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

Journal logoCRYSTALLOGRAPHIC
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ISSN: 2056-9890
Volume 66| Part 4| April 2010| Pages m445-m446

{6-[(2-Anilinoeth­yl)imino­meth­yl]-2-eth­oxyphenolato}(thio­cyanato-κN)­copper(II)

aDepartment of Chemistry, Huzhou University, Huzhou 313000, People's Republic of China
*Correspondence e-mail: chenyi_wang@163.com

(Received 18 March 2010; accepted 18 March 2010; online 24 March 2010)

In the title complex, [Cu(C17H19N2O2)(NCS)], the CuII atom is chelated by the phenolate O atom, the imine N atom and the amine N atom of the N,N′,O-tridentate 2-eth­oxy-6-[(2-anilino­ethyl)­iminometh­yl]phenolate ligand, and by the N atom of a thio­cyanate anion, forming a distorted CuON3 square-planar geometry. The dihedral angle between the aromatic rings of the ligand is 67.9 (4)°. In the crystal, inversion dimers linked by pairs of N—H⋯O hydrogen bonds occur, generating R22(8) loops.

Related literature

For background to the structures and properties of copper complexes, see: Collinson & Fenton (1996[Collinson, S. R. & Fenton, D. E. (1996). Coord. Chem. Rev. 148, 19-40.]); Hossain et al. (1996[Hossain, M. E., Alam, M. N., Begum, J., Ali, M. A., Nazimuddin, M., Smith, F. E. & Hynes, R. C. (1996). Inorg. Chim. Acta, 249, 207-213.]); Tarafder et al. (2002[Tarafder, M. T. H., Jin, K. T., Crouse, K. A., Ali, A. M., Yamin, B. M. & Fun, H.-K. (2002). Polyhedron, 21, 2547-2554.]); Musie et al. (2003[Musie, G. T., Li, X. & Powell, D. R. (2003). Inorg. Chim. Acta, 348, 69-74.]); García-Raso et al. (2003[García-Raso, Á., Fiol, J. J., López-Zafra, A., Castro, J. A., Cabrero, A., Mata, I. & Molins, E. (2003). Polyhedron, 22, 403-409.]); Reddy et al. (2000[Reddy, P. A. N., Datta, R. & Chakravarty, A. R. (2000). Inorg. Chem. Commun. 3, 322-324.]); Ray et al. (2003[Ray, M. S., Bhattacharya, R. B., Chaudhuri, S., Righi, L., Bocelli, G., Mukhopadhyay, G. & Ghosh, A. (2003). Polyhedron 22, 617-624.]); Arnold et al. (2003[Arnold, P. J., Davies, S. C., Durrant, M. C., Griffiths, D. V., Hughes, D. L. & Sharpe, P. C. (2003). Inorg. Chim. Acta, 348, 143-149.]); Raptopoulou et al. (1998[Raptopoulou, C. P., Papadopoulos, A. N., Malamatari, D. A., Ioannidis, E., Moisidis, G., Terzis, A. & Kessissoglou, D. P. (1998). Inorg. Chim. Acta, 272, 283-290.]). For related structures, see: Wang et al. (2009a[Wang, C.-Y., Wu, X., Tu, S.-J. & Jiang, B. (2009a). Synth. React. Inorg. Met. Org. Nano Met. Chem. 39, 78-82.],b[Wang, C.-Y., Ye, J.-Y., Lv, C.-Y., Lan, W.-Z. & Zhou, J.-B. (2009b). J. Coord. Chem. 62, 2164-2171.]); Wang (2009[Wang, C.-Y. (2009). J. Coord. Chem. 62, 2860-2868.]); Hebbachi & Benali-Cherif (2005[Hebbachi, R. & Benali-Cherif, N. (2005). Acta Cryst. E61, m1188-m1190.]); Butcher et al. (2003[Butcher, R. J., Mockler, G. M. & McKern, O. (2003). Acta Cryst. E59, m1104-m1106.]); Elmali et al. (2000[Elmali, A., Zeyrek, C. T., Elerman, Y. & Svoboda, I. (2000). Acta Cryst. C56, 1302-1304.]); Warda et al. (1997[Warda, S. A., Friebel, C., Sivý, J., Plesch, G. & Bláhová, M. (1997). Acta Cryst. C53, 50-54.]).

[Scheme 1]

Experimental

Crystal data
  • [Cu(C17H19N2O2)(NCS)]

  • Mr = 404.96

  • Orthorhombic, P b c n

  • a = 13.6786 (5) Å

  • b = 10.4938 (4) Å

  • c = 25.2618 (10) Å

  • V = 3626.1 (2) Å3

  • Z = 8

  • Mo Kα radiation

  • μ = 1.34 mm−1

  • T = 298 K

  • 0.30 × 0.27 × 0.27 mm

Data collection
  • Bruker SMART CCD diffractometer

  • Absorption correction: multi-scan (SADABS; Sheldrick, 1996[Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.]) Tmin = 0.690, Tmax = 0.714

  • 19741 measured reflections

  • 3746 independent reflections

  • 2041 reflections with I > 2σ(I)

  • Rint = 0.069

Refinement
  • R[F2 > 2σ(F2)] = 0.055

  • wR(F2) = 0.182

  • S = 1.03

  • 3746 reflections

  • 229 parameters

  • 13 restraints

  • H atoms treated by a mixture of independent and constrained refinement

  • Δρmax = 1.25 e Å−3

  • Δρmin = −0.64 e Å−3

Table 1
Selected bond lengths (Å)

Cu1—O1 1.914 (3)
Cu1—N1 1.926 (4)
Cu1—N3 1.941 (4)
Cu1—N2 2.076 (4)

Table 2
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
N2—H2⋯O1i 0.90 (1) 2.07 (3) 2.920 (6) 157 (5)
Symmetry code: (i) -x+2, -y, -z+1.

Data collection: SMART (Bruker, 1998[Bruker (1998). SMART and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Bruker, 1998[Bruker (1998). SMART and SAINT. Bruker AXS 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; software used to prepare material for publication: SHELXTL.

Supporting information


Comment top

Copper(II) complexes have been received much attention for their versatile biological activities and interesting structures (Collinson & Fenton, 1996; Hossain et al., 1996; Tarafder et al., 2002; Musie et al., 2003; García-Raso et al., 2003). Considerable effort has been made to construct a variety of copper(II) complexes in an attempt to model the physical and chemical behaviour of copper-containing enzymes (Reddy et al., 2000). The peculiarity of copper lies in its ability to form complexes with coordination number four, five, and six (Ray et al., 2003; Arnold et al., 2003; Raptopoulou et al., 1998).

As part of our onging investigations into urease inhibitors (Wang et al., 2009a,b; Wang, 2009), we have synthesized the title compound, (I), a new CuII complex, and its crystal structure is reported here. The CuII atom in the complex is chelated by the phenolate O atom, imine N atom, and the amine N atom of 2-ethoxy-6-[(2-phenylaminoethylimino)methyl]phenolate, and by the N atom of a thiocyanate ligand, giving a square planar geometry (Fig. 1). The coordinate bond lengths and angles (Table 1) are typical and are comparable with those observed in other related copper(II) complexes (Hebbachi & Benali-Cherif, 2005; Butcher et al., 2003; Elmali et al., 2000; Warda et al., 1997).

Related literature top

For background to the structures and properties of copper complexes, see: Collinson & Fenton (1996); Hossain et al. (1996); Tarafder et al. (2002); Musie et al. (2003); García-Raso et al. (2003); Reddy et al. (2000); Ray et al. (2003); Arnold et al. (2003); Raptopoulou et al. (1998). For related structures, see: Wang et al. (2009a,b); Wang (2009); Hebbachi & Benali-Cherif (2005); Butcher et al. (2003); Elmali et al. (2000); Warda et al. (1997).

Experimental top

3-Ethoxysalicylaldehyde (1.0 mmol, 166 mg), N-phenyl-1,2-diaminoethane (1.0 mmol, 136 mg), ammonium thiocyanate (1.0 mmol, 76 mg), and Cu(CH3COO)2.H2O (1.0 mmol, 200 mg) were dissolved in methanol (80 ml). The mixture was stirred at room temperature for about 1 h to give a blue solution. After keeping the solution in air for a few days, blue blocks of (I) were formed.

Refinement top

H2 was located from a difference Fourier map and refined isotropically, with N—H distance of 0.90 (1) Å. Other H atoms were placed in geometrically idealized positions and constrained to ride on their parent atoms, with C—H distances of 0.93-0.97 Å, and with Uiso(H) set at 1.2Ueq(C) and 1.5Ueq(C17).

Computing details top

Data collection: SMART (Bruker, 1998); cell refinement: SAINT (Bruker, 1998); data reduction: SAINT (Bruker, 1998); 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 molecular structure of (I), showing displacement ellipsoids drawn at the 30% probability level.
{6-[(2-Anilinoethyl)iminomethyl]-2-ethoxyphenolato}(thiocyanato- κN)copper(II) top
Crystal data top
[Cu(C17H19N2O2)(NCS)]F(000) = 1672
Mr = 404.96Dx = 1.484 Mg m3
Orthorhombic, PbcnMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2n 2abCell parameters from 2506 reflections
a = 13.6786 (5) Åθ = 2.4–24.9°
b = 10.4938 (4) ŵ = 1.34 mm1
c = 25.2618 (10) ÅT = 298 K
V = 3626.1 (2) Å3Block, blue
Z = 80.30 × 0.27 × 0.27 mm
Data collection top
Bruker SMART CCD
diffractometer
3746 independent reflections
Radiation source: fine-focus sealed tube2041 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.069
ω scanθmax = 26.5°, θmin = 1.6°
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
h = 1716
Tmin = 0.690, Tmax = 0.714k = 1312
19741 measured reflectionsl = 2631
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)] = 0.055Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.182H atoms treated by a mixture of independent and constrained refinement
S = 1.03 w = 1/[σ2(Fo2) + (0.0843P)2 + 3.6378P]
where P = (Fo2 + 2Fc2)/3
3746 reflections(Δ/σ)max = 0.001
229 parametersΔρmax = 1.25 e Å3
13 restraintsΔρmin = 0.64 e Å3
Crystal data top
[Cu(C17H19N2O2)(NCS)]V = 3626.1 (2) Å3
Mr = 404.96Z = 8
Orthorhombic, PbcnMo Kα radiation
a = 13.6786 (5) ŵ = 1.34 mm1
b = 10.4938 (4) ÅT = 298 K
c = 25.2618 (10) Å0.30 × 0.27 × 0.27 mm
Data collection top
Bruker SMART CCD
diffractometer
3746 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
2041 reflections with I > 2σ(I)
Tmin = 0.690, Tmax = 0.714Rint = 0.069
19741 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.05513 restraints
wR(F2) = 0.182H atoms treated by a mixture of independent and constrained refinement
S = 1.03Δρmax = 1.25 e Å3
3746 reflectionsΔρmin = 0.64 e Å3
229 parameters
Special details top

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.

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
Cu10.88473 (4)0.07765 (5)0.49939 (2)0.0424 (2)
O10.9189 (3)0.0617 (3)0.57256 (13)0.0498 (9)
O20.9226 (4)0.0030 (7)0.67464 (19)0.0976 (17)
S10.82168 (12)0.35452 (14)0.52360 (11)0.1050 (8)
N10.9061 (3)0.2590 (4)0.50007 (17)0.0454 (10)
N20.9049 (3)0.0938 (4)0.41821 (16)0.0468 (10)
N30.8557 (4)0.1032 (4)0.49588 (17)0.0568 (12)
C10.9081 (4)0.2849 (6)0.5943 (2)0.0625 (15)
C20.9123 (4)0.1538 (6)0.6078 (2)0.0528 (14)
C30.9115 (5)0.1206 (8)0.6623 (2)0.0731 (18)
C40.9057 (6)0.2158 (12)0.7003 (3)0.108 (3)
H40.90430.19300.73580.130*
C50.9020 (7)0.3417 (12)0.6870 (4)0.123 (4)
H50.89900.40340.71340.148*
C60.9027 (5)0.3772 (8)0.6348 (4)0.094 (3)
H60.89950.46310.62600.113*
C70.9110 (4)0.3275 (5)0.5412 (3)0.0585 (15)
H70.91720.41490.53600.070*
C80.9046 (4)0.3177 (5)0.4472 (2)0.0597 (16)
H8A0.94360.39480.44710.072*
H8B0.83820.33970.43740.072*
C90.9458 (4)0.2233 (5)0.4086 (2)0.0567 (14)
H9A0.93030.25000.37280.068*
H9B1.01630.22070.41210.068*
C100.8236 (4)0.0581 (6)0.3843 (2)0.0529 (14)
C110.7402 (5)0.1237 (8)0.3838 (3)0.110 (3)
H110.73440.19550.40520.132*
C120.6615 (6)0.0878 (10)0.3522 (5)0.124 (3)
H120.60350.13390.35380.149*
C130.6683 (6)0.0091 (11)0.3208 (3)0.092 (3)
H130.61740.02910.29780.110*
C140.7499 (7)0.0807 (10)0.3217 (3)0.117 (3)
H140.75380.15320.30060.141*
C150.8299 (6)0.0466 (9)0.3544 (3)0.105 (3)
H150.88610.09640.35510.126*
C160.8566 (12)0.0681 (15)0.6821 (7)0.215 (7)
H16A0.82540.08410.64830.258*
H16B0.81020.02100.70360.258*
C170.8735 (8)0.1978 (12)0.7090 (4)0.154 (4)
H17A0.85500.26500.68530.232*
H17B0.83480.20290.74060.232*
H17C0.94140.20650.71800.232*
C180.8418 (4)0.2070 (5)0.5072 (2)0.0523 (13)
H20.952 (3)0.035 (4)0.413 (2)0.080*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Cu10.0542 (4)0.0294 (3)0.0437 (4)0.0002 (2)0.0047 (3)0.0060 (3)
O10.058 (2)0.048 (2)0.0435 (19)0.0116 (17)0.0025 (16)0.0050 (16)
O20.076 (3)0.147 (5)0.069 (3)0.005 (4)0.018 (3)0.042 (3)
S10.0524 (9)0.0341 (8)0.228 (2)0.0038 (7)0.0174 (12)0.0304 (11)
N10.042 (2)0.033 (2)0.061 (3)0.0013 (16)0.000 (2)0.006 (2)
N20.047 (3)0.051 (3)0.042 (2)0.003 (2)0.0037 (19)0.006 (2)
N30.074 (3)0.034 (2)0.063 (3)0.002 (2)0.006 (2)0.004 (2)
C10.053 (4)0.065 (4)0.069 (4)0.000 (3)0.006 (3)0.018 (3)
C20.047 (3)0.065 (4)0.047 (3)0.001 (3)0.002 (2)0.005 (3)
C30.063 (4)0.102 (5)0.054 (4)0.001 (4)0.004 (3)0.006 (4)
C40.087 (6)0.182 (10)0.056 (4)0.012 (7)0.016 (4)0.040 (6)
C50.115 (8)0.140 (9)0.115 (8)0.022 (7)0.028 (6)0.067 (8)
C60.092 (6)0.083 (5)0.106 (6)0.011 (4)0.028 (5)0.049 (5)
C70.054 (3)0.036 (3)0.086 (5)0.003 (2)0.005 (3)0.007 (3)
C80.058 (4)0.043 (3)0.078 (4)0.001 (3)0.004 (3)0.028 (3)
C90.045 (3)0.064 (4)0.061 (3)0.000 (3)0.003 (3)0.022 (3)
C100.045 (3)0.072 (4)0.042 (3)0.003 (3)0.003 (2)0.012 (3)
C110.062 (5)0.122 (7)0.146 (7)0.022 (5)0.032 (5)0.036 (6)
C120.068 (6)0.140 (9)0.164 (9)0.010 (5)0.048 (6)0.012 (7)
C130.068 (5)0.152 (8)0.056 (4)0.039 (6)0.019 (4)0.032 (5)
C140.092 (6)0.166 (9)0.095 (6)0.021 (6)0.019 (5)0.057 (6)
C150.067 (5)0.140 (8)0.108 (6)0.007 (5)0.015 (4)0.053 (6)
C160.199 (10)0.184 (10)0.261 (11)0.002 (8)0.075 (8)0.001 (8)
C170.148 (7)0.157 (8)0.158 (7)0.017 (6)0.054 (6)0.036 (6)
C180.046 (3)0.034 (3)0.077 (4)0.001 (2)0.007 (3)0.004 (3)
Geometric parameters (Å, º) top
Cu1—O11.914 (3)C7—H70.9300
Cu1—N11.926 (4)C8—C91.499 (8)
Cu1—N31.941 (4)C8—H8A0.9700
Cu1—N22.076 (4)C8—H8B0.9700
O1—C21.316 (6)C9—H9A0.9700
O2—C161.148 (15)C9—H9B0.9700
O2—C31.342 (9)C10—C111.332 (9)
S1—C181.627 (5)C10—C151.336 (9)
N1—C71.265 (7)C11—C121.392 (11)
N1—C81.470 (6)C11—H110.9300
N2—C101.452 (7)C12—C131.294 (12)
N2—C91.489 (7)C12—H120.9300
N2—H20.901 (10)C13—C141.346 (12)
N3—C181.142 (7)C13—H130.9300
C1—C61.411 (9)C14—C151.419 (10)
C1—C71.414 (8)C14—H140.9300
C1—C21.419 (8)C15—H150.9300
C2—C31.420 (8)C16—C171.538 (17)
C3—C41.388 (11)C16—H16A0.9700
C4—C51.364 (13)C16—H16B0.9700
C4—H40.9300C17—H17A0.9600
C5—C61.371 (13)C17—H17B0.9600
C5—H50.9300C17—H17C0.9600
C6—H60.9300
O1—Cu1—N192.33 (17)C9—C8—H8A110.1
O1—Cu1—N390.50 (16)N1—C8—H8B110.1
N1—Cu1—N3176.25 (19)C9—C8—H8B110.1
O1—Cu1—N2158.24 (17)H8A—C8—H8B108.4
N1—Cu1—N284.73 (18)N2—C9—C8110.9 (4)
N3—Cu1—N293.54 (17)N2—C9—H9A109.5
C2—O1—Cu1124.9 (3)C8—C9—H9A109.5
C16—O2—C3121.6 (10)N2—C9—H9B109.5
C7—N1—C8120.6 (5)C8—C9—H9B109.5
C7—N1—Cu1125.2 (4)H9A—C9—H9B108.1
C8—N1—Cu1113.8 (3)C11—C10—C15118.3 (6)
C10—N2—C9115.3 (4)C11—C10—N2121.9 (6)
C10—N2—Cu1117.4 (3)C15—C10—N2119.7 (6)
C9—N2—Cu1106.5 (3)C10—C11—C12121.9 (8)
C10—N2—H2107 (4)C10—C11—H11119.0
C9—N2—H2109 (4)C12—C11—H11119.0
Cu1—N2—H2100 (4)C13—C12—C11120.6 (9)
C18—N3—Cu1162.8 (5)C13—C12—H12119.7
C6—C1—C7118.2 (7)C11—C12—H12119.7
C6—C1—C2119.6 (7)C12—C13—C14119.2 (7)
C7—C1—C2122.2 (5)C12—C13—H13120.4
O1—C2—C1123.5 (5)C14—C13—H13120.4
O1—C2—C3118.4 (6)C13—C14—C15120.6 (8)
C1—C2—C3118.1 (6)C13—C14—H14119.7
O2—C3—C4122.7 (7)C15—C14—H14119.7
O2—C3—C2117.5 (6)C10—C15—C14119.2 (8)
C4—C3—C2119.6 (8)C10—C15—H15120.4
C5—C4—C3122.0 (9)C14—C15—H15120.4
C5—C4—H4119.0O2—C16—C17118.8 (15)
C3—C4—H4119.0O2—C16—H16A107.6
C4—C5—C6119.9 (9)C17—C16—H16A107.6
C4—C5—H5120.0O2—C16—H16B107.6
C6—C5—H5120.0C17—C16—H16B107.6
C5—C6—C1120.8 (9)H16A—C16—H16B107.1
C5—C6—H6119.6C16—C17—H17A109.5
C1—C6—H6119.6C16—C17—H17B109.5
N1—C7—C1126.7 (5)H17A—C17—H17B109.5
N1—C7—H7116.7C16—C17—H17C109.5
C1—C7—H7116.7H17A—C17—H17C109.5
N1—C8—C9108.0 (4)H17B—C17—H17C109.5
N1—C8—H8A110.1N3—C18—S1179.6 (6)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N2—H2···O1i0.90 (1)2.07 (3)2.920 (6)157 (5)
Symmetry code: (i) x+2, y, z+1.

Experimental details

Crystal data
Chemical formula[Cu(C17H19N2O2)(NCS)]
Mr404.96
Crystal system, space groupOrthorhombic, Pbcn
Temperature (K)298
a, b, c (Å)13.6786 (5), 10.4938 (4), 25.2618 (10)
V3)3626.1 (2)
Z8
Radiation typeMo Kα
µ (mm1)1.34
Crystal size (mm)0.30 × 0.27 × 0.27
Data collection
DiffractometerBruker SMART CCD
diffractometer
Absorption correctionMulti-scan
(SADABS; Sheldrick, 1996)
Tmin, Tmax0.690, 0.714
No. of measured, independent and
observed [I > 2σ(I)] reflections
19741, 3746, 2041
Rint0.069
(sin θ/λ)max1)0.627
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.055, 0.182, 1.03
No. of reflections3746
No. of parameters229
No. of restraints13
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å3)1.25, 0.64

Computer programs: SMART (Bruker, 1998), SAINT (Bruker, 1998), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008), SHELXTL (Sheldrick, 2008.

Selected bond lengths (Å) top
Cu1—O11.914 (3)Cu1—N31.941 (4)
Cu1—N11.926 (4)Cu1—N22.076 (4)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N2—H2···O1i0.901 (10)2.07 (3)2.920 (6)157 (5)
Symmetry code: (i) x+2, y, z+1.
 

Acknowledgements

This work was supported by the Natural Science Foundation of China (grant No. 30771696), the Natural Science Foundation of Zhejiang Province (grant No. Y407318) and the Science and Technology Plan of Huzhou (grant No. 2009 GG06).

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Volume 66| Part 4| April 2010| Pages m445-m446
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