metal-organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

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cis-Bis­(2,2′-bipyrid­yl)di­cyanato­cobalt(II)

aSchool of Chemistry and Chemical Engineering, Liaocheng University, Shandong 252059, People's Republic of China, bLiaocheng Vocational and Technical College, Liaocheng, Shandong 252000, People's Republic of China, and cDongchang College of Liaocheng University, Liaocheng, Shandong 252000, People's Republic of China
*Correspondence e-mail: lidacheng62@lcu.edu.cn

(Received 31 January 2008; accepted 20 March 2008; online 29 March 2008)

In the title complex, [Co(NCO)2(C10H8N2)2], the Co atom is coordinated by four N atoms from two 2,2′-bipyridyl ligands and two N atoms from two cyanate anions in a distorted octa­hedral geometry. The Co atom lies on a twofold rotation axis. The average Co—N bond length is 2.126 (7) Å. Weak inter­molecular C—H⋯O inter­actions lead to the formation of a three-dimensional network.

Related literature

For the crystal structures of cobalt complexes with analogous ligands, see: Veidis et al. (1981[Veidis, M. V., Dockum, B., Charron, F. F. & Reiff, W. M. (1981). Inorg. Chim. Acta, 53, L197-L199.]); Tang et al. (2004[Tang, X. F., Ma, Y. S., Liang, F. P., Hu, R. X. & Yu, K. B. (2004). Hua Xue Ying Yong Yu Yanjiu, 16, 459-462.]). For related literature, see: Milani et al. (2003[Milani, B., Stabon, E., Zangrando, E., Mestroni, G., Sommazzi, A., Zannoni, C. (2003). Inorg. Chim. Acta, 349, 209-216.]).

[Scheme 1]

Experimental

Crystal data
  • [Co(NCO)2(C10H8N2)2]

  • Mr = 455.34

  • Orthorhombic, P b c n

  • a = 14.148 (12) Å

  • b = 9.774 (8) Å

  • c = 15.253 (13) Å

  • V = 2109 (3) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.84 mm−1

  • T = 298 (2) K

  • 0.30 × 0.25 × 0.06 mm

Data collection
  • Bruker SMART 1000 diffractometer

  • Absorption correction: multi-scan (SADABS; Sheldrick, 1996[Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.]) Tmin = 0.786, Tmax = 0.951

  • 10457 measured reflections

  • 1870 independent reflections

  • 1009 reflections with I > 2σ(I)

  • Rint = 0.078

Refinement
  • R[F2 > 2σ(F2)] = 0.039

  • wR(F2) = 0.078

  • S = 1.00

  • 1870 reflections

  • 141 parameters

  • H-atom parameters constrained

  • Δρmax = 0.25 e Å−3

  • Δρmin = −0.30 e Å−3

Table 1
Selected geometric parameters (Å, °)

Co1—N1 2.027 (3)
Co1—N2 2.162 (3)
Co1—N3 2.176 (3)
N1i—Co1—N1 97.0 (2)
N1i—Co1—N2 166.18 (11)
N1—Co1—N2 90.76 (12)
N2—Co1—N2i 84.07 (14)
N1i—Co1—N3 92.83 (12)
N1—Co1—N3 93.59 (11)
N2—Co1—N3 75.22 (11)
N2i—Co1—N3 97.44 (10)
N3—Co1—N3i 170.29 (13)
Symmetry code: (i) [-x+1, y, -z+{\script{3\over 2}}].

Table 2
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
C10—H10⋯O1ii 0.93 2.50 3.236 (5) 137
C5—H5⋯O1iii 0.93 2.48 3.198 (5) 134
Symmetry codes: (ii) [-x+{\script{1\over 2}}, -y+{\script{5\over 2}}, z+{\script{1\over 2}}]; (iii) -x+1, -y+2, -z+1.

Data collection: SMART (Siemens, 1996[Siemens (1996). SMART and SAINT. Siemens Analytical X-ray Instruments Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Siemens, 1996[Siemens (1996). SMART and SAINT. Siemens Analytical X-ray Instruments Inc., Madison, Wisconsin, USA.]); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: SHELXTL (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); software used to prepare material for publication: SHELXTL.

Supporting information


Comment top

Organometallic Co derivatives are applied as catalysts in polymerization reactions of polar olefins and for the elucidation of the hypothetical mechanism of these polymerization reactions (Milani et al., 2003). In recent years the synthesis of the without bridge bonding mononucleate complexs was used to find out the information to design the multidimensional structure complexes, so the homologic ligands complex [Co(2,2'-bipy)2(N3)2].Cl.2H2O was reported(Tang et al., 2004). In this paper, Co(C10H8N2)2(NCO)2 was synthesized by the reaction of CoCl2.6H2O, 2,2'-bipyridyl and NaOCN at room temperature and the structure of the resulting complex is presented here (Fig. 1).

The Co atom lies on a special position (Wyckoff position 4c, site symmetry 2). It is formed by coordination of two 2,2'-bipyridyls ligands and two cyanate anions. The coordination gemotry of the central Co atom is distorted octahedral with four N atoms from two 2,2'-bipyridyls and two N atoms from two cyanate anions. The equatorial plane consists of N1, N2, N3 and N3iwith an average bond length of 2.135 (3) Å. The apical positions are occupied by a cyanate anion and a N atom from a 2,2'-bipyridyl with the bond length 2.027 (3) Å 2.162 (3) Å, respectively. The distances Co—N(2,2'-bipyridyl) in the title complex are significantly longer (2.176 (3) Å and 2.162 (3) Å) than those in the comparable bond length (1.950 (3) Å and 1.954 (3) Å, Tang et al.(2004)). The complexes arrange into a three-dimensional network via weak intermolecular C—H···O interactions (H···O distances: 2.499 (3) Å and 2.481 (4) Å; C···O distances: 3.417 (5) Å and 3.084 (7) Å)..

Related literature top

For the crystal structures of cobalt complexes with homologic ligands, see: Veidis et al. (1981); Tang et al. (2004). For related literature, see: Milani et al. (2003).

Experimental top

CoCl2.6H2O(0.0476 g 0.2 mmol) was dissolved in 10 ml MeOH, the solution was then added to an aqueous solution of 2,2'-bipyridyl(0.0316 g 0.2 mmol). The reaction mixture was stirred for 10 minutes until the solution color became red. NaOCN(0.0130 g 0.2 mmol) was added to the reaction mixture. The mixture was filtered and red single crystals were obtained by slow evaporation of the mother liquid for three weeks at room temperature. Elemental analysis for C22H16Co N6S2 calculated: C 58.03, H 3.54, N 18.45%; found: C 58.23, H 3.23, N 18.30%.

Refinement top

All H atoms were placed geometrically and treated as riding on their parent atoms with C—H 0.93 Å (2,2'-bipyridyl) [Uiso(H) = 1.2Ueq(C)].

Computing details top

Data collection: SMART (Siemens, 1996); cell refinement: SMART (Siemens, 1996); data reduction: SAINT (Siemens, 1996); 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).

Figures top
[Figure 1] Fig. 1. The crystal structure of the title compound showing the atomic numbering and 30% probability displacement ellipsoids. H atoms have been omitted for clarity. The second ligand is generated by i: –x+1, y, –z+3/2.
(I) top
Crystal data top
[Co(NCO)2(C10H8N2)2]F(000) = 932
Mr = 455.34Dx = 1.434 Mg m3
Orthorhombic, PbcnMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P2n2abCell parameters from 1484 reflections
a = 14.148 (12) Åθ = 2.5–20.8°
b = 9.774 (8) ŵ = 0.85 mm1
c = 15.253 (13) ÅT = 298 K
V = 2109 (3) Å3Plate, red
Z = 40.30 × 0.25 × 0.06 mm
Data collection top
Bruker Smart 1000
diffractometer
1870 independent reflections
Radiation source: fine-focus sealed tube1009 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.078
ϕ & ω scansθmax = 25.0°, θmin = 2.5°
Absorption correction: multi-scan
[SADABS; Sheldrick, 1996)
h = 1614
Tmin = 0.786, Tmax = 0.951k = 119
10457 measured reflectionsl = 1817
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.039Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.078H-atom parameters constrained
S = 1.00 w = 1/[σ2(Fo2) + (0.0386P)2 + 2.2714P]
where P = (Fo2 + 2Fc2)/3
1870 reflections(Δ/σ)max = 0.001
141 parametersΔρmax = 0.25 e Å3
0 restraintsΔρmin = 0.30 e Å3
Crystal data top
[Co(NCO)2(C10H8N2)2]V = 2109 (3) Å3
Mr = 455.34Z = 4
Orthorhombic, PbcnMo Kα radiation
a = 14.148 (12) ŵ = 0.85 mm1
b = 9.774 (8) ÅT = 298 K
c = 15.253 (13) Å0.30 × 0.25 × 0.06 mm
Data collection top
Bruker Smart 1000
diffractometer
1870 independent reflections
Absorption correction: multi-scan
[SADABS; Sheldrick, 1996)
1009 reflections with I > 2σ(I)
Tmin = 0.786, Tmax = 0.951Rint = 0.078
10457 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0390 restraints
wR(F2) = 0.078H-atom parameters constrained
S = 1.00Δρmax = 0.25 e Å3
1870 reflectionsΔρmin = 0.30 e Å3
141 parameters
Special details top

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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Co10.50001.02936 (6)0.75000.0514 (2)
N10.45099 (19)1.1668 (3)0.6615 (2)0.0780 (10)
N20.42837 (17)0.8651 (2)0.68223 (17)0.0525 (7)
N30.36432 (16)1.0105 (3)0.81603 (17)0.0538 (7)
O10.4129 (2)1.3351 (3)0.5593 (2)0.1331 (13)
C10.4337 (2)1.2469 (5)0.6118 (3)0.0737 (12)
C20.3390 (2)0.8363 (3)0.7088 (2)0.0501 (8)
C30.2898 (2)0.7277 (4)0.6735 (2)0.0655 (10)
H30.22890.70810.69270.079*
C40.3309 (3)0.6491 (4)0.6103 (3)0.0802 (12)
H40.29830.57540.58630.096*
C50.4205 (3)0.6794 (4)0.5821 (2)0.0738 (11)
H50.44960.62750.53880.089*
C60.4657 (2)0.7879 (4)0.6196 (2)0.0669 (10)
H60.52630.80900.60020.080*
C70.3019 (2)0.9245 (3)0.7788 (2)0.0511 (9)
C80.2077 (2)0.9216 (3)0.8059 (3)0.0676 (10)
H80.16450.86420.77840.081*
C90.1797 (3)1.0036 (4)0.8731 (3)0.0808 (13)
H90.11721.00200.89210.097*
C100.2434 (3)1.0881 (4)0.9122 (2)0.0804 (12)
H100.22561.14440.95850.096*
C110.3354 (2)1.0883 (3)0.8814 (2)0.0685 (10)
H110.37901.14600.90820.082*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Co10.0391 (3)0.0536 (4)0.0615 (4)0.0000.0011 (3)0.000
N10.064 (2)0.078 (2)0.092 (3)0.0116 (17)0.0007 (18)0.0301 (19)
N20.0402 (15)0.0601 (19)0.0573 (19)0.0020 (13)0.0000 (14)0.0038 (14)
N30.0457 (15)0.0555 (19)0.0603 (19)0.0050 (14)0.0027 (14)0.0032 (14)
O10.115 (2)0.152 (3)0.133 (3)0.055 (2)0.025 (2)0.070 (2)
C10.052 (2)0.090 (4)0.079 (3)0.020 (2)0.018 (2)0.012 (2)
C20.0385 (19)0.056 (2)0.056 (2)0.0010 (17)0.0047 (17)0.0121 (17)
C30.051 (2)0.070 (3)0.076 (3)0.011 (2)0.0061 (19)0.004 (2)
C40.087 (3)0.077 (3)0.077 (3)0.020 (2)0.011 (2)0.012 (2)
C50.074 (3)0.074 (3)0.072 (3)0.001 (2)0.001 (2)0.019 (2)
C60.053 (2)0.079 (3)0.069 (3)0.0057 (19)0.0008 (19)0.009 (2)
C70.0420 (19)0.047 (2)0.064 (3)0.0030 (16)0.0052 (16)0.0113 (16)
C80.046 (2)0.071 (3)0.086 (3)0.0028 (18)0.009 (2)0.010 (2)
C90.053 (2)0.092 (4)0.097 (3)0.012 (2)0.028 (2)0.016 (3)
C100.079 (3)0.077 (3)0.086 (3)0.014 (2)0.033 (3)0.002 (2)
C110.062 (2)0.066 (3)0.078 (3)0.0021 (19)0.013 (2)0.009 (2)
Geometric parameters (Å, º) top
Co1—N1i2.027 (3)C3—H30.9300
Co1—N12.027 (3)C4—C51.371 (4)
Co1—N22.162 (3)C4—H40.9300
Co1—N2i2.162 (3)C5—C61.364 (4)
Co1—N32.176 (3)C5—H50.9300
Co1—N3i2.176 (3)C6—H60.9300
N1—C11.117 (4)C7—C81.396 (4)
N2—C61.327 (4)C8—C91.360 (4)
N2—C21.358 (3)C8—H80.9300
N3—C111.319 (4)C9—C101.361 (5)
N3—C71.345 (3)C9—H90.9300
O1—C11.213 (4)C10—C111.384 (4)
C2—C31.378 (4)C10—H100.9300
C2—C71.469 (4)C11—H110.9300
C3—C41.363 (4)
N1i—Co1—N197.0 (2)C4—C3—H3120.2
N1i—Co1—N2166.18 (11)C2—C3—H3120.2
N1—Co1—N290.76 (12)C3—C4—C5119.6 (4)
N1i—Co1—N2i90.76 (12)C3—C4—H4120.2
N1—Co1—N2i166.18 (11)C5—C4—H4120.2
N2—Co1—N2i84.07 (14)C6—C5—C4118.1 (4)
N1i—Co1—N392.83 (12)C6—C5—H5121.0
N1—Co1—N393.59 (11)C4—C5—H5121.0
N2—Co1—N375.22 (11)N2—C6—C5123.8 (3)
N2i—Co1—N397.44 (10)N2—C6—H6118.1
N1i—Co1—N3i93.59 (11)C5—C6—H6118.1
N1—Co1—N3i92.83 (12)N3—C7—C8121.0 (3)
N2—Co1—N3i97.44 (10)N3—C7—C2116.1 (3)
N2i—Co1—N3i75.22 (11)C8—C7—C2123.0 (3)
N3—Co1—N3i170.29 (13)C9—C8—C7119.3 (3)
C1—N1—Co1172.6 (3)C9—C8—H8120.3
C6—N2—C2117.9 (3)C7—C8—H8120.3
C6—N2—Co1125.4 (2)C8—C9—C10119.7 (3)
C2—N2—Co1116.6 (2)C8—C9—H9120.2
C11—N3—C7118.4 (3)C10—C9—H9120.2
C11—N3—Co1125.1 (2)C9—C10—C11118.4 (4)
C7—N3—Co1115.9 (2)C9—C10—H10120.8
N1—C1—O1178.3 (5)C11—C10—H10120.8
N2—C2—C3120.9 (3)N3—C11—C10123.2 (3)
N2—C2—C7115.3 (3)N3—C11—H11118.4
C3—C2—C7123.7 (3)C10—C11—H11118.4
C4—C3—C2119.6 (3)
Symmetry code: (i) x+1, y, z+3/2.
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
C10—H10···O1ii0.932.503.236 (5)137
C5—H5···O1iii0.932.483.198 (5)134
Symmetry codes: (ii) x+1/2, y+5/2, z+1/2; (iii) x+1, y+2, z+1.

Experimental details

Crystal data
Chemical formula[Co(NCO)2(C10H8N2)2]
Mr455.34
Crystal system, space groupOrthorhombic, Pbcn
Temperature (K)298
a, b, c (Å)14.148 (12), 9.774 (8), 15.253 (13)
V3)2109 (3)
Z4
Radiation typeMo Kα
µ (mm1)0.85
Crystal size (mm)0.30 × 0.25 × 0.06
Data collection
DiffractometerBruker Smart 1000
diffractometer
Absorption correctionMulti-scan
[SADABS; Sheldrick, 1996)
Tmin, Tmax0.786, 0.951
No. of measured, independent and
observed [I > 2σ(I)] reflections
10457, 1870, 1009
Rint0.078
(sin θ/λ)max1)0.595
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.039, 0.078, 1.00
No. of reflections1870
No. of parameters141
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.25, 0.30

Computer programs: SMART (Siemens, 1996), SAINT (Siemens, 1996), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).

Selected geometric parameters (Å, º) top
Co1—N1i2.027 (3)Co1—N2i2.162 (3)
Co1—N12.027 (3)Co1—N32.176 (3)
Co1—N22.162 (3)Co1—N3i2.176 (3)
N1i—Co1—N197.0 (2)N2—Co1—N375.22 (11)
N1i—Co1—N2166.18 (11)N2i—Co1—N397.44 (10)
N1—Co1—N290.76 (12)N1i—Co1—N3i93.59 (11)
N1i—Co1—N2i90.76 (12)N1—Co1—N3i92.83 (12)
N1—Co1—N2i166.18 (11)N2—Co1—N3i97.44 (10)
N2—Co1—N2i84.07 (14)N2i—Co1—N3i75.22 (11)
N1i—Co1—N392.83 (12)N3—Co1—N3i170.29 (13)
N1—Co1—N393.59 (11)
Symmetry code: (i) x+1, y, z+3/2.
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
C10—H10···O1ii0.932.503.236 (5)136.7
C5—H5···O1iii0.932.483.198 (5)134.1
Symmetry codes: (ii) x+1/2, y+5/2, z+1/2; (iii) x+1, y+2, z+1.
 

Acknowledgements

We acknowledge the Natural Science Foundation of Liaocheng University (X051002).

References

First citationMilani, B., Stabon, E., Zangrando, E., Mestroni, G., Sommazzi, A., Zannoni, C. (2003). Inorg. Chim. Acta, 349, 209–216.  Web of Science CSD CrossRef CAS Google Scholar
First citationSheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.  Google Scholar
First citationSheldrick, G. M. (2008). Acta Cryst. A64, 112–122.  Web of Science CrossRef CAS IUCr Journals Google Scholar
First citationSiemens (1996). SMART and SAINT. Siemens Analytical X-ray Instruments Inc., Madison, Wisconsin, USA.  Google Scholar
First citationTang, X. F., Ma, Y. S., Liang, F. P., Hu, R. X. & Yu, K. B. (2004). Hua Xue Ying Yong Yu Yanjiu, 16, 459–462.  CAS Google Scholar
First citationVeidis, M. V., Dockum, B., Charron, F. F. & Reiff, W. M. (1981). Inorg. Chim. Acta, 53, L197–L199.  CSD CrossRef CAS Web of Science Google Scholar

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