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Acta Cryst. (2007). E63, m3073-m3074    [ doi:10.1107/S1600536807058333 ]

catena-Poly[[bis(4,4'-bipyridine-[kappa]N)cobalt(II)]-[mu]3-(4,4'-dicarboxybiphenyl-3,3'-dicarboxylato-[kappa]4O3,O3':O3'':O3''')]

C. Qin, X.-L. Wang and E.-B. Wang

Abstract top

In the title compound, [Co(C16H8O8)(C10H8N2)2]n, the CoII atom exhibits a distorted octahedral geometry defined by four O atoms from three 4,4'-dicarboxybiphenyl-3,3'-dicarboxylate ligands and two N atoms from two 4,4'-bipyridine ligands. In the crystal structure, one-dimensional molecular chains are connected by O-H...N hydrogen bonds, forming a two-dimensional supramolecular network.

Comment top

Metal–carboxylate coordination polymers have emerged as an important family in the past few years (Wang et al., 2005; Hao et al., 2005). We report here the structure of the title compound. The asymmetric unit contains one CoII atom, one 4,4'-dicarboxybiphenyl-3,3'-dicarboxylate (bpdc) ligand and two 4,4'-bipyridine (4,4'-bpy) ligands. The CoII atom has a distorted octahedral coordination geometry, defined by four O atoms from the bpdc ligands and two N atoms from the 4,4'-bpy ligands. The adjacent CoII atoms are linked by the bpdc ligands to generate a one-dimensional chain running along the crystallographic c axis. In the crystal structure, the adjacent one-dimensional chains are further connected with O—H···N hydrogen bonds, forming a two-dimensional supramolecular network.

Related literature top

For general background, see: Wang et al. (2005). For related structures, see: Hao et al. (2005).

Experimental top

The title compound was prepared by a hydrothermal method. A mixture of Co(NO3)2·6H2O (0.115 g, 0.5 mmol), biphenyl-3,3',4,4'-tetracarboxylic acid (0.165 g, 0.5 mmol), 4,4'-bipyridine (0.125 g, 0.8 mmol) and water (10 ml) was stirred for 20 min and then transferred to a 23 ml Teflon-lined reactor. The reactor was kept at 433 K for 120 h under autogenous pressure. Single crystals of the title compound were obtained after cooling to room temperature.

Refinement top

H atoms were positioned geometrically and refined as riding atoms, with C—H = 0.93Å and O—H = 0.82 Å, and with Uiso(H) = 1.2Ueq(C) and Uiso(H) = 1.5Ueq(O).

Computing details top

Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1999); data reduction: SAINT (Bruker, 1999); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL-Plus (Siemens, 1990); software used to prepare material for publication: SHELXL97 (Sheldrick, 1997).

Figures top
[Figure 1] Fig. 1. The molecular structure of the title compound. Displacement ellipsoids are drawn at the 50% probability level. [Symmetry codes: (i) −x, −y, −z + 1; (ii) x, y, z − 1.]
[Figure 2] Fig. 2. The one-dimensional chain in the title compound. H atoms have been omitted for clarity.
catena-Poly[[bis(4,4'-bipyridine-κN)cobalt(II)]- µ3-4,4'-dicarboxybiphenyl-3,3'-dicarboxylato- κ4O3,O3':O3'':O3''')] top
Crystal data top
[Co(C16H8O8)(C10H8N2)2]Z = 2
Mr = 699.52F000 = 718
Triclinic, P1Dx = 1.561 Mg m−3
Hall symbol: -P 1Mo Kα radiation
λ = 0.71069 Å
a = 11.045 (2) ÅCell parameters from 14754 reflections
b = 11.361 (2) Åθ = 3.2–27.5º
c = 12.352 (3) ŵ = 0.64 mm−1
α = 103.83 (3)ºT = 298 (2) K
β = 93.54 (3)ºBlock, purple
γ = 96.84 (3)º0.24 × 0.22 × 0.17 mm
V = 1487.8 (6) Å3
Data collection top
Bruker SMART APEX CCD area-detector
diffractometer		6747 independent reflections
Radiation source: fine-focus sealed tube5292 reflections with I > 2σ(I)
Monochromator: graphiteRint = 0.025
T = 298(2) Kθmax = 27.5º
φ and ω scansθmin = 3.2º
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)		h = −14→14
Tmin = 0.856, Tmax = 0.898k = −14→14
14754 measured reflectionsl = −16→16
Refinement top
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.041H-atom parameters constrained
wR(F2) = 0.123  w = 1/[σ2(Fo2) + (0.0823P)2 + 0.1308P]
where P = (Fo2 + 2Fc2)/3
S = 1.01(Δ/σ)max = 0.003
6747 reflectionsΔρmax = 0.42 e Å−3
442 parametersΔρmin = −0.32 e Å−3
Primary atom site location: structure-invariant direct methodsExtinction correction: none
Crystal data top
[Co(C16H8O8)(C10H8N2)2]γ = 96.84 (3)º
Mr = 699.52V = 1487.8 (6) Å3
Triclinic, P1Z = 2
a = 11.045 (2) ÅMo Kα
b = 11.361 (2) ŵ = 0.64 mm−1
c = 12.352 (3) ÅT = 298 (2) K
α = 103.83 (3)º0.24 × 0.22 × 0.17 mm
β = 93.54 (3)º
Data collection top
Bruker SMART APEX CCD area-detector
diffractometer		6747 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)		5292 reflections with I > 2σ(I)
Tmin = 0.856, Tmax = 0.898Rint = 0.025
14754 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.041442 parameters
wR(F2) = 0.123H-atom parameters constrained
S = 1.01Δρmax = 0.42 e Å−3
6747 reflectionsΔρmin = −0.32 e Å−3
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Co10.15335 (3)0.02558 (3)0.13743 (2)0.02485 (10)
C1−0.2712 (2)−0.4174 (2)0.4984 (2)0.0394 (6)
H1A−0.2746−0.40110.57550.047*
C2−0.1971 (2)−0.3366 (2)0.4554 (2)0.0358 (5)
H2A−0.1517−0.26750.50330.043*
C3−0.1905 (2)−0.3584 (2)0.34135 (19)0.0305 (5)
C4−0.2601 (3)−0.4642 (2)0.2740 (2)0.0408 (6)
H4A−0.2581−0.48320.19670.049*
C5−0.3324 (3)−0.5404 (2)0.3241 (2)0.0445 (6)
H5A−0.3789−0.61040.27860.053*
C6−0.0178 (2)−0.0684 (2)0.2993 (2)0.0326 (5)
H6A0.00000.01320.33870.039*
C7−0.0854 (2)−0.1485 (2)0.3482 (2)0.0343 (5)
H7A−0.1114−0.12060.41890.041*
C8−0.1146 (2)−0.2714 (2)0.29093 (19)0.0300 (5)
C9−0.0714 (3)−0.3060 (2)0.1874 (2)0.0411 (6)
H9A−0.0875−0.38720.14640.049*
C10−0.0039 (2)−0.2195 (2)0.1442 (2)0.0379 (6)
H10A0.0236−0.24500.07380.046*
C110.4115 (2)0.1192 (3)0.0882 (2)0.0438 (6)
H11A0.43080.05910.12340.053*
C120.5048 (2)0.1784 (3)0.0424 (2)0.0445 (6)
H12A0.58380.15830.04710.053*
C130.4781 (2)0.2676 (2)−0.0102 (2)0.0361 (5)
C140.3604 (3)0.2964 (3)−0.0087 (3)0.0567 (9)
H14A0.33960.3588−0.04010.068*
C150.2728 (3)0.2327 (3)0.0393 (3)0.0510 (7)
H15A0.19410.25400.03930.061*
C160.7799 (3)0.4056 (3)−0.0840 (3)0.0499 (7)
H16A0.86230.4185−0.05760.060*
C170.6967 (3)0.3472 (3)−0.0289 (3)0.0459 (6)
H17A0.72300.31940.03230.055*
C180.5733 (2)0.3304 (2)−0.0655 (2)0.0366 (5)
C190.5395 (3)0.3744 (3)−0.1559 (2)0.0524 (8)
H19A0.45740.3664−0.18180.063*
C200.6290 (3)0.4308 (3)−0.2083 (3)0.0584 (9)
H20A0.60510.4600−0.26940.070*
C210.22465 (19)−0.14137 (19)0.63711 (17)0.0251 (4)
C220.20320 (19)−0.10850 (19)0.74957 (17)0.0252 (4)
H22A0.2433−0.03510.79510.030*
C230.12327 (19)−0.18306 (19)0.79495 (17)0.0240 (4)
C240.0677 (2)−0.29749 (19)0.72797 (17)0.0260 (4)
C250.0908 (2)−0.3316 (2)0.61661 (19)0.0314 (5)
H25A0.0546−0.40700.57190.038*
C260.1675 (2)−0.2542 (2)0.57121 (18)0.0298 (5)
H26A0.1810−0.27770.49600.036*
C270.29693 (19)−0.05148 (19)0.58818 (17)0.0255 (4)
C280.3919 (2)0.0341 (2)0.65183 (18)0.0303 (5)
H28A0.41560.03100.72460.036*
C290.4510 (2)0.1239 (2)0.60680 (19)0.0304 (5)
H29A0.51500.17950.64940.036*
C300.41605 (19)0.13164 (19)0.49935 (18)0.0261 (4)
C310.32276 (19)0.04471 (19)0.43401 (17)0.0266 (4)
C320.26553 (19)−0.04591 (19)0.47919 (18)0.0269 (4)
H32A0.2046−0.10430.43520.032*
C330.08564 (19)−0.13041 (17)0.90973 (17)0.0242 (4)
C34−0.0092 (2)−0.3814 (2)0.78063 (19)0.0312 (5)
C350.4801 (2)0.2274 (2)0.4504 (2)0.0319 (5)
C360.2723 (2)0.0462 (2)0.31868 (17)0.0281 (5)
N1−0.3384 (2)−0.51818 (19)0.43373 (19)0.0401 (5)
N20.02360 (18)−0.10141 (17)0.19870 (16)0.0293 (4)
N30.29647 (18)0.14250 (18)0.08518 (16)0.0330 (4)
N40.7468 (2)0.4445 (2)−0.1744 (2)0.0491 (6)
O10.16807 (14)−0.09749 (14)0.98893 (12)0.0299 (3)
O2−0.02537 (14)−0.11935 (13)0.91601 (13)0.0291 (3)
O30.01081 (18)−0.38419 (15)0.87748 (14)0.0411 (4)
O4−0.09660 (19)−0.45426 (19)0.71183 (16)0.0562 (6)
H1−0.1328−0.50050.74470.084*
O50.54844 (18)0.31614 (16)0.52605 (15)0.0448 (5)
H20.59740.35350.49470.067*
O60.47072 (19)0.22331 (17)0.35211 (15)0.0484 (5)
O70.29338 (16)−0.03486 (15)0.23673 (13)0.0345 (4)
O80.19877 (15)0.12079 (14)0.30946 (13)0.0327 (4)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Co10.02672 (17)0.02842 (16)0.02075 (16)−0.00082 (11)0.00528 (11)0.01020 (11)
C10.0426 (14)0.0436 (13)0.0367 (13)0.0014 (11)0.0108 (11)0.0192 (11)
C20.0367 (13)0.0370 (12)0.0343 (13)−0.0013 (10)0.0073 (10)0.0124 (10)
C30.0327 (11)0.0293 (10)0.0341 (12)0.0032 (9)0.0097 (9)0.0157 (9)
C40.0504 (15)0.0369 (12)0.0357 (13)−0.0034 (11)0.0053 (11)0.0141 (10)
C50.0497 (15)0.0352 (12)0.0474 (15)−0.0095 (12)0.0016 (12)0.0163 (11)
C60.0327 (12)0.0288 (10)0.0372 (13)0.0004 (9)0.0109 (10)0.0101 (9)
C70.0380 (13)0.0335 (11)0.0332 (12)0.0026 (10)0.0136 (10)0.0106 (9)
C80.0313 (11)0.0304 (10)0.0330 (12)0.0016 (9)0.0092 (9)0.0168 (9)
C90.0610 (17)0.0260 (11)0.0366 (13)−0.0023 (11)0.0161 (12)0.0098 (9)
C100.0507 (15)0.0342 (12)0.0304 (12)−0.0006 (11)0.0156 (11)0.0111 (9)
C110.0404 (14)0.0503 (15)0.0523 (16)0.0076 (12)0.0156 (12)0.0316 (13)
C120.0333 (13)0.0543 (15)0.0556 (17)0.0072 (11)0.0162 (12)0.0289 (13)
C130.0330 (12)0.0383 (12)0.0387 (13)−0.0034 (10)0.0114 (10)0.0151 (10)
C140.0394 (15)0.0617 (18)0.089 (2)0.0074 (14)0.0188 (15)0.0543 (18)
C150.0317 (13)0.0573 (17)0.078 (2)0.0061 (12)0.0166 (13)0.0419 (16)
C160.0380 (14)0.0544 (16)0.0610 (18)−0.0032 (13)0.0138 (13)0.0238 (14)
C170.0388 (14)0.0515 (15)0.0553 (17)0.0042 (12)0.0144 (12)0.0267 (13)
C180.0359 (13)0.0353 (12)0.0392 (13)−0.0051 (10)0.0104 (10)0.0137 (10)
C190.0391 (14)0.0689 (18)0.0499 (17)−0.0149 (14)0.0027 (12)0.0274 (15)
C200.0585 (19)0.075 (2)0.0430 (16)−0.0173 (16)0.0041 (14)0.0294 (15)
C210.0247 (10)0.0301 (10)0.0243 (10)0.0007 (8)0.0081 (8)0.0141 (8)
C220.0261 (10)0.0278 (10)0.0218 (10)−0.0016 (8)0.0055 (8)0.0081 (8)
C230.0238 (10)0.0301 (10)0.0206 (10)0.0009 (8)0.0053 (8)0.0116 (8)
C240.0272 (10)0.0268 (10)0.0247 (10)−0.0029 (8)0.0059 (8)0.0103 (8)
C250.0359 (12)0.0273 (10)0.0279 (11)−0.0058 (9)0.0064 (9)0.0050 (8)
C260.0348 (12)0.0334 (11)0.0214 (10)−0.0007 (9)0.0085 (9)0.0082 (8)
C270.0253 (10)0.0299 (10)0.0240 (10)−0.0001 (8)0.0099 (8)0.0119 (8)
C280.0306 (11)0.0393 (12)0.0224 (10)−0.0016 (9)0.0043 (9)0.0133 (9)
C290.0291 (11)0.0323 (11)0.0286 (11)−0.0067 (9)0.0027 (9)0.0109 (9)
C300.0251 (10)0.0289 (10)0.0263 (10)−0.0013 (8)0.0069 (8)0.0119 (8)
C310.0261 (10)0.0312 (10)0.0243 (10)−0.0011 (9)0.0076 (8)0.0118 (8)
C320.0251 (10)0.0318 (10)0.0247 (10)−0.0035 (8)0.0056 (8)0.0115 (8)
C330.0298 (11)0.0209 (9)0.0249 (10)−0.0001 (8)0.0100 (8)0.0109 (8)
C340.0342 (12)0.0288 (10)0.0312 (12)−0.0026 (9)0.0093 (9)0.0103 (9)
C350.0285 (11)0.0344 (11)0.0349 (12)−0.0033 (9)0.0074 (9)0.0155 (9)
C360.0278 (11)0.0338 (11)0.0232 (10)−0.0081 (9)0.0044 (8)0.0136 (9)
N10.0394 (12)0.0381 (11)0.0468 (13)−0.0028 (9)0.0088 (9)0.0215 (9)
N20.0314 (10)0.0299 (9)0.0291 (10)0.0013 (8)0.0056 (8)0.0130 (7)
N30.0318 (10)0.0367 (10)0.0327 (10)−0.0005 (8)0.0078 (8)0.0143 (8)
N40.0441 (13)0.0528 (13)0.0494 (14)−0.0132 (11)0.0161 (11)0.0174 (11)
O10.0298 (8)0.0388 (8)0.0208 (7)0.0028 (6)0.0047 (6)0.0070 (6)
O20.0276 (8)0.0310 (8)0.0322 (8)0.0037 (6)0.0097 (6)0.0134 (6)
O30.0549 (11)0.0380 (9)0.0319 (9)−0.0068 (8)0.0074 (8)0.0173 (7)
O40.0526 (12)0.0673 (13)0.0427 (11)−0.0335 (10)−0.0005 (9)0.0235 (10)
O50.0527 (11)0.0393 (9)0.0391 (10)−0.0201 (8)0.0045 (8)0.0162 (8)
O60.0568 (12)0.0530 (11)0.0345 (10)−0.0184 (9)0.0026 (8)0.0222 (8)
O70.0388 (9)0.0409 (9)0.0245 (8)0.0020 (7)0.0055 (7)0.0107 (7)
O80.0385 (9)0.0331 (8)0.0275 (8)0.0018 (7)0.0024 (7)0.0108 (6)
Geometric parameters (Å, °) top
Co1—O2i2.0369 (16)C17—C181.385 (4)
Co1—O1ii2.0519 (17)C17—H17A0.9300
Co1—O82.1394 (18)C18—C191.376 (4)
Co1—N32.1716 (19)C19—C201.391 (4)
Co1—O72.1885 (18)C19—H19A0.9300
Co1—N22.2072 (19)C20—N41.321 (4)
Co1—C362.471 (2)C20—H20A0.9300
C1—N11.337 (3)C21—C221.392 (3)
C1—C21.378 (3)C21—C261.396 (3)
C1—H1A0.9300C21—C271.485 (3)
C2—C31.380 (3)C22—C231.386 (3)
C2—H2A0.9300C22—H22A0.9300
C3—C41.397 (3)C23—C241.408 (3)
C3—C81.494 (3)C23—C331.506 (3)
C4—C51.387 (3)C24—C251.385 (3)
C4—H4A0.9300C24—C341.492 (3)
C5—N11.324 (3)C25—C261.386 (3)
C5—H5A0.9300C25—H25A0.9300
C6—N21.335 (3)C26—H26A0.9300
C6—C71.381 (3)C27—C321.387 (3)
C6—H6A0.9300C27—C281.397 (3)
C7—C81.395 (3)C28—C291.391 (3)
C7—H7A0.9300C28—H28A0.9300
C8—C91.377 (3)C29—C301.385 (3)
C9—C101.390 (3)C29—H29A0.9300
C9—H9A0.9300C30—C311.401 (3)
C10—N21.339 (3)C30—C351.494 (3)
C10—H10A0.9300C31—C321.391 (3)
C11—N31.329 (3)C31—C361.502 (3)
C11—C121.386 (3)C32—H32A0.9300
C11—H11A0.9300C33—O11.249 (3)
C12—C131.378 (3)C33—O21.253 (3)
C12—H12A0.9300C34—O31.212 (3)
C13—C141.378 (4)C34—O41.308 (3)
C13—C181.492 (3)C35—O61.201 (3)
C14—C151.386 (4)C35—O51.319 (3)
C14—H14A0.9300C36—O71.250 (3)
C15—N31.328 (3)C36—O81.261 (3)
C15—H15A0.9300O1—Co1iii2.0519 (17)
C16—N41.342 (4)O2—Co1i2.0369 (16)
C16—C171.378 (3)O4—H10.8200
C16—H16A0.9300O5—H20.8200
O2i—Co1—O1ii99.25 (7)C19—C18—C13119.9 (2)
O2i—Co1—O8103.34 (7)C17—C18—C13122.2 (2)
O1ii—Co1—O8157.16 (7)C18—C19—C20119.6 (3)
O2i—Co1—N389.85 (7)C18—C19—H19A120.2
O1ii—Co1—N385.19 (7)C20—C19—H19A120.2
O8—Co1—N391.48 (7)N4—C20—C19122.4 (3)
O2i—Co1—O7164.24 (6)N4—C20—H20A118.8
O1ii—Co1—O796.34 (7)C19—C20—H20A118.8
O8—Co1—O760.97 (7)C22—C21—C26118.49 (18)
N3—Co1—O789.13 (7)C22—C21—C27119.44 (19)
O2i—Co1—N296.19 (7)C26—C21—C27121.79 (19)
O1ii—Co1—N294.62 (7)C23—C22—C21121.28 (19)
O8—Co1—N286.34 (7)C23—C22—H22A119.4
N3—Co1—N2173.91 (7)C21—C22—H22A119.4
O7—Co1—N284.84 (7)C22—C23—C24119.57 (19)
O2i—Co1—C36134.01 (8)C22—C23—C33117.84 (18)
O1ii—Co1—C36126.68 (8)C24—C23—C33122.03 (17)
O8—Co1—C3630.67 (7)C25—C24—C23119.23 (18)
N3—Co1—C3691.59 (7)C25—C24—C34121.77 (19)
O7—Co1—C3630.34 (7)C23—C24—C34118.92 (19)
N2—Co1—C3683.63 (7)C24—C25—C26120.6 (2)
N1—C1—C2122.7 (2)C24—C25—H25A119.7
N1—C1—H1A118.6C26—C25—H25A119.7
C2—C1—H1A118.6C25—C26—C21120.8 (2)
C3—C2—C1119.9 (2)C25—C26—H26A119.6
C3—C2—H2A120.1C21—C26—H26A119.6
C1—C2—H2A120.1C32—C27—C28118.43 (18)
C2—C3—C4117.3 (2)C32—C27—C21119.95 (19)
C2—C3—C8121.7 (2)C28—C27—C21121.48 (18)
C4—C3—C8121.0 (2)C29—C28—C27120.23 (19)
C5—C4—C3119.0 (2)C29—C28—H28A119.9
C5—C4—H4A120.5C27—C28—H28A119.9
C3—C4—H4A120.5C30—C29—C28121.0 (2)
N1—C5—C4123.1 (2)C30—C29—H29A119.5
N1—C5—H5A118.5C28—C29—H29A119.5
C4—C5—H5A118.5C29—C30—C31119.22 (18)
N2—C6—C7123.8 (2)C29—C30—C35121.1 (2)
N2—C6—H6A118.1C31—C30—C35119.62 (19)
C7—C6—H6A118.1C32—C31—C30119.32 (19)
C6—C7—C8119.6 (2)C32—C31—C36116.05 (18)
C6—C7—H7A120.2C30—C31—C36124.49 (17)
C8—C7—H7A120.2C27—C32—C31121.76 (19)
C9—C8—C7116.82 (19)C27—C32—H32A119.1
C9—C8—C3122.9 (2)C31—C32—H32A119.1
C7—C8—C3120.2 (2)O1—C33—O2126.0 (2)
C8—C9—C10119.9 (2)O1—C33—C23117.37 (19)
C8—C9—H9A120.0O2—C33—C23116.58 (19)
C10—C9—H9A120.0O3—C34—O4123.4 (2)
N2—C10—C9123.3 (2)O3—C34—C24122.6 (2)
N2—C10—H10A118.3O4—C34—C24113.95 (19)
C9—C10—H10A118.3O6—C35—O5123.6 (2)
N3—C11—C12124.4 (2)O6—C35—C30123.3 (2)
N3—C11—H11A117.8O5—C35—C30113.08 (19)
C12—C11—H11A117.8O7—C36—O8122.0 (2)
C13—C12—C11118.7 (2)O7—C36—C31119.0 (2)
C13—C12—H12A120.6O8—C36—C31118.4 (2)
C11—C12—H12A120.6O7—C36—Co162.22 (12)
C14—C13—C12117.2 (2)O8—C36—Co159.96 (11)
C14—C13—C18121.8 (2)C31—C36—Co1168.81 (14)
C12—C13—C18121.1 (2)C5—N1—C1117.9 (2)
C13—C14—C15120.2 (2)C6—N2—C10116.49 (19)
C13—C14—H14A119.9C6—N2—Co1121.34 (15)
C15—C14—H14A119.9C10—N2—Co1121.53 (16)
N3—C15—C14122.8 (3)C15—N3—C11116.5 (2)
N3—C15—H15A118.6C15—N3—Co1122.41 (17)
C14—C15—H15A118.6C11—N3—Co1120.75 (16)
N4—C16—C17122.6 (3)C20—N4—C16118.2 (2)
N4—C16—H16A118.7C33—O1—Co1iii124.20 (15)
C17—C16—H16A118.7C33—O2—Co1i139.83 (13)
C16—C17—C18119.3 (3)C34—O4—H1109.2
C16—C17—H17A120.4C35—O5—H2109.2
C18—C17—H17A120.4C36—O7—Co187.44 (14)
C19—C18—C17117.8 (2)C36—O8—Co189.37 (13)
Symmetry codes: (i) −x, −y, −z+1; (ii) x, y, z−1; (iii) x, y, z+1.
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O4—H1···N4iv0.821.852.624 (3)157
O5—H2···N1v0.821.882.655 (2)157
Symmetry codes: (iv) x−1, y−1, z+1; (v) x+1, y+1, z.
Table 1
Selected geometric parameters (Å, °) top
Co1—O2i2.0369 (16)Co1—N32.1716 (19)
Co1—O1ii2.0519 (17)Co1—O72.1885 (18)
Co1—O82.1394 (18)Co1—N22.2072 (19)
O2i—Co1—O1ii99.25 (7)O8—Co1—O760.97 (7)
O2i—Co1—O8103.34 (7)N3—Co1—O789.13 (7)
O1ii—Co1—O8157.16 (7)O2i—Co1—N296.19 (7)
O2i—Co1—N389.85 (7)O1ii—Co1—N294.62 (7)
O1ii—Co1—N385.19 (7)O8—Co1—N286.34 (7)
O8—Co1—N391.48 (7)N3—Co1—N2173.91 (7)
O2i—Co1—O7164.24 (6)O7—Co1—N284.84 (7)
O1ii—Co1—O796.34 (7)
Symmetry codes: (i) −x, −y, −z+1; (ii) x, y, z−1.
Table 2
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O4—H1···N4iii0.821.852.624 (3)157
O5—H2···N1iv0.821.882.655 (2)157
Symmetry codes: (iii) x−1, y−1, z+1; (iv) x+1, y+1, z.
Acknowledgements top

This work was financially supported by the National Natural Science Foundation of China (grant No. 20701006), the Foundation for Excellent Youth of Jilin, China (grant No. 20070103) and the Science Foundation for Young Teachers of Northeast Normal University (grant No. 20070303).

references
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