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Acta Cryst. (2008). E64, m1471-m1472    [ doi:10.1107/S1600536808034570 ]

[mu]-[alpha]-Methylglutarato-bis{aqua[bis(2-pyridylcarbonyl)aminato]copper(II)} trihydrate

H.-Z. Xie, W.-J. Pan, W. Xu and J.-L. Lin

Abstract top

In the title compound, [Cu2(C12H8N3O2)2(C6H8O4)(H2O)2]·3H2O, both crystallographically independent Cu atoms are in similar distorted square-pyramidal coordination environments. The dinuclear complex molecules are assembled into one-dimensional supramolecular chains extending in the [100] direction by hydrogen bonds. Interchain hydrogen bonds further link these chains into layers perpendicular to [001].

Comment top

Chemistry of multi-metal-centered complexes attracted much attention because they often show interesting properties induced by direct and indirect M—M interactions such as magnetism (Ohkoshi & Hashimoto, 1999), conductivity (Yamamoto et al., 1998) and photoactivity (Ohkoshi, et al., 1998). Generally, the utilization of multidentate O– and N-donor ligands is an effective strategy to construct this kind of complex molecules. Hence, bpca (bis(2-pyridylcarbonyl)aminato) ligand is often used to prepare polynuclear complexes, (Lescouezec et al., 2005; Kamiyama et al., 2000; Kooijman et al., 2006; Kajiwara et al., 2002). However, investigations of the combination of bpca and dicarboxylate anions to design polynuclear ligands is limited. A novel dinuclear complex [Cu2(C10H8N3O2)2(C6H8O4)(H2O)2].3H2O was conceived as described.

Tptz (2,4,6-Tripyridyl-1,3,5-triazine) will only hydrolyse in the presence of concentrated mineral acids and temperatures above 150°C (Smolin & Rapoport, 1959) or in the presence of Cu2+ ions under mild conditions (Toma et al., 2005). In absence of any acids reaction of tptz and Cu2+ produced [Cu(bpca)(tca)].2H2O (tca: 2-pyridinecarboxylate) (Zheng et al., 2006). In the title compound tptz undergoes hydrolysis in the presence of α-methylglutaric acid.

The title crystal structure contains solvate water molecules and the dinuclear [Cu2(C10H8N3O2)2(C6H8O4) (H2O)2] complex (Fig 1). Both Cu atoms within the complex appear in similar square pyramidal coordination environments with the three N atoms of a bis(2-pyridylcarbonyl)amine (bpca) ligand and one O atoms of the α-methylglutarato ligand situtated at basal corners and one O atoms from the aqua ligand at apical position with normal Cu—N and Cu—O bond lengths (Wei et al., 2002). The Cu—O bond 2.273 (2) Å and 2.272 (2) Å is slightly longer than that of basal ones which vary from 1.939 (2) Å to 2.015 (2) Å. Through intermolecular hydrogen bonds between the uncoordinated carboxylate O atoms and coordinated aqua ligand [O3—O5i = 2.835 (2) Å and O6—O8i = 2.819 (2) Å; symmetry code: (i) x + 1, y, z], respectively, the dinuclear complex molecules [Cu2(C10H8N3O2)2(C6H8O4)(H2O)2] are assembled into infinite chains extending in the [100] directions. The resulting chains are further interlinked into two-dimensional layers, perpendicular to the [001] direction, by interchain hydrogen bonds between the O1 of a bpca ligand and O6 of an aqua ligand (Fig. 2). The two-dimensional layers are stacked parallel and the solvate water molecules are sandwiched between them. Extensive hydrogen bonding exist between the included water molecules and the carbonyl O atoms of α-methylglutarato ligands or between the carboxylate O atoms of the α-methylglutarato ligand (Table 1).

Related literature top

For general background, see: Kajiwara et al. (2002); Kamiyama et al. (2000); Kooijman et al. (2006); Lescouezec et al. (2005); Ohkoshi & Hashimoto (1999); Ohkoshi et al. (1998); Smolin & Rapoport (1959); Toma et al. (2005); Yamamoto et al. (1998); Zheng et al. (2006). For related structures, see: Wei et al. (2002).

Experimental top

Addition of 2.0 ml (1.0 M) NaOH to a stirred aqueous solution of CuCl2.2H2O (0.172 g, 1.0 mmol) yielded a blue precipitate. After centrifugation, the blue precipitate was subsequently added to a strirred solution of tptz (0.312 g, 1.0 mmol) and α-methylglutaric acid (0.146 g, 1.0 mmol) in 20 ml CH3OH–H2O (1:1 v/v). The resulting blue solution (pH = 6.13) was kept at room temperature and slow solvent evaporation afforded blue crystals (yield: 45% based on the initial CuCl2.2H2O input).

Refinement top

H atoms bonded to C atoms were placed in geometrically calulated positons and refined using a riding moldel, with Uiso(H) = 1.2Ueq(C). Water H atoms were found in difference Fourier synthesis and refined with th O—H distances fixed as initially found, with Uiso(H) = 1.2Ueq(O).

Computing details top

Data collection: RAPID-AUTO (Rigaku, 1998); cell refinement: RAPID-AUTO (Rigaku, 1998); data reduction: CrystalStructure (Rigaku/MSC, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPII (Johnson, 1976); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top
[Figure 1] Fig. 1. ORTEP view of the title complex with displacement ellipsoids drawn at the 45% probability level, H atoms omitted for visibility.
[Figure 2] Fig. 2. Two-dimensional supramolecular layer in the crystal perpendicular to the [001]direction with H-atoms omitted, broken lines indicate H-bridges.
µ-α-Methylglutarato-bis{aqua[bis(2-pyridylcarbonyl)aminato]copper(II)} trihydrate top
Crystal data top
[Cu2(C12H8N3O2)2(C6H8O4)(H2O)2]·3H2OF(000) = 3344
Mr = 813.71Dx = 1.615 Mg m−3
Orthorhombic, PbcnMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2n 2abCell parameters from 37378 reflections
a = 7.2712 (15) Åθ = 3.0–27.5°
b = 26.910 (5) ŵ = 1.35 mm−1
c = 34.207 (7) ÅT = 293 K
V = 6693 (2) Å3Prism, blue
Z = 80.31 × 0.28 × 0.18 mm
Data collection top
Rigaku R-AXIS RAPID
diffractometer		7670 independent reflections
Radiation source: fine-focus sealed tube5714 reflections with I > 2σ(I)
graphiteRint = 0.045
Detector resolution: 0 pixels mm-1θmax = 27.5°, θmin = 3.0°
ω scansh = −9→9
Absorption correction: multi-scan
(ABSCOR; Higashi, 1995)		k = −34→34
Tmin = 0.502, Tmax = 0.547l = −37→44
55287 measured reflections
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) = 0.108H-atom parameters constrained
S = 1.05 w = 1/[σ2(Fo2) + (0.0539P)2 + 2.9935P]
where P = (Fo2 + 2Fc2)/3
7670 reflections(Δ/σ)max = 0.001
461 parametersΔρmax = 0.48 e Å−3
0 restraintsΔρmin = −0.26 e Å−3
Crystal data top
[Cu2(C12H8N3O2)2(C6H8O4)(H2O)2]·3H2OV = 6693 (2) Å3
Mr = 813.71Z = 8
Orthorhombic, PbcnMo Kα radiation
a = 7.2712 (15) ŵ = 1.35 mm−1
b = 26.910 (5) ÅT = 293 K
c = 34.207 (7) Å0.31 × 0.28 × 0.18 mm
Data collection top
Rigaku R-AXIS RAPID
diffractometer		7670 independent reflections
Absorption correction: multi-scan
(ABSCOR; Higashi, 1995)		5714 reflections with I > 2σ(I)
Tmin = 0.502, Tmax = 0.547Rint = 0.045
55287 measured reflectionsθmax = 27.5°
Refinement top
R[F2 > 2σ(F2)] = 0.039H-atom parameters constrained
wR(F2) = 0.108Δρmax = 0.48 e Å−3
S = 1.05Δρmin = −0.26 e Å−3
7670 reflectionsAbsolute structure: ?
461 parametersFlack parameter: ?
0 restraintsRogers parameter: ?
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Cu10.54934 (4)0.175121 (11)0.399089 (8)0.03535 (9)
Cu20.53997 (4)0.428788 (12)0.359585 (9)0.03870 (10)
N10.6355 (3)0.39906 (8)0.30992 (6)0.0419 (5)
N20.5980 (3)0.49025 (8)0.33255 (6)0.0419 (5)
N30.4645 (3)0.47635 (8)0.40161 (6)0.0407 (5)
N40.6124 (3)0.22696 (8)0.43940 (6)0.0390 (5)
N50.5884 (3)0.13085 (8)0.44302 (6)0.0406 (5)
N60.4822 (3)0.11127 (8)0.37233 (6)0.0373 (5)
O10.6058 (3)0.57559 (7)0.34103 (6)0.0569 (5)
O20.7173 (4)0.51996 (9)0.27399 (6)0.0710 (7)
O30.8095 (3)0.40705 (9)0.38851 (6)0.0580 (5)
H3A0.90770.39110.37920.070*
H3B0.81480.41940.41040.070*
O40.4229 (2)0.36961 (7)0.38088 (6)0.0455 (4)
O50.1669 (3)0.40030 (7)0.35585 (6)0.0520 (5)
O60.8389 (3)0.17044 (8)0.37424 (7)0.0631 (6)
H6A0.93440.18040.38300.076*
H6B0.85440.14310.36420.076*
O70.4551 (2)0.22091 (7)0.35979 (5)0.0422 (4)
O80.1987 (3)0.20334 (8)0.39062 (6)0.0545 (5)
O90.6702 (4)0.13072 (8)0.50887 (6)0.0742 (7)
O100.6010 (3)0.04711 (7)0.45907 (6)0.0548 (5)
O11−0.1837 (5)0.12871 (10)0.26137 (10)0.1035 (10)
H11B−0.18640.10000.27540.124*
H11A−0.24080.16080.25880.124*
O12−0.1091 (4)0.43917 (9)0.46254 (6)0.0694 (6)
H12A−0.07010.47020.46360.083*
H12B−0.01900.42450.47530.083*
O13−0.3775 (4)0.21512 (10)0.28183 (7)0.0788 (7)
H13A−0.48030.21030.27120.095*
H13B−0.40910.21860.30470.095*
C10.6535 (4)0.35111 (11)0.30126 (9)0.0494 (7)
H10.61770.32760.31970.059*
C20.7233 (4)0.33506 (13)0.26606 (9)0.0587 (8)
H20.73390.30130.26060.070*
C30.7770 (5)0.37017 (14)0.23906 (9)0.0634 (9)
H30.82450.36030.21500.076*
C40.7601 (4)0.41966 (13)0.24782 (8)0.0560 (8)
H40.79560.44370.22980.067*
C50.6896 (4)0.43331 (11)0.28384 (7)0.0427 (6)
C60.6701 (4)0.48686 (11)0.29562 (8)0.0461 (6)
C70.5733 (3)0.53352 (10)0.35210 (8)0.0424 (6)
C80.4951 (3)0.52436 (10)0.39251 (8)0.0405 (6)
C90.4558 (4)0.56223 (12)0.41808 (9)0.0536 (7)
H90.47850.59510.41130.064*
C100.3814 (5)0.55019 (13)0.45422 (9)0.0592 (8)
H100.35330.57510.47210.071*
C110.3496 (4)0.50144 (13)0.46335 (8)0.0569 (8)
H110.29970.49280.48750.068*
C120.3924 (4)0.46541 (12)0.43645 (8)0.0498 (7)
H120.37050.43230.44270.060*
C130.2503 (4)0.36850 (9)0.37466 (7)0.0383 (6)
C140.1458 (4)0.32513 (10)0.39196 (8)0.0464 (6)
H14A0.05440.33760.41010.056*
H14B0.23050.30430.40650.056*
C150.0508 (4)0.29403 (10)0.36086 (9)0.0495 (7)
H15A−0.03780.27220.37330.059*
H15B−0.01550.31580.34320.059*
C160.1865 (4)0.26321 (11)0.33775 (8)0.0454 (6)
H160.27910.28550.32660.054*
C170.2841 (4)0.22620 (10)0.36493 (7)0.0401 (6)
C180.0964 (5)0.23415 (14)0.30441 (10)0.0677 (9)
H18A0.18900.21610.29030.081*
H18B0.03550.25680.28700.081*
H18C0.00830.21120.31500.081*
C190.6176 (4)0.27655 (10)0.43521 (8)0.0469 (6)
H190.59750.29020.41060.056*
C200.6518 (5)0.30785 (11)0.46620 (10)0.0591 (8)
H200.65510.34210.46250.071*
C210.6809 (5)0.28799 (12)0.50268 (9)0.0613 (8)
H210.70080.30850.52410.074*
C220.6800 (4)0.23712 (12)0.50692 (8)0.0546 (7)
H220.70250.22290.53120.065*
C230.6456 (4)0.20759 (10)0.47502 (7)0.0428 (6)
C240.6377 (4)0.15139 (10)0.47802 (8)0.0459 (6)
C250.5724 (3)0.08108 (10)0.43633 (8)0.0392 (6)
C260.5099 (3)0.07091 (9)0.39491 (7)0.0362 (5)
C270.4783 (4)0.02377 (10)0.38124 (8)0.0446 (6)
H270.4976−0.00360.39730.054*
C280.4175 (4)0.01755 (11)0.34332 (9)0.0503 (7)
H280.3970−0.01420.33340.060*
C290.3879 (4)0.05820 (11)0.32057 (9)0.0518 (7)
H290.34500.05470.29510.062*
C300.4223 (4)0.10465 (10)0.33579 (8)0.0460 (6)
H300.40320.13240.32010.055*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Cu10.04081 (18)0.03272 (16)0.03252 (16)0.00093 (12)−0.00488 (13)0.00500 (12)
Cu20.03813 (18)0.03853 (18)0.03945 (17)−0.00216 (13)0.00413 (13)0.00180 (13)
N10.0352 (11)0.0474 (13)0.0429 (12)−0.0011 (10)−0.0028 (9)−0.0040 (10)
N20.0423 (12)0.0409 (12)0.0424 (11)−0.0042 (10)0.0038 (10)0.0018 (10)
N30.0343 (11)0.0438 (12)0.0441 (12)0.0003 (9)0.0023 (9)0.0013 (10)
N40.0388 (11)0.0392 (11)0.0390 (11)−0.0006 (9)−0.0043 (9)0.0026 (9)
N50.0498 (13)0.0361 (11)0.0358 (11)−0.0021 (9)−0.0064 (10)0.0069 (9)
N60.0378 (11)0.0363 (11)0.0378 (11)−0.0002 (9)−0.0003 (9)0.0045 (9)
O10.0696 (14)0.0403 (11)0.0607 (12)−0.0068 (10)0.0064 (11)0.0039 (9)
O20.0964 (18)0.0621 (14)0.0544 (12)−0.0039 (13)0.0194 (13)0.0150 (11)
O30.0429 (11)0.0751 (14)0.0562 (12)0.0099 (10)−0.0059 (9)−0.0121 (11)
O40.0365 (10)0.0407 (10)0.0594 (12)0.0002 (8)0.0034 (9)0.0073 (9)
O50.0456 (11)0.0405 (10)0.0699 (13)0.0011 (9)−0.0042 (10)0.0123 (9)
O60.0454 (12)0.0494 (12)0.0944 (17)−0.0048 (9)0.0140 (12)−0.0135 (11)
O70.0443 (10)0.0427 (10)0.0395 (9)0.0084 (8)−0.0055 (8)0.0053 (8)
O80.0469 (11)0.0563 (12)0.0601 (12)0.0039 (10)−0.0005 (10)0.0112 (10)
O90.120 (2)0.0585 (13)0.0436 (11)−0.0118 (14)−0.0271 (13)0.0149 (10)
O100.0743 (14)0.0414 (11)0.0487 (11)−0.0025 (10)−0.0117 (10)0.0150 (9)
O110.128 (3)0.0629 (17)0.120 (2)0.0112 (17)0.010 (2)0.0282 (16)
O120.0928 (18)0.0621 (14)0.0531 (12)0.0024 (13)−0.0098 (12)−0.0001 (11)
O130.0754 (16)0.100 (2)0.0607 (14)−0.0013 (15)0.0081 (12)0.0096 (14)
C10.0420 (15)0.0497 (16)0.0565 (16)−0.0013 (13)−0.0056 (13)−0.0061 (13)
C20.0512 (17)0.063 (2)0.0615 (19)0.0038 (15)−0.0064 (15)−0.0207 (16)
C30.0538 (18)0.086 (3)0.0502 (17)0.0043 (17)−0.0012 (15)−0.0222 (17)
C40.0498 (16)0.080 (2)0.0383 (14)−0.0017 (16)0.0020 (13)−0.0009 (15)
C50.0353 (13)0.0568 (16)0.0360 (12)−0.0018 (12)−0.0035 (11)0.0009 (12)
C60.0408 (14)0.0555 (17)0.0421 (14)−0.0031 (12)0.0004 (12)0.0079 (13)
C70.0344 (13)0.0439 (15)0.0489 (15)−0.0047 (11)0.0003 (11)0.0006 (12)
C80.0312 (12)0.0464 (15)0.0440 (14)−0.0023 (11)−0.0009 (10)−0.0019 (12)
C90.0493 (17)0.0514 (17)0.0601 (18)−0.0007 (13)0.0030 (14)−0.0114 (14)
C100.0567 (18)0.068 (2)0.0533 (17)0.0021 (16)0.0031 (15)−0.0180 (16)
C110.0513 (17)0.079 (2)0.0404 (14)0.0042 (16)0.0073 (13)−0.0023 (15)
C120.0474 (15)0.0566 (17)0.0455 (15)0.0016 (13)0.0048 (13)0.0056 (13)
C130.0440 (14)0.0319 (13)0.0388 (13)0.0017 (11)0.0061 (11)−0.0013 (10)
C140.0473 (15)0.0421 (15)0.0496 (15)−0.0018 (12)0.0071 (13)0.0056 (12)
C150.0400 (15)0.0373 (14)0.071 (2)−0.0006 (12)−0.0042 (14)0.0079 (13)
C160.0416 (14)0.0508 (16)0.0438 (14)−0.0005 (12)−0.0076 (12)0.0048 (12)
C170.0474 (15)0.0376 (13)0.0354 (12)0.0008 (12)−0.0051 (12)−0.0009 (11)
C180.075 (2)0.076 (2)0.0524 (18)−0.0053 (19)−0.0135 (17)0.0037 (17)
C190.0488 (15)0.0430 (15)0.0490 (15)0.0003 (12)−0.0070 (13)0.0048 (12)
C200.066 (2)0.0412 (16)0.070 (2)−0.0052 (14)−0.0114 (17)−0.0046 (14)
C210.071 (2)0.0567 (19)0.0564 (18)−0.0087 (16)−0.0156 (16)−0.0119 (15)
C220.0607 (19)0.0628 (19)0.0402 (14)−0.0070 (15)−0.0134 (14)−0.0012 (13)
C230.0436 (15)0.0456 (15)0.0391 (13)−0.0039 (12)−0.0060 (11)0.0033 (11)
C240.0533 (16)0.0468 (15)0.0377 (13)−0.0045 (13)−0.0078 (12)0.0079 (12)
C250.0361 (13)0.0393 (13)0.0421 (13)−0.0007 (10)0.0002 (11)0.0078 (11)
C260.0307 (12)0.0380 (13)0.0400 (13)−0.0010 (10)0.0047 (10)0.0047 (11)
C270.0493 (15)0.0344 (13)0.0502 (15)−0.0023 (12)0.0051 (13)0.0052 (12)
C280.0556 (17)0.0411 (15)0.0541 (16)−0.0073 (13)0.0039 (14)−0.0068 (13)
C290.0605 (18)0.0534 (17)0.0417 (14)−0.0065 (14)−0.0039 (14)−0.0052 (13)
C300.0586 (17)0.0401 (14)0.0392 (14)−0.0010 (13)−0.0059 (12)0.0041 (12)
Geometric parameters (Å, °) top
Cu1—N51.939 (2)C3—H30.9300
Cu1—O71.9479 (17)C4—C51.384 (4)
Cu1—N62.007 (2)C4—H40.9300
Cu1—N42.014 (2)C5—C61.503 (4)
Cu1—O62.274 (2)C7—C81.515 (4)
Cu2—N21.941 (2)C8—C91.373 (4)
Cu2—O41.9470 (19)C9—C101.388 (4)
Cu2—N32.001 (2)C9—H90.9300
Cu2—N12.002 (2)C10—C111.368 (5)
Cu2—O32.272 (2)C10—H100.9300
N1—C11.330 (4)C11—C121.373 (4)
N1—C51.342 (3)C11—H110.9300
N2—C71.355 (3)C12—H120.9300
N2—C61.371 (3)C13—C141.513 (4)
N3—C121.335 (3)C14—C151.520 (4)
N3—C81.347 (4)C14—H14A0.9700
N4—C191.342 (3)C14—H14B0.9700
N4—C231.347 (3)C15—C161.512 (4)
N5—C251.364 (3)C15—H15A0.9700
N5—C241.366 (3)C15—H15B0.9700
N6—C301.336 (3)C16—C181.530 (4)
N6—C261.348 (3)C16—C171.536 (4)
O1—C71.217 (3)C16—H160.9800
O2—C61.208 (3)C18—H18A0.9600
O3—H3A0.8924C18—H18B0.9600
O3—H3B0.8203C18—H18C0.9600
O4—C131.274 (3)C19—C201.376 (4)
O5—C131.230 (3)C19—H190.9300
O6—H6A0.8019C20—C211.374 (4)
O6—H6B0.8200C20—H200.9300
O7—C171.264 (3)C21—C221.377 (4)
O8—C171.239 (3)C21—H210.9300
O9—C241.216 (3)C22—C231.373 (4)
O10—C251.218 (3)C22—H220.9300
O11—H11B0.9101C23—C241.517 (4)
O11—H11A0.9623C25—C261.513 (4)
O12—H12A0.8813C26—C271.371 (4)
O12—H12B0.8800C27—C281.380 (4)
O13—H13A0.8412C27—H270.9300
O13—H13B0.8222C28—C291.360 (4)
C1—C21.376 (4)C28—H280.9300
C1—H10.9300C29—C301.377 (4)
C2—C31.378 (5)C29—H290.9300
C2—H20.9300C30—H300.9300
C3—C41.370 (5)
N5—Cu1—O7167.20 (9)C11—C10—C9119.5 (3)
N5—Cu1—N682.13 (9)C11—C10—H10120.2
O7—Cu1—N698.13 (8)C9—C10—H10120.2
N5—Cu1—N482.04 (9)C10—C11—C12119.1 (3)
O7—Cu1—N496.56 (8)C10—C11—H11120.5
N6—Cu1—N4163.82 (8)C12—C11—H11120.5
N5—Cu1—O696.91 (9)N3—C12—C11122.1 (3)
O7—Cu1—O695.88 (8)N3—C12—H12118.9
N6—Cu1—O690.41 (8)C11—C12—H12118.9
N4—Cu1—O694.80 (8)O5—C13—O4123.8 (2)
N2—Cu2—O4165.95 (9)O5—C13—C14119.6 (2)
N2—Cu2—N381.77 (9)O4—C13—C14116.6 (2)
O4—Cu2—N397.74 (9)C13—C14—C15112.3 (2)
N2—Cu2—N182.00 (9)C13—C14—H14A109.1
O4—Cu2—N198.17 (9)C15—C14—H14A109.1
N3—Cu2—N1163.76 (9)C13—C14—H14B109.1
N2—Cu2—O3103.84 (9)C15—C14—H14B109.1
O4—Cu2—O390.20 (8)H14A—C14—H14B107.9
N3—Cu2—O395.07 (8)C16—C15—C14111.8 (2)
N1—Cu2—O388.13 (8)C16—C15—H15A109.3
C1—N1—C5119.3 (2)C14—C15—H15A109.3
C1—N1—Cu2127.6 (2)C16—C15—H15B109.3
C5—N1—Cu2113.05 (18)C14—C15—H15B109.3
C7—N2—C6124.2 (2)H15A—C15—H15B107.9
C7—N2—Cu2117.93 (17)C15—C16—C18113.0 (3)
C6—N2—Cu2117.74 (18)C15—C16—C17109.9 (2)
C12—N3—C8118.8 (2)C18—C16—C17108.5 (2)
C12—N3—Cu2127.4 (2)C15—C16—H16108.4
C8—N3—Cu2113.71 (17)C18—C16—H16108.4
C19—N4—C23118.4 (2)C17—C16—H16108.4
C19—N4—Cu1128.44 (18)O8—C17—O7122.4 (2)
C23—N4—Cu1113.08 (17)O8—C17—C16121.3 (2)
C25—N5—C24124.5 (2)O7—C17—C16116.3 (2)
C25—N5—Cu1117.44 (17)C16—C18—H18A109.5
C24—N5—Cu1117.98 (17)C16—C18—H18B109.5
C30—N6—C26118.5 (2)H18A—C18—H18B109.5
C30—N6—Cu1128.33 (18)C16—C18—H18C109.5
C26—N6—Cu1113.10 (17)H18A—C18—H18C109.5
Cu2—O3—H3A131.2H18B—C18—H18C109.5
Cu2—O3—H3B109.5N4—C19—C20122.1 (3)
H3A—O3—H3B118.9N4—C19—H19119.0
C13—O4—Cu2112.80 (16)C20—C19—H19119.0
Cu1—O6—H6A130.1C21—C20—C19119.3 (3)
Cu1—O6—H6B109.5C21—C20—H20120.4
H6A—O6—H6B109.6C19—C20—H20120.4
C17—O7—Cu1108.74 (16)C20—C21—C22118.8 (3)
H11B—O11—H11A143.2C20—C21—H21120.6
H12A—O12—H12B99.4C22—C21—H21120.6
H13A—O13—H13B100.4C23—C22—C21119.5 (3)
N1—C1—C2122.4 (3)C23—C22—H22120.2
N1—C1—H1118.8C21—C22—H22120.2
C2—C1—H1118.8N4—C23—C22121.9 (3)
C1—C2—C3118.4 (3)N4—C23—C24116.1 (2)
C1—C2—H2120.8C22—C23—C24122.0 (2)
C3—C2—H2120.8O9—C24—N5128.8 (3)
C4—C3—C2119.6 (3)O9—C24—C23120.5 (3)
C4—C3—H3120.2N5—C24—C23110.7 (2)
C2—C3—H3120.2O10—C25—N5128.0 (3)
C3—C4—C5119.0 (3)O10—C25—C26120.9 (2)
C3—C4—H4120.5N5—C25—C26111.1 (2)
C5—C4—H4120.5N6—C26—C27121.7 (2)
N1—C5—C4121.2 (3)N6—C26—C25115.8 (2)
N1—C5—C6116.9 (2)C27—C26—C25122.5 (2)
C4—C5—C6121.9 (3)C26—C27—C28119.1 (3)
O2—C6—N2128.6 (3)C26—C27—H27120.5
O2—C6—C5121.1 (3)C28—C27—H27120.5
N2—C6—C5110.3 (2)C29—C28—C27119.4 (3)
O1—C7—N2128.3 (3)C29—C28—H28120.3
O1—C7—C8120.5 (3)C27—C28—H28120.3
N2—C7—C8111.1 (2)C28—C29—C30119.0 (3)
N3—C8—C9122.0 (3)C28—C29—H29120.5
N3—C8—C7115.4 (2)C30—C29—H29120.5
C9—C8—C7122.6 (3)N6—C30—C29122.3 (3)
C8—C9—C10118.4 (3)N6—C30—H30118.9
C8—C9—H9120.8C29—C30—H30118.9
C10—C9—H9120.8
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O3—H3A···O5i0.892.062.835 (4)144
O3—H3B···O12i0.821.942.740 (4)164
O6—H6A···O8i0.802.042.819 (4)165
O6—H6B···O1ii0.822.002.822 (4)179
O11—H11A···O130.9621.942.808 (4)150
O11—H11B···O2iii0.9102.172.968 (4)146
O11—H11B···O1iii0.9102.413.129 (4)136
O12—H12A···O10iv0.882.092.907 (4)154
O12—H12B···O9v0.882.102.935 (4)159
O12—H12B···O10v0.882.533.108 (4)124
O13—H13B···O7vi0.8202.132.933 (4)168
Symmetry codes: (i) x+1, y, z; (ii) −x+3/2, y−1/2, z; (iii) −x+1/2, y−1/2, z; (iv) −x+1/2, y+1/2, z; (v) x−1/2, −y+1/2, −z+1; (vi) x−1, y, z.
Table 1
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O3—H3A···O5i0.892.062.835 (4)144
O3—H3B···O12i0.821.942.740 (4)164
O6—H6A···O8i0.802.042.819 (4)165
O6—H6B···O1ii0.822.002.822 (4)179
O11—H11A···O130.9621.942.808 (4)150
O11—H11B···O2iii0.9102.172.968 (4)146
O11—H11B···O1iii0.9102.413.129 (4)136
O12—H12A···O10iv0.882.092.907 (4)154
O12—H12B···O9v0.882.102.935 (4)159
O12—H12B···O10v0.882.533.108 (4)124
O13—H13B···O7vi0.8202.132.933 (4)168
Symmetry codes: (i) x+1, y, z; (ii) −x+3/2, y−1/2, z; (iii) −x+1/2, y−1/2, z; (iv) −x+1/2, y+1/2, z; (v) x−1/2, −y+1/2, −z+1; (vi) x−1, y, z.
Acknowledgements top

The project was supported by the Expert Project of Key Basic Research of the Ministry of Science and Technology of China (grant No. 2003CCA00800), the Ningbo Municipal Natural Science Foundation (grant No. 2006 A610061) and the Ningbo University Foundation (008–460452 and 008–460453), and sponsored by the K. C. Wong Magna Fund of Ningbo University.

references
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