metal-organic compounds
1-(4-Iodobenzyl)-3-methylpyridinium bis(benzene-1,2-dithiolato)nickelate(III)
aSchool of Biochemical and Environmental Engineering, Nanjing Xiaozhuang University, Nanjing 211171, People's Republic of China
*Correspondence e-mail: njuliugx@gmail.com
The 13H13IN)[Ni(C6H4S2)2], contains half each of two centrosymmetric anions and a single cation in a general position. In the anions, the NiIII ions are surrounded by four S atoms in a distorted square-planar geometry. In the crystal, the anions exhibit two different packing modes by stacking along the a axis in face-to-face and side-by-side fashions. Interionic C—H⋯S hydrogen bonds and π–π stacking interactions [centroid–centroid distance = 3.6947 (5) Å] are observed.
of the title compound, (CRelated literature
For background to the synthesis and properties of metal complexes of dithiolato and dithiolene ligands, see: Robertson & Cronin (2002); Kato (2004); Cassoux (1999); Canadell (1999); Akutagawa & Nakamura (2000); Ren et al. (2002, 2004, 2008). For the structure of a related compound, see: Liu et al. (2007).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2000); cell SAINT (Bruker, 2000); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536811043522/rz2652sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811043522/rz2652Isup2.hkl
Under argon atmosphere at room temperature, benzene-1,2-dithiol (284 mg, 2 mmol) was added to a solution of sodium metal (92 mg, 4 mmol) in absolute methanol (25 ml. A solution of NiCl2.6H2O (240 mg, 1 mmol) in methanol was then added, resulting in the formation of a muddy red-brown colour. Following this, 1-(4-iodobenzyl)-3-methylpyridinium bromide (780 mg, 2 mmol) was added, the mixture allowed to stand with stirring for 1 h and then stirred for additional 24 h in air. The colour of the mixture gradually turned green, indicating oxidation from a dianionic species to the more stable monoanionic form. The precipitate was washed with absolute methanol and ether and then dried. The crude product was recrystallized twice from methylene chloride to give dark green crystals suitable for X-ray analysis in ~52% yield.
H atoms were positioned geometrically, with C—H = 0.93, 0.97 and 0.96 Å for aromatic, methylene and methyl H atoms, respectively, and constrained to ride on their parent atoms, with Uiso(H) = x Ueq(C), where x = 1.5 for methyl H and x = 1.2 for all other H atoms. The highest peak (1.52 e\&A-3) and the deepest hole (-1.91 e\&A-3) are located 1.00 and 0.96 Å, respectively, from I1.
Data collection: SMART (Bruker, 2000); cell
SAINT (Bruker, 2000); data reduction: SAINT (Bruker, 2000); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).(C13H13IN)[Ni(C6H4S2)2] | Z = 2 |
Mr = 649.28 | F(000) = 646 |
Triclinic, P1 | Dx = 1.692 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 7.3222 (14) Å | Cell parameters from 2848 reflections |
b = 12.267 (2) Å | θ = 2.4–27.0° |
c = 14.628 (3) Å | µ = 2.32 mm−1 |
α = 98.425 (2)° | T = 296 K |
β = 98.466 (2)° | Block, dark green |
γ = 96.216 (3)° | 0.26 × 0.20 × 0.12 mm |
V = 1274.2 (4) Å3 |
Bruker SMART APEX CCD area-detector diffractometer | 4392 independent reflections |
Radiation source: sealed tube | 3397 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.030 |
ϕ and ω scans | θmax = 25.0°, θmin = 1.4° |
Absorption correction: multi-scan (SADABS; Bruker, 2000) | h = −8→8 |
Tmin = 0.584, Tmax = 0.769 | k = −14→13 |
6282 measured reflections | l = −17→17 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.056 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.196 | H-atom parameters constrained |
S = 1.09 | w = 1/[σ2(Fo2) + (0.1231P)2 + 0.2746P] where P = (Fo2 + 2Fc2)/3 |
4392 reflections | (Δ/σ)max = 0.001 |
293 parameters | Δρmax = 1.52 e Å−3 |
0 restraints | Δρmin = −1.91 e Å−3 |
(C13H13IN)[Ni(C6H4S2)2] | γ = 96.216 (3)° |
Mr = 649.28 | V = 1274.2 (4) Å3 |
Triclinic, P1 | Z = 2 |
a = 7.3222 (14) Å | Mo Kα radiation |
b = 12.267 (2) Å | µ = 2.32 mm−1 |
c = 14.628 (3) Å | T = 296 K |
α = 98.425 (2)° | 0.26 × 0.20 × 0.12 mm |
β = 98.466 (2)° |
Bruker SMART APEX CCD area-detector diffractometer | 4392 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2000) | 3397 reflections with I > 2σ(I) |
Tmin = 0.584, Tmax = 0.769 | Rint = 0.030 |
6282 measured reflections |
R[F2 > 2σ(F2)] = 0.056 | 0 restraints |
wR(F2) = 0.196 | H-atom parameters constrained |
S = 1.09 | Δρmax = 1.52 e Å−3 |
4392 reflections | Δρmin = −1.91 e Å−3 |
293 parameters |
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 of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
x | y | z | Uiso*/Ueq | ||
Ni1 | 0.5000 | 0.0000 | 0.5000 | 0.0571 (3) | |
Ni2 | 0.5000 | 1.0000 | 1.0000 | 0.0538 (3) | |
S1 | 0.5791 (2) | 0.17354 (14) | 0.49920 (11) | 0.0667 (4) | |
S2 | 0.4882 (2) | 0.03099 (14) | 0.64783 (11) | 0.0659 (4) | |
S3 | 0.6151 (2) | 0.85051 (14) | 0.95682 (12) | 0.0704 (4) | |
S4 | 0.2296 (2) | 0.90892 (14) | 0.99225 (11) | 0.0669 (4) | |
C1 | 0.6117 (8) | 0.2356 (5) | 0.6168 (4) | 0.0623 (14) | |
C2 | 0.6779 (10) | 0.3477 (6) | 0.6447 (5) | 0.0760 (17) | |
H2 | 0.7043 | 0.3913 | 0.6002 | 0.091* | |
C3 | 0.7044 (12) | 0.3944 (7) | 0.7370 (6) | 0.091 (2) | |
H3 | 0.7500 | 0.4694 | 0.7552 | 0.109* | |
C4 | 0.6634 (11) | 0.3302 (7) | 0.8039 (5) | 0.083 (2) | |
H4 | 0.6796 | 0.3628 | 0.8666 | 0.100* | |
C5 | 0.6006 (9) | 0.2212 (7) | 0.7784 (5) | 0.0750 (18) | |
H5 | 0.5756 | 0.1785 | 0.8238 | 0.090* | |
C6 | 0.5725 (7) | 0.1716 (5) | 0.6842 (4) | 0.0591 (13) | |
C7 | 0.4339 (9) | 0.7433 (5) | 0.9440 (4) | 0.0654 (15) | |
C8 | 0.4558 (12) | 0.6329 (6) | 0.9180 (5) | 0.086 (2) | |
H8 | 0.5728 | 0.6151 | 0.9089 | 0.103* | |
C9 | 0.3127 (16) | 0.5509 (7) | 0.9055 (6) | 0.103 (3) | |
H9 | 0.3319 | 0.4773 | 0.8892 | 0.124* | |
C10 | 0.1387 (16) | 0.5755 (7) | 0.9169 (6) | 0.106 (3) | |
H10 | 0.0400 | 0.5183 | 0.9065 | 0.127* | |
C11 | 0.1057 (12) | 0.6862 (7) | 0.9440 (5) | 0.089 (2) | |
H11 | −0.0124 | 0.7031 | 0.9520 | 0.107* | |
C12 | 0.2610 (9) | 0.7703 (5) | 0.9585 (4) | 0.0652 (15) | |
C13 | 0.1673 (11) | 0.6604 (5) | 0.6633 (4) | 0.0706 (17) | |
C14 | 0.2677 (9) | 0.7576 (5) | 0.7112 (4) | 0.0623 (14) | |
H14 | 0.3971 | 0.7642 | 0.7222 | 0.075* | |
C15 | 0.1810 (8) | 0.8458 (5) | 0.7435 (4) | 0.0604 (14) | |
H15 | 0.2511 | 0.9111 | 0.7768 | 0.072* | |
C16 | −0.0127 (8) | 0.8368 (5) | 0.7261 (4) | 0.0623 (15) | |
C17 | −0.1164 (10) | 0.7408 (7) | 0.6757 (6) | 0.087 (2) | |
H17 | −0.2457 | 0.7352 | 0.6629 | 0.104* | |
C18 | −0.0259 (13) | 0.6526 (6) | 0.6441 (6) | 0.096 (2) | |
H18 | −0.0951 | 0.5875 | 0.6098 | 0.115* | |
C19 | −0.1106 (9) | 0.9293 (5) | 0.7648 (5) | 0.0745 (17) | |
H19A | −0.1118 | 0.9272 | 0.8308 | 0.089* | |
H19B | −0.2389 | 0.9173 | 0.7331 | 0.089* | |
C20 | 0.0515 (11) | 1.1170 (7) | 0.8295 (5) | 0.083 (2) | |
H20 | 0.0471 | 1.0998 | 0.8890 | 0.100* | |
C21 | 0.1330 (13) | 1.2164 (7) | 0.8205 (6) | 0.092 (2) | |
H21 | 0.1867 | 1.2676 | 0.8735 | 0.110* | |
C22 | 0.1377 (10) | 1.2435 (6) | 0.7331 (5) | 0.0774 (17) | |
H22 | 0.1904 | 1.3139 | 0.7269 | 0.093* | |
C23 | 0.0637 (7) | 1.1657 (5) | 0.6538 (4) | 0.0599 (14) | |
C24 | −0.0168 (8) | 1.0640 (5) | 0.6672 (4) | 0.0631 (14) | |
H24 | −0.0671 | 1.0098 | 0.6156 | 0.076* | |
C25 | 0.0744 (10) | 1.1905 (6) | 0.5574 (5) | 0.0751 (17) | |
H25A | −0.0129 | 1.1379 | 0.5124 | 0.113* | |
H25B | 0.1981 | 1.1853 | 0.5443 | 0.113* | |
H25C | 0.0450 | 1.2643 | 0.5538 | 0.113* | |
I1 | 0.31005 (11) | 0.52863 (4) | 0.61739 (4) | 0.1153 (3) | |
N1 | −0.0234 (7) | 1.0421 (4) | 0.7546 (4) | 0.0637 (12) |
U11 | U22 | U33 | U12 | U13 | U23 | |
Ni1 | 0.0448 (5) | 0.0688 (7) | 0.0653 (6) | 0.0088 (5) | 0.0136 (4) | 0.0308 (5) |
Ni2 | 0.0529 (6) | 0.0573 (6) | 0.0533 (5) | 0.0025 (4) | 0.0139 (4) | 0.0143 (4) |
S1 | 0.0681 (9) | 0.0696 (10) | 0.0701 (9) | 0.0055 (7) | 0.0186 (7) | 0.0324 (7) |
S2 | 0.0602 (8) | 0.0762 (10) | 0.0693 (9) | 0.0064 (7) | 0.0172 (7) | 0.0335 (7) |
S3 | 0.0628 (9) | 0.0658 (10) | 0.0836 (10) | 0.0076 (7) | 0.0165 (7) | 0.0117 (8) |
S4 | 0.0600 (9) | 0.0699 (10) | 0.0731 (9) | −0.0003 (7) | 0.0219 (7) | 0.0149 (7) |
C1 | 0.049 (3) | 0.075 (4) | 0.072 (3) | 0.018 (3) | 0.012 (2) | 0.031 (3) |
C2 | 0.080 (4) | 0.069 (4) | 0.082 (4) | 0.012 (3) | 0.010 (3) | 0.025 (3) |
C3 | 0.099 (5) | 0.072 (5) | 0.098 (5) | 0.009 (4) | 0.004 (4) | 0.015 (4) |
C4 | 0.087 (5) | 0.083 (5) | 0.078 (4) | 0.019 (4) | 0.005 (4) | 0.007 (4) |
C5 | 0.058 (4) | 0.100 (6) | 0.075 (4) | 0.023 (4) | 0.012 (3) | 0.029 (4) |
C6 | 0.042 (3) | 0.071 (4) | 0.072 (3) | 0.015 (2) | 0.012 (2) | 0.025 (3) |
C7 | 0.076 (4) | 0.062 (4) | 0.055 (3) | 0.004 (3) | 0.004 (3) | 0.011 (3) |
C8 | 0.093 (5) | 0.067 (4) | 0.093 (5) | 0.012 (4) | 0.002 (4) | 0.014 (4) |
C9 | 0.137 (8) | 0.065 (5) | 0.100 (6) | −0.002 (5) | 0.006 (6) | 0.016 (4) |
C10 | 0.134 (8) | 0.079 (6) | 0.085 (5) | −0.040 (5) | 0.000 (5) | 0.011 (4) |
C11 | 0.100 (5) | 0.086 (5) | 0.074 (4) | −0.021 (4) | 0.010 (4) | 0.021 (4) |
C12 | 0.074 (4) | 0.067 (4) | 0.053 (3) | −0.007 (3) | 0.009 (3) | 0.019 (3) |
C13 | 0.097 (5) | 0.055 (4) | 0.065 (3) | 0.006 (3) | 0.018 (3) | 0.026 (3) |
C14 | 0.061 (3) | 0.067 (4) | 0.062 (3) | 0.003 (3) | 0.017 (3) | 0.018 (3) |
C15 | 0.063 (3) | 0.065 (4) | 0.056 (3) | −0.002 (3) | 0.018 (2) | 0.018 (3) |
C16 | 0.054 (3) | 0.069 (4) | 0.074 (3) | 0.002 (3) | 0.015 (3) | 0.041 (3) |
C17 | 0.065 (4) | 0.087 (5) | 0.104 (5) | −0.011 (4) | −0.007 (4) | 0.040 (4) |
C18 | 0.119 (7) | 0.062 (4) | 0.098 (5) | −0.021 (4) | 0.000 (5) | 0.025 (4) |
C19 | 0.059 (3) | 0.070 (4) | 0.108 (5) | 0.008 (3) | 0.031 (3) | 0.045 (4) |
C20 | 0.101 (5) | 0.098 (5) | 0.063 (4) | 0.024 (4) | 0.030 (4) | 0.025 (4) |
C21 | 0.106 (6) | 0.086 (5) | 0.083 (5) | 0.008 (4) | 0.022 (4) | 0.014 (4) |
C22 | 0.083 (4) | 0.065 (4) | 0.087 (4) | 0.006 (3) | 0.021 (3) | 0.020 (3) |
C23 | 0.050 (3) | 0.068 (4) | 0.075 (3) | 0.020 (3) | 0.022 (3) | 0.033 (3) |
C24 | 0.057 (3) | 0.073 (4) | 0.069 (3) | 0.015 (3) | 0.019 (3) | 0.030 (3) |
C25 | 0.072 (4) | 0.087 (5) | 0.080 (4) | 0.015 (3) | 0.029 (3) | 0.035 (3) |
I1 | 0.1845 (7) | 0.0594 (4) | 0.1157 (5) | 0.0307 (4) | 0.0520 (4) | 0.0213 (3) |
N1 | 0.058 (3) | 0.070 (3) | 0.078 (3) | 0.020 (2) | 0.029 (2) | 0.035 (3) |
Ni1—S1i | 2.1470 (16) | C11—H11 | 0.9300 |
Ni1—S1 | 2.1470 (16) | C13—C14 | 1.367 (9) |
Ni1—S2 | 2.1562 (16) | C13—C18 | 1.391 (11) |
Ni1—S2i | 2.1562 (16) | C13—I1 | 2.101 (7) |
Ni2—S4 | 2.1447 (15) | C14—C15 | 1.372 (9) |
Ni2—S4ii | 2.1447 (15) | C14—H14 | 0.9300 |
Ni2—S3ii | 2.1504 (17) | C15—C16 | 1.393 (8) |
Ni2—S3 | 2.1504 (17) | C15—H15 | 0.9300 |
S1—C1 | 1.747 (6) | C16—C17 | 1.376 (10) |
S2—C6 | 1.745 (6) | C16—C19 | 1.492 (9) |
S3—C7 | 1.732 (6) | C17—C18 | 1.387 (12) |
S4—C12 | 1.749 (7) | C17—H17 | 0.9300 |
C1—C2 | 1.388 (9) | C18—H18 | 0.9300 |
C1—C6 | 1.390 (8) | C19—N1 | 1.498 (8) |
C2—C3 | 1.364 (11) | C19—H19A | 0.9700 |
C2—H2 | 0.9300 | C19—H19B | 0.9700 |
C3—C4 | 1.388 (10) | C20—N1 | 1.328 (9) |
C3—H3 | 0.9300 | C20—C21 | 1.331 (11) |
C4—C5 | 1.345 (11) | C20—H20 | 0.9300 |
C4—H4 | 0.9300 | C21—C22 | 1.371 (10) |
C5—C6 | 1.399 (9) | C21—H21 | 0.9300 |
C5—H5 | 0.9300 | C22—C23 | 1.388 (9) |
C7—C12 | 1.381 (9) | C22—H22 | 0.9300 |
C7—C8 | 1.385 (9) | C23—C24 | 1.374 (8) |
C8—C9 | 1.344 (12) | C23—C25 | 1.497 (8) |
C8—H8 | 0.9300 | C24—N1 | 1.352 (7) |
C9—C10 | 1.369 (14) | C24—H24 | 0.9300 |
C9—H9 | 0.9300 | C25—H25A | 0.9600 |
C10—C11 | 1.414 (13) | C25—H25B | 0.9600 |
C10—H10 | 0.9300 | C25—H25C | 0.9600 |
C11—C12 | 1.419 (9) | ||
S1i—Ni1—S1 | 180.000 (1) | C7—C12—S4 | 120.4 (5) |
S1i—Ni1—S2 | 88.41 (6) | C11—C12—S4 | 119.2 (6) |
S1—Ni1—S2 | 91.59 (6) | C14—C13—C18 | 119.2 (7) |
S1i—Ni1—S2i | 91.59 (6) | C14—C13—I1 | 118.9 (5) |
S1—Ni1—S2i | 88.41 (6) | C18—C13—I1 | 121.9 (5) |
S2—Ni1—S2i | 180.0 | C13—C14—C15 | 121.2 (6) |
S4—Ni2—S4ii | 180.0 | C13—C14—H14 | 119.4 |
S4—Ni2—S3ii | 88.21 (6) | C15—C14—H14 | 119.4 |
S4ii—Ni2—S3ii | 91.79 (6) | C14—C15—C16 | 119.5 (6) |
S4—Ni2—S3 | 91.79 (6) | C14—C15—H15 | 120.2 |
S4ii—Ni2—S3 | 88.21 (6) | C16—C15—H15 | 120.2 |
S3ii—Ni2—S3 | 180.000 (1) | C17—C16—C15 | 120.3 (7) |
C1—S1—Ni1 | 104.7 (2) | C17—C16—C19 | 119.2 (6) |
C6—S2—Ni1 | 105.1 (2) | C15—C16—C19 | 120.5 (6) |
C7—S3—Ni2 | 105.5 (2) | C16—C17—C18 | 119.2 (7) |
C12—S4—Ni2 | 104.1 (2) | C16—C17—H17 | 120.4 |
C2—C1—C6 | 119.1 (6) | C18—C17—H17 | 120.4 |
C2—C1—S1 | 121.3 (5) | C17—C18—C13 | 120.6 (7) |
C6—C1—S1 | 119.6 (5) | C17—C18—H18 | 119.7 |
C3—C2—C1 | 120.4 (7) | C13—C18—H18 | 119.7 |
C3—C2—H2 | 119.8 | C16—C19—N1 | 113.7 (5) |
C1—C2—H2 | 119.8 | C16—C19—H19A | 108.8 |
C2—C3—C4 | 120.2 (7) | N1—C19—H19A | 108.8 |
C2—C3—H3 | 119.9 | C16—C19—H19B | 108.8 |
C4—C3—H3 | 119.9 | N1—C19—H19B | 108.8 |
C5—C4—C3 | 120.3 (7) | H19A—C19—H19B | 107.7 |
C5—C4—H4 | 119.8 | N1—C20—C21 | 120.9 (6) |
C3—C4—H4 | 119.8 | N1—C20—H20 | 119.5 |
C4—C5—C6 | 120.4 (7) | C21—C20—H20 | 119.5 |
C4—C5—H5 | 119.8 | C20—C21—C22 | 120.1 (7) |
C6—C5—H5 | 119.8 | C20—C21—H21 | 120.0 |
C1—C6—C5 | 119.5 (6) | C22—C21—H21 | 120.0 |
C1—C6—S2 | 118.5 (5) | C21—C22—C23 | 120.0 (7) |
C5—C6—S2 | 122.0 (5) | C21—C22—H22 | 120.0 |
C12—C7—C8 | 119.4 (6) | C23—C22—H22 | 120.0 |
C12—C7—S3 | 118.1 (5) | C24—C23—C22 | 117.5 (5) |
C8—C7—S3 | 122.5 (6) | C24—C23—C25 | 121.1 (6) |
C9—C8—C7 | 121.8 (8) | C22—C23—C25 | 121.4 (6) |
C9—C8—H8 | 119.1 | N1—C24—C23 | 120.5 (6) |
C7—C8—H8 | 119.1 | N1—C24—H24 | 119.7 |
C8—C9—C10 | 120.0 (8) | C23—C24—H24 | 119.7 |
C8—C9—H9 | 120.0 | C23—C25—H25A | 109.5 |
C10—C9—H9 | 120.0 | C23—C25—H25B | 109.5 |
C9—C10—C11 | 121.4 (8) | H25A—C25—H25B | 109.5 |
C9—C10—H10 | 119.3 | C23—C25—H25C | 109.5 |
C11—C10—H10 | 119.3 | H25A—C25—H25C | 109.5 |
C10—C11—C12 | 116.9 (8) | H25B—C25—H25C | 109.5 |
C10—C11—H11 | 121.5 | C20—N1—C24 | 121.0 (6) |
C12—C11—H11 | 121.5 | C20—N1—C19 | 120.9 (5) |
C7—C12—C11 | 120.4 (7) | C24—N1—C19 | 118.1 (6) |
S2—Ni1—S1—C1 | 6.0 (2) | S3—C7—C12—C11 | 176.6 (5) |
S2i—Ni1—S1—C1 | −174.0 (2) | C8—C7—C12—S4 | 179.5 (5) |
S1i—Ni1—S2—C6 | 173.59 (19) | S3—C7—C12—S4 | −1.8 (7) |
S1—Ni1—S2—C6 | −6.41 (19) | C10—C11—C12—C7 | 1.6 (9) |
S4—Ni2—S3—C7 | −1.8 (2) | C10—C11—C12—S4 | −179.9 (5) |
S4ii—Ni2—S3—C7 | 178.2 (2) | Ni2—S4—C12—C7 | 0.2 (5) |
S3ii—Ni2—S4—C12 | −178.97 (19) | Ni2—S4—C12—C11 | −178.3 (4) |
S3—Ni2—S4—C12 | 1.03 (19) | C18—C13—C14—C15 | 2.4 (9) |
Ni1—S1—C1—C2 | 175.1 (5) | I1—C13—C14—C15 | −179.3 (4) |
Ni1—S1—C1—C6 | −4.3 (5) | C13—C14—C15—C16 | −0.9 (8) |
C6—C1—C2—C3 | 0.1 (10) | C14—C15—C16—C17 | −1.0 (8) |
S1—C1—C2—C3 | −179.3 (6) | C14—C15—C16—C19 | 176.8 (5) |
C1—C2—C3—C4 | −0.7 (12) | C15—C16—C17—C18 | 1.3 (10) |
C2—C3—C4—C5 | 1.2 (12) | C19—C16—C17—C18 | −176.5 (6) |
C3—C4—C5—C6 | −1.2 (11) | C16—C17—C18—C13 | 0.2 (11) |
C2—C1—C6—C5 | −0.1 (8) | C14—C13—C18—C17 | −2.0 (10) |
S1—C1—C6—C5 | 179.3 (4) | I1—C13—C18—C17 | 179.7 (5) |
C2—C1—C6—S2 | 179.7 (5) | C17—C16—C19—N1 | −138.2 (6) |
S1—C1—C6—S2 | −0.9 (6) | C15—C16—C19—N1 | 44.0 (8) |
C4—C5—C6—C1 | 0.6 (9) | N1—C20—C21—C22 | 1.1 (13) |
C4—C5—C6—S2 | −179.1 (5) | C20—C21—C22—C23 | −2.4 (12) |
Ni1—S2—C6—C1 | 5.6 (5) | C21—C22—C23—C24 | 1.7 (10) |
Ni1—S2—C6—C5 | −174.6 (4) | C21—C22—C23—C25 | −177.1 (7) |
Ni2—S3—C7—C12 | 2.5 (5) | C22—C23—C24—N1 | 0.3 (8) |
Ni2—S3—C7—C8 | −178.9 (5) | C25—C23—C24—N1 | 179.1 (5) |
C12—C7—C8—C9 | 0.6 (10) | C21—C20—N1—C24 | 1.0 (11) |
S3—C7—C8—C9 | −178.0 (6) | C21—C20—N1—C19 | 178.4 (7) |
C7—C8—C9—C10 | 1.2 (12) | C23—C24—N1—C20 | −1.7 (8) |
C8—C9—C10—C11 | −1.6 (13) | C23—C24—N1—C19 | −179.2 (5) |
C9—C10—C11—C12 | 0.3 (11) | C16—C19—N1—C20 | −115.7 (7) |
C8—C7—C12—C11 | −2.0 (9) | C16—C19—N1—C24 | 61.8 (7) |
Symmetry codes: (i) −x+1, −y, −z+1; (ii) −x+1, −y+2, −z+2. |
D—H···A | D—H | H···A | D···A | D—H···A |
C19—H19B···S2iii | 0.97 | 2.81 | 3.613 (7) | 141 |
C20—H20···S4iv | 0.93 | 2.86 | 3.580 (8) | 135 |
Symmetry codes: (iii) x−1, y+1, z; (iv) −x, −y+2, −z+2. |
Experimental details
Crystal data | |
Chemical formula | (C13H13IN)[Ni(C6H4S2)2] |
Mr | 649.28 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 296 |
a, b, c (Å) | 7.3222 (14), 12.267 (2), 14.628 (3) |
α, β, γ (°) | 98.425 (2), 98.466 (2), 96.216 (3) |
V (Å3) | 1274.2 (4) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 2.32 |
Crystal size (mm) | 0.26 × 0.20 × 0.12 |
Data collection | |
Diffractometer | Bruker SMART APEX CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2000) |
Tmin, Tmax | 0.584, 0.769 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6282, 4392, 3397 |
Rint | 0.030 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.056, 0.196, 1.09 |
No. of reflections | 4392 |
No. of parameters | 293 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 1.52, −1.91 |
Computer programs: SMART (Bruker, 2000), SAINT (Bruker, 2000), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
C19—H19B···S2i | 0.97 | 2.81 | 3.613 (7) | 141 |
C20—H20···S4ii | 0.93 | 2.86 | 3.580 (8) | 135 |
Symmetry codes: (i) x−1, y+1, z; (ii) −x, −y+2, −z+2. |
Acknowledgements
This work was supported by the National Natural Science Foundation of China (grant No. 20971004), the Key Project of Chinese Ministry of Education (grant No. 210102) and the Natural Science Foundation of Anhui Province (grant No. 11040606M45).
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Metal complexes of 1,2-dithiolate ligands have been intensively studied because of their novel properties and applications in the areas of molecular conductivity, magnetic materials, nonlinear optics, and others (Robertson & Cronin, 2002; Kato, 2004). Over the last decade, a large number of new dithiolene ligands and metal complexes have been prepared in an effort to obtain novel and advanced material, whose molecular arrangement can be sensitively affected by strong and directional noncovalent interactions (Cassoux, 1999; Canadell, 1999; Akutagawa & Nakamura, 2000). Although the closed-shell cations make no contribution to the conductivity and magnetism, their size and shapes play a predominant role in influencing the crystal structure and, consequently, in altering the electronic and magnetic properties. Recently, using benzylpyridinium derivatives ([RBzPy]+) as counter cation of [M(mnt)2]- (M = Ni, Pd, and Pt; mnt = maleonitriledithiolate), a series of ion-pair complexes with segregated columnar stacks of cations and anions have been reported (Ren et al., 2002, 2008). The quasi-one-dimensional magnetic nature of these complexes was attributed to intermolecular π orbital interactions within the anionic columns. Furthermore, for some complexes, spin-Peierls-like transition was observed (Ren et al., 2004). More presently, we are devoted our research interesting on the molecular magnets self-assembled from the [Ni(bdt)2]- ion (bdt = benzene-1,2-dithiolato) due to its molecular and electronic structure resembling the [Ni(mnt)2]- ion, which is expected to obtain new series of molecular magnets with peculiar magnetic phase transition via incorporating benzylpyridinium derivatives into the [Ni(bdt)2]- spin system. The synthesis and crystal structure of the title compound, a new ion-pair complex, is reported herein.
As shown in Fig. 1, the asymmetric unit of the title complex contains two independent halves of centrosymmetric [Ni(bdt)2]- anions and one [IBzPyCH3]+ cation. The nickel atoms are each surrounded by four sulfur atoms in a square-planar geometry. As for the Ni1-containing unit, the Ni1—S1 and Ni1—S2 distances are 2.1470 (16) and 2.1562 (16) Å, respectively. These values are in agreement with those found in the related [Ni(bdt)2]- complex reported recently (Liu et al., 2007). The S—Ni—S bond angle is 91.59 (6)°, which is slightly larger than that observed in the complex with substituent groups on benzene rings (Liu et al., 2007). There exists a dihedral angle of 6.92 (6)° between the planes through C1–C6/S1/S2 and Ni1/S1/S2, so the five-membered ring adopts an envelope conformation and the Ni1 atom deviates by 0.1808 (2) Å from the C6S2 plane. In the Ni2-containing unit, the Ni—S bonds cover the range from 2.1447 (15) to 2.1504 (17) Å and the S—Ni—S bond angle 91.79 (6)°. The Ni2 atom deviates by 0.0245 (2) Å from the C7–C12/S3/S4 plane and the angle between the C6S2 and Ni2/S3/S4 planes is 0.98 (8)°. The two C6S2 planes are roughly perpendicular to each other with a dihedral angle of 73.67 (7)°. In the [IBzPyCH3]+ cation, the dihedral angles between the phenyl and pyridine rings is 86.7 (2)°. The molecule packings of two anionic units differ from each other (Fig. 2). The Ni1-containing anions stack in face-to-face fashion along the a axis with an alternating arrangement of the [Ni(bdt)2]-anions and [IBzPyCH3]+ cations, so that the pyridine ring of the cation overlaps the phenyl ring of the anion with a centroid-to-centroid distance of 3.6947 (5) Å. Conversely, the Ni2-containing anions stack in side-by-side fashion in which the anions are uniformly spaced to form one-dimensional chains along the a axis. For both stacking modes the Ni···Ni separation is 7.3223 (14) Å. The shortest separation between Ni1-containing and Ni2-containing anions is 7.3140 (15) Å. The anions and cation are linked via C—H···S H-bonding interactions consolidating the crystal structure (Table 1).