) | S3'—C4'—C5' | 113.3 (10) |
S1—Pb1—S2i | 84.65 (2) | C3—C4'—C5' | 106.3 (15) |
S2—Pb1—S2i | 136.04 (3) | C6'—C5'—C4' | 107.1 (7) |
C1—S1—Pb1 | 90.74 (10) | C6'—C5'—H5' | 126.4 |
C1—S2—Pb1 | 85.25 (10) | C4'—C5'—H5' | 126.4 |
C1—N1—C8 | 121.5 (3) | C7'—C6'—C5' | 111.3 (6) |
C1—N1—C2 | 122.7 (3) | C7'—C6'—H6' | 124.3 |
C8—N1—C2 | 115.5 (3) | C5'—C6'—H6' | 124.3 |
N1—C1—S2 | 121.2 (2) | C6'—C7'—S3' | 111.1 (7) |
N1—C1—S1 | 119.7 (2) | C6'—C7'—H7' | 124.4 |
S2—C1—S1 | 119.17 (18) | S3'—C7'—H7' | 124.4 |
N1—C2—C3 | 113.0 (3) | N1—C8—C9 | 116.0 (2) |
N1—C2—H2A | 109.0 | N1—C8—H8A | 108.3 |
C3—C2—H2A | 109.0 | C9—C8—H8A | 108.3 |
N1—C2—H2B | 109.0 | N1—C8—H8B | 108.3 |
C3—C2—H2B | 109.0 | C9—C8—H8B | 108.3 |
H2A—C2—H2B | 107.8 | H8A—C8—H8B | 107.4 |
C4—C3—C2 | 113.0 (5) | C10—C9—C14 | 120.0 |
C4'—C3—C2 | 108.1 (12) | C10—C9—C8 | 117.94 (16) |
C4—C3—H3A | 109.0 | C14—C9—C8 | 122.00 (16) |
C2—C3—H3A | 109.0 | C11—C10—C9 | 120.0 |
C4—C3—H3B | 109.0 | C11—C10—H10 | 120.0 |
C2—C3—H3B | 109.0 | C9—C10—H10 | 120.0 |
H3A—C3—H3B | 107.8 | C12—C11—C10 | 120.0 |
C4—S3—C7 | 95.1 (3) | C12—C11—H11 | 120.0 |
C5—C4—C3 | 120.9 (7) | C10—C11—H11 | 120.0 |
C5—C4—S3 | 111.5 (4) | C11—C12—C13 | 120.0 |
C3—C4—S3 | 127.6 (5) | C11—C12—H12 | 120.0 |
C4—C5—C6 | 112.2 (5) | C13—C12—H12 | 120.0 |
C4—C5—H5 | 123.9 | C14—C13—C12 | 120.0 |
C6—C5—H5 | 123.9 | C14—C13—H13 | 120.0 |
C7—C6—C5 | 111.4 (5) | C12—C13—H13 | 120.0 |
C7—C6—H6 | 124.3 | C13—C14—C9 | 120.0 |
C5—C6—H6 | 124.3 | C13—C14—H14 | 120.0 |
C6—C7—S3 | 109.8 (4) | C9—C14—H14 | 120.0 |
C6—C7—H7 | 125.1 | ||
C8—N1—C1—S2 | 3.1 (4) | C7'—S3'—C4'—C3 | −169 (4) |
C2—N1—C1—S2 | 175.4 (2) | C7'—S3'—C4'—C5' | 0.01 (16) |
C8—N1—C1—S1 | −176.5 (2) | C4—C3—C4'—S3' | 132 (12) |
C2—N1—C1—S1 | −4.1 (4) | C2—C3—C4'—S3' | −102 (3) |
Pb1—S2—C1—N1 | −175.3 (2) | C4—C3—C4'—C5' | −38 (9) |
Pb1—S2—C1—S1 | 4.30 (16) | C2—C3—C4'—C5' | 88.1 (9) |
Pb1—S1—C1—N1 | 175.0 (2) | S3'—C4'—C5'—C6' | 0.0 (2) |
Pb1—S1—C1—S2 | −4.57 (17) | C3—C4'—C5'—C6' | 173 (2) |
C1—N1—C2—C3 | 110.3 (4) | C4'—C5'—C6'—C7' | 0.0 (4) |
C8—N1—C2—C3 | −76.9 (4) | C5'—C6'—C7'—S3' | 0.0 (5) |
N1—C2—C3—C4 | −175.1 (5) | C4'—S3'—C7'—C6' | 0.0 (4) |
N1—C2—C3—C4' | 177.4 (13) | C1—N1—C8—C9 | −94.7 (3) |
C4'—C3—C4—C5 | −48 (9) | C2—N1—C8—C9 | 92.4 (3) |
C2—C3—C4—C5 | −104.5 (6) | N1—C8—C9—C10 | −159.4 (2) |
C4'—C3—C4—S3 | 129 (10) | N1—C8—C9—C14 | 23.5 (4) |
C2—C3—C4—S3 | 71.9 (10) | C14—C9—C10—C11 | 0.0 |
C7—S3—C4—C5 | 0.00 (15) | C8—C9—C10—C11 | −177.2 (2) |
C7—S3—C4—C3 | −176.7 (11) | C9—C10—C11—C12 | 0.0 |
C3—C4—C5—C6 | 177.2 (10) | C10—C11—C12—C13 | 0.0 |
S3—C4—C5—C6 | 0.2 (2) | C11—C12—C13—C14 | 0.0 |
C4—C5—C6—C7 | −0.4 (4) | C12—C13—C14—C9 | 0.0 |
C5—C6—C7—S3 | 0.4 (4) | C10—C9—C14—C13 | 0.0 |
C4—S3—C7—C6 | −0.2 (3) | C8—C9—C14—C13 | 177.1 (2) |
Symmetry code: (i) −x+1, y, −z+3/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
C2—H2A···S1 | 0.97 | 2.47 | 2.998 (4) | 114 |
C8—H8B···S2 | 0.97 | 2.53 | 2.988 (4) | 109 |
D—H···A | D—H | H···A | D···A | D—H···A |
C2—H2A···S1 | 0.97 | 2.47 | 2.998 (4) | 114.3 |
C8—H8B···S2 | 0.97 | 2.53 | 2.988 (4) | 108.6 |
Acknowledgements
ES is thankful to the University Grants Commission (UGC), India, for the award of a BSR–SAP research fellowship. SS acknowledges the Department of Science and Technology (DST), India, for providing computing facilities under the DST Fast-Track Scheme.
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In continuation of our work on the crystal structure analysis of lead complexes, we have undertaken a single-crystal X-ray diffraction study for the title compound, and the results are presented here.
The X-ray study confirmed the molecular structure and atomic connectivity for (I), as illustrated in Fig. 1. The Pb atom is coordinated by four sulfur atom from two dithiocarbamate anions. The asymmetry in Pb-S bonds suggests that the lone pair on Pb(II) is stereochemically active. The geometry of this coordination PbS4 polyhedron is trigonal bipyramid. The geometry is similar to that reported for bis[N-benzyl-N-(2-phenylethyl)dithiocarbamato]lead(II) (Sathiyaraj et al., 2012).The superposition of the coordination polyhedron (PbS4) of (I) with this related reported structure, using Qmol (Gans & Shalloway, 2001) shows the r.m.s. deviation is 0.005 Å.
The sum of the angles at N1 [359.7°] is in accordance with sp2 hybridization. The thiophene ring is disordered over two positions, with a major component being 71.3 (7)%. The dihedral angles between the phenyl and the major and minor components of the thiophene ring are 74.8 (1) and 74.7 (1)°, respectively.
In addition to the van der Waals interactions, the molecular structure is influenced only by intramolecular C—H···S hydrogen bonds.