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Acta Cryst. (2008). E64, m1406    [ doi:10.1107/S1600536808032613 ]

Triaqua(N2,N4-di-2-pyridylpyrimidine-2,4-diamine)cobalt(II) fumarate

M. Yang

Abstract top

The Co atom in the title compound, [Co(C14H12N6)(H2O)3]C4H2O4, has a mer-CoN3O3 octahedral coordination arising from the tridentate N2,N4-di-2-pyridylpyrimidine-2,4-diamine (tpda) ligand and three coordinated water molecules. The asymmetric unit contains two fumarate half-anions, both completed by inversion symmetry. A network of N-H...O and O-H...O hydrogen bonds leads to a three-dimensional network in the crystal structure.

Comment top

Transition metal complexes with polypyridylamine ligands, possessing diverse structures and unusual optical and electromagnetic properties (Sheu et al.,1996), have aroused great interest among researchers. The tri-pyridyldiamine ligand can exhibit donor as well as acceptor properties and can act as a chelating ligand (Peng et al., 2000). In this paper, we report the synthesis and crystal structure of the title compound, (I), (Fig. 1).

The Co atom in (I) has an octahedral coordination formed by the N,N,N-tridentate tpda ligand and three coordinated water molecules. The tpda ligand is tri-coordinated, with the peripheral N1 and N5 atoms in the axial positions [N1—Co1—N5 = 174.48 (6)°] and the central N3 atom in the equatorial plane of the bipyramid. The remaining two equatorial positions are occupied by water molecules (Table 1). The three pyridine rings of the tpda ligand are not coplanar: the dihedral angles between the planes of the central pyridine ring and two peripheral rings are 18.5 (4) and 26.4 (2)° respectively.

The H atoms of both NH groups of the tpda ligand and coordinated water molecules are involved in hydrogen bonds with O atoms of carboxylate groups of fumarate which link the complex molecules to form an infinite three-dimensional network (Table 2, Fig. 2).

The molcular configuration of (I) is similar to that of [2,6-bis(2-pyridylamino)pyridine]dinitrato cadmium monohydrate (Fang et al., 2005).

Related literature top

For a related structure, see: Fang et al. (2005). For background, see: Sheu et al. (1996); Peng et al. (2000).

Experimental top

Tpda (0.025 g, 0.07 mmol), Co(NO3)2 (0.026 g, 0.1 mmol), fumaric acid (0.023 g, 0.09 mmol) and NaOH (0.041 g, 0.1 mmol) were mixed in acetonitrile, and the mixture was heated for six hours under reflux with stirring. The resultant was then filtered to give a solution which was infiltrated by diethyl ether in a closed vessel, one week later some pink blocks of (I) were obtained.

Refinement top

The water H atoms were located in a difference map and refined with the restraint O—H = 0.85 (1)Å and a fixed Uiso value of 0.08Å2. The other H atoms were positioned geometrically (C—H = 0.93Å, N—H = 0.86Å) and refined as riding with Uiso(H) = 1.2Ueq(carrier).

Computing details top

Data collection: SMART (Bruker, 1999); cell refinement: SAINT (Bruker, 1999); data reduction: SAINT (Bruker, 1999); 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 50% probability displacement ellipsoids for the non-hydrogen atoms. Symmetry codes: (i) 1-x, 1-y, -z; (ii) 1-x, -y, 2-z.
[Figure 2] Fig. 2. The packing diagram of (I), viewed along the a axis; hydrogen bonds are shown as dashed lines.
Triaqua(N2,N4-di-2-pyridylpyrimidine-2,4-diamine)cobalt(II) fumarate top
Crystal data top
[Co(C14H12N6)(H2O)3]C4H2O4F(000) = 1012
Mr = 491.33Dx = 1.566 Mg m−3
Monoclinic, P21/nMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ynCell parameters from 3746 reflections
a = 9.3239 (3) Åθ = 2.0–25.2°
b = 17.1115 (6) ŵ = 0.88 mm−1
c = 13.1395 (5) ÅT = 298 K
β = 96.224 (1)°Block, pink
V = 2084.00 (13) Å30.29 × 0.25 × 0.18 mm
Z = 4
Data collection top
Bruker APEX CCD
diffractometer		3746 independent reflections
Radiation source: fine-focus sealed tube3363 reflections with I > 2σ(I)
graphiteRint = 0.014
ω scansθmax = 25.2°, θmin = 2.0°
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)		h = −11→8
Tmin = 0.785, Tmax = 0.858k = −18→20
10365 measured reflectionsl = −15→15
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)] = 0.026Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.078H atoms treated by a mixture of independent and constrained refinement
S = 0.86 w = 1/[σ2(Fo2) + (0.06P)2 + 0.982P]
where P = (Fo2 + 2Fc2)/3
3746 reflections(Δ/σ)max = 0.001
307 parametersΔρmax = 0.28 e Å−3
9 restraintsΔρmin = −0.33 e Å−3
Crystal data top
[Co(C14H12N6)(H2O)3]C4H2O4V = 2084.00 (13) Å3
Mr = 491.33Z = 4
Monoclinic, P21/nMo Kα radiation
a = 9.3239 (3) ŵ = 0.88 mm−1
b = 17.1115 (6) ÅT = 298 K
c = 13.1395 (5) Å0.29 × 0.25 × 0.18 mm
β = 96.224 (1)°
Data collection top
Bruker APEX CCD
diffractometer		3746 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)		3363 reflections with I > 2σ(I)
Tmin = 0.785, Tmax = 0.858Rint = 0.014
10365 measured reflectionsθmax = 25.2°
Refinement top
R[F2 > 2σ(F2)] = 0.026H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.078Δρmax = 0.28 e Å−3
S = 0.86Δρmin = −0.33 e Å−3
3746 reflectionsAbsolute structure: ?
307 parametersFlack parameter: ?
9 restraintsRogers parameter: ?
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
Co10.89198 (2)0.212482 (12)0.174122 (15)0.02637 (9)
N11.07828 (17)0.25958 (9)0.12520 (12)0.0386 (3)
N21.12613 (18)0.14671 (9)0.03083 (12)0.0428 (4)
H21.15130.1318−0.02720.051*
N30.96644 (15)0.10180 (8)0.14666 (11)0.0311 (3)
N40.81107 (18)0.04503 (9)0.25721 (12)0.0418 (4)
H4A0.81470.01190.30660.050*
N50.69822 (17)0.16405 (10)0.20828 (12)0.0411 (4)
N61.1419 (2)0.01872 (10)0.08085 (15)0.0527 (4)
O10.80120 (15)0.22962 (8)0.02251 (10)0.0413 (3)
O20.98217 (16)0.20786 (7)0.32677 (10)0.0404 (3)
O30.82120 (18)0.31928 (8)0.21618 (11)0.0515 (4)
O40.31016 (15)0.62641 (8)0.05353 (10)0.0449 (3)
O50.2958 (2)0.57346 (11)−0.09942 (12)0.0843 (7)
O60.56949 (16)0.15459 (8)0.92018 (12)0.0521 (4)
O70.35145 (14)0.10201 (8)0.89469 (10)0.0432 (3)
C11.1139 (3)0.33447 (13)0.14869 (18)0.0572 (6)
H1A1.07420.35780.20310.069*
C21.2052 (3)0.37778 (15)0.0965 (2)0.0756 (8)
H2A1.22760.42910.11520.091*
C31.2637 (3)0.34310 (15)0.0147 (2)0.0701 (7)
H3A1.32290.3718−0.02410.084*
C41.2337 (3)0.26690 (14)−0.00838 (18)0.0548 (5)
H41.27280.2426−0.06240.066*
C51.1431 (2)0.22600 (11)0.05069 (14)0.0389 (4)
C61.0754 (2)0.08795 (10)0.08910 (14)0.0356 (4)
C71.0969 (2)−0.04032 (12)0.13765 (18)0.0523 (5)
H71.1423−0.08860.13550.063*
C80.9887 (2)−0.03233 (11)0.19754 (15)0.0425 (4)
H80.9600−0.07370.23650.051*
C90.9231 (2)0.03917 (10)0.19853 (13)0.0348 (4)
C100.6933 (2)0.09433 (12)0.25191 (15)0.0423 (4)
C110.5709 (3)0.06721 (17)0.2948 (2)0.0669 (7)
H110.57090.01860.32630.080*
C120.4505 (3)0.1148 (2)0.2887 (3)0.0845 (9)
H120.36880.09920.31800.101*
C130.4526 (3)0.1857 (2)0.2388 (2)0.0773 (8)
H130.37140.21760.23170.093*
C140.5759 (2)0.20770 (15)0.2004 (2)0.0587 (6)
H140.57660.25550.16670.070*
C150.4580 (2)0.51840 (11)0.02931 (13)0.0376 (4)
H150.46870.50680.09890.045*
C160.3459 (2)0.57780 (10)−0.00850 (14)0.0362 (4)
C170.5353 (2)0.03277 (11)0.99689 (14)0.0372 (4)
H170.62540.03711.03440.045*
C180.4805 (2)0.10121 (10)0.93323 (13)0.0353 (4)
H1C0.782 (3)0.2754 (7)0.005 (2)0.080*
H1D0.733 (2)0.2009 (12)0.001 (2)0.080*
H3D0.785 (3)0.3513 (12)0.1732 (13)0.080*
H3C0.827 (3)0.3404 (14)0.2742 (9)0.080*
H2C1.007 (3)0.2514 (8)0.353 (2)0.080*
H2D1.044 (2)0.1753 (10)0.350 (2)0.080*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Co10.02877 (14)0.02434 (14)0.02585 (14)0.00162 (8)0.00225 (9)−0.00098 (8)
N10.0415 (9)0.0367 (8)0.0378 (8)−0.0084 (7)0.0053 (7)−0.0034 (6)
N20.0500 (10)0.0384 (9)0.0432 (9)−0.0037 (7)0.0204 (7)−0.0032 (7)
N30.0336 (8)0.0285 (7)0.0315 (7)−0.0020 (6)0.0049 (6)−0.0015 (6)
N40.0486 (9)0.0378 (8)0.0410 (9)−0.0051 (7)0.0139 (7)0.0064 (7)
N50.0344 (8)0.0476 (9)0.0419 (9)0.0019 (7)0.0063 (7)−0.0009 (7)
N60.0538 (11)0.0425 (10)0.0641 (11)0.0088 (8)0.0162 (9)−0.0029 (8)
O10.0443 (8)0.0391 (7)0.0381 (7)−0.0007 (6)−0.0059 (6)0.0020 (6)
O20.0501 (8)0.0356 (7)0.0338 (7)0.0059 (6)−0.0036 (6)−0.0028 (5)
O30.0763 (10)0.0389 (8)0.0367 (7)0.0209 (7)−0.0056 (7)−0.0068 (6)
O40.0464 (8)0.0398 (7)0.0477 (8)0.0067 (6)0.0009 (6)−0.0092 (6)
O50.1314 (17)0.0680 (11)0.0454 (9)0.0625 (12)−0.0268 (10)−0.0174 (8)
O60.0531 (8)0.0400 (8)0.0595 (9)−0.0146 (7)−0.0111 (7)0.0168 (6)
O70.0394 (7)0.0431 (7)0.0461 (7)0.0006 (6)0.0008 (6)0.0109 (6)
C10.0691 (15)0.0468 (12)0.0583 (13)−0.0196 (11)0.0183 (11)−0.0138 (10)
C20.097 (2)0.0503 (14)0.0836 (18)−0.0367 (14)0.0304 (16)−0.0141 (13)
C30.0840 (18)0.0588 (15)0.0724 (16)−0.0314 (14)0.0309 (14)−0.0004 (12)
C40.0608 (14)0.0522 (12)0.0550 (13)−0.0138 (11)0.0225 (11)−0.0006 (10)
C50.0384 (10)0.0400 (10)0.0384 (10)−0.0056 (8)0.0051 (8)0.0000 (8)
C60.0361 (9)0.0350 (9)0.0362 (9)−0.0015 (7)0.0062 (7)−0.0028 (7)
C70.0587 (13)0.0326 (10)0.0659 (14)0.0109 (9)0.0079 (11)0.0020 (9)
C80.0549 (12)0.0283 (9)0.0450 (10)0.0014 (8)0.0083 (9)0.0069 (8)
C90.0400 (9)0.0329 (9)0.0313 (8)−0.0043 (7)0.0034 (7)−0.0007 (7)
C100.0396 (10)0.0512 (12)0.0371 (10)−0.0055 (9)0.0090 (8)−0.0025 (8)
C110.0558 (14)0.0774 (17)0.0714 (15)−0.0124 (13)0.0249 (12)0.0100 (13)
C120.0458 (14)0.122 (3)0.091 (2)−0.0025 (16)0.0318 (14)0.0096 (19)
C130.0408 (13)0.106 (2)0.087 (2)0.0129 (14)0.0168 (13)0.0048 (18)
C140.0410 (12)0.0697 (16)0.0651 (15)0.0102 (10)0.0054 (10)0.0038 (11)
C150.0460 (10)0.0327 (9)0.0335 (9)0.0025 (8)0.0009 (7)0.0030 (7)
C160.0419 (10)0.0295 (9)0.0362 (9)0.0008 (7)−0.0006 (8)−0.0026 (7)
C170.0382 (10)0.0358 (9)0.0364 (9)−0.0010 (7)−0.0016 (7)0.0053 (7)
C180.0420 (10)0.0329 (9)0.0308 (8)−0.0017 (8)0.0027 (7)0.0020 (7)
Geometric parameters (Å, °) top
Co1—O12.0989 (13)O6—C181.258 (2)
Co1—O22.0905 (13)O7—C181.254 (2)
Co1—O32.0396 (13)C1—C21.369 (3)
Co1—N12.0790 (15)C1—H1A0.9300
Co1—N32.0624 (14)C2—C31.390 (4)
Co1—N52.0803 (16)C2—H2A0.9300
N1—C51.335 (2)C3—C41.361 (3)
N1—C11.351 (3)C3—H3A0.9300
N2—C61.378 (2)C4—C51.396 (3)
N2—C51.387 (2)C4—H40.9300
N2—H20.8600C7—C81.352 (3)
N3—C61.352 (2)C7—H70.9300
N3—C91.355 (2)C8—C91.368 (3)
N4—C91.368 (2)C8—H80.9300
N4—C101.381 (3)C10—C111.405 (3)
N4—H4A0.8600C11—C121.381 (4)
N5—C101.327 (3)C11—H110.9300
N5—C141.358 (3)C12—C131.380 (4)
N6—C61.347 (2)C12—H120.9300
N6—C71.350 (3)C13—C141.358 (4)
O1—H1C0.832 (10)C13—H130.9300
O1—H1D0.829 (10)C14—H140.9300
O2—H2C0.841 (10)C15—C15i1.317 (4)
O2—H2D0.836 (10)C15—C161.503 (3)
O3—H3D0.832 (10)C15—H150.9300
O3—H3C0.840 (9)C17—C17ii1.308 (4)
O4—C161.235 (2)C17—C181.497 (2)
O5—C161.237 (2)C17—H170.9300
O3—Co1—N3174.38 (6)C4—C3—H3A120.2
O3—Co1—N192.41 (7)C2—C3—H3A120.2
N3—Co1—N189.63 (6)C3—C4—C5118.6 (2)
O3—Co1—N589.11 (7)C3—C4—H4120.7
N3—Co1—N589.35 (6)C5—C4—H4120.7
N1—Co1—N5174.48 (6)N1—C5—N2120.50 (17)
O3—Co1—O283.24 (5)N1—C5—C4122.78 (19)
N3—Co1—O291.44 (5)N2—C5—C4116.69 (18)
N1—Co1—O292.79 (6)N6—C6—N3125.42 (17)
N5—Co1—O292.66 (6)N6—C6—N2114.11 (16)
O3—Co1—O191.31 (6)N3—C6—N2120.46 (16)
N3—Co1—O194.07 (6)N6—C7—C8122.84 (19)
N1—Co1—O185.23 (6)N6—C7—H7118.6
N5—Co1—O189.44 (6)C8—C7—H7118.6
O2—Co1—O1174.13 (5)C7—C8—C9117.28 (18)
C5—N1—C1117.16 (17)C7—C8—H8121.4
C5—N1—Co1121.31 (12)C9—C8—H8121.4
C1—N1—Co1119.33 (14)N3—C9—N4120.86 (16)
C6—N2—C5130.39 (16)N3—C9—C8123.00 (17)
C6—N2—H2114.8N4—C9—C8116.13 (16)
C5—N2—H2114.8N5—C10—N4120.42 (17)
C6—N3—C9115.20 (15)N5—C10—C11122.6 (2)
C6—N3—Co1123.13 (11)N4—C10—C11117.0 (2)
C9—N3—Co1120.93 (11)C12—C11—C10118.2 (3)
C9—N4—C10131.96 (16)C12—C11—H11120.9
C9—N4—H4A114.0C10—C11—H11120.9
C10—N4—H4A114.0C13—C12—C11119.5 (2)
C10—N5—C14117.34 (18)C13—C12—H12120.3
C10—N5—Co1121.56 (13)C11—C12—H12120.3
C14—N5—Co1120.41 (15)C14—C13—C12118.4 (3)
C6—N6—C7116.15 (17)C14—C13—H13120.8
Co1—O1—H1C117 (2)C12—C13—H13120.8
Co1—O1—H1D118 (2)N5—C14—C13123.9 (2)
H1C—O1—H1D109.1 (16)N5—C14—H14118.1
Co1—O2—H2C114.8 (18)C13—C14—H14118.1
Co1—O2—H2D124.7 (19)C15i—C15—C16124.5 (2)
H2C—O2—H2D106.8 (15)C15i—C15—H15117.8
Co1—O3—H3D121.7 (17)C16—C15—H15117.8
Co1—O3—H3C129.8 (17)O4—C16—O5125.24 (18)
H3D—O3—H3C108.4 (15)O4—C16—C15117.70 (16)
N1—C1—C2123.4 (2)O5—C16—C15117.05 (16)
N1—C1—H1A118.3C17ii—C17—C18124.2 (2)
C2—C1—H1A118.3C17ii—C17—H17117.9
C1—C2—C3118.3 (2)C18—C17—H17117.9
C1—C2—H2A120.8O7—C18—O6123.72 (17)
C3—C2—H2A120.8O7—C18—C17119.26 (16)
C4—C3—C2119.5 (2)O6—C18—C17117.01 (16)
O3—Co1—N1—C5−151.20 (15)C3—C4—C5—N2−174.2 (2)
N3—Co1—N1—C534.03 (15)C7—N6—C6—N3−1.9 (3)
O2—Co1—N1—C5125.45 (15)C7—N6—C6—N2179.18 (18)
O1—Co1—N1—C5−60.08 (15)C9—N3—C6—N6−0.5 (3)
O3—Co1—N1—C111.43 (17)Co1—N3—C6—N6169.80 (15)
N3—Co1—N1—C1−163.33 (17)C9—N3—C6—N2178.32 (16)
O2—Co1—N1—C1−71.91 (17)Co1—N3—C6—N2−11.4 (2)
O1—Co1—N1—C1102.55 (17)C5—N2—C6—N6−144.6 (2)
N1—Co1—N3—C6−15.88 (14)C5—N2—C6—N336.5 (3)
N5—Co1—N3—C6158.70 (14)C6—N6—C7—C81.9 (3)
O2—Co1—N3—C6−108.66 (14)N6—C7—C8—C90.5 (3)
O1—Co1—N3—C669.31 (14)C6—N3—C9—N4−178.14 (16)
N1—Co1—N3—C9153.86 (14)Co1—N3—C9—N411.3 (2)
N5—Co1—N3—C9−31.56 (14)C6—N3—C9—C83.1 (3)
O2—Co1—N3—C961.08 (14)Co1—N3—C9—C8−167.37 (15)
O1—Co1—N3—C9−120.95 (13)C10—N4—C9—N326.2 (3)
O3—Co1—N5—C10−141.78 (15)C10—N4—C9—C8−155.0 (2)
N3—Co1—N5—C1032.82 (15)C7—C8—C9—N3−3.2 (3)
O2—Co1—N5—C10−58.59 (15)C7—C8—C9—N4178.03 (18)
O1—Co1—N5—C10126.90 (15)C14—N5—C10—N4176.3 (2)
O3—Co1—N5—C1428.44 (17)Co1—N5—C10—N4−13.2 (2)
N3—Co1—N5—C14−156.96 (17)C14—N5—C10—C11−4.0 (3)
O2—Co1—N5—C14111.63 (17)Co1—N5—C10—C11166.54 (18)
O1—Co1—N5—C14−62.88 (17)C9—N4—C10—N5−25.1 (3)
C5—N1—C1—C23.8 (4)C9—N4—C10—C11155.2 (2)
Co1—N1—C1—C2−159.5 (2)N5—C10—C11—C121.5 (4)
N1—C1—C2—C30.4 (5)N4—C10—C11—C12−178.8 (2)
C1—C2—C3—C4−2.7 (5)C10—C11—C12—C131.8 (5)
C2—C3—C4—C50.7 (4)C11—C12—C13—C14−2.5 (5)
C1—N1—C5—N2171.9 (2)C10—N5—C14—C133.3 (4)
Co1—N1—C5—N2−25.1 (2)Co1—N5—C14—C13−167.3 (2)
C1—N1—C5—C4−6.0 (3)C12—C13—C14—N5−0.1 (5)
Co1—N1—C5—C4157.03 (17)C15i—C15—C16—O4−155.6 (2)
C6—N2—C5—N1−15.7 (3)C15i—C15—C16—O525.1 (4)
C6—N2—C5—C4162.4 (2)C17ii—C17—C18—O711.0 (3)
C3—C4—C5—N13.8 (4)C17ii—C17—C18—O6−167.7 (2)
Symmetry codes: (i) −x+1, −y+1, −z; (ii) −x+1, −y, −z+2.
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O2—H2D···O4iii0.84 (1)1.94 (1)2.7396 (19)159 (2)
O2—H2C···O6iv0.84 (1)1.90 (1)2.7374 (18)176 (3)
O3—H3C···O7iv0.84 (1)1.86 (1)2.6929 (18)172 (3)
O3—H3D···O5i0.83 (1)1.73 (1)2.559 (2)171 (2)
O1—H1D···O6v0.83 (1)1.93 (1)2.7374 (19)165 (3)
O1—H1C···O4i0.83 (1)2.00 (1)2.8143 (19)166 (2)
N4—H4A···O5vi0.861.932.782 (2)169
N2—H2···O7vii0.862.283.002 (2)141
Symmetry codes: (iii) −x+3/2, y−1/2, −z+1/2; (iv) x+1/2, −y+1/2, z−1/2; (i) −x+1, −y+1, −z; (v) x, y, z−1; (vi) x+1/2, −y+1/2, z+1/2; (vii) x+1, y, z−1.
Table 1
Selected geometric parameters (Å) top
Co1—O12.0989 (13)Co1—N12.0790 (15)
Co1—O22.0905 (13)Co1—N32.0624 (14)
Co1—O32.0396 (13)Co1—N52.0803 (16)
Table 2
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O2—H2D···O4i0.84 (1)1.94 (1)2.7396 (19)159 (2)
O2—H2C···O6ii0.84 (1)1.90 (1)2.7374 (18)176 (3)
O3—H3C···O7ii0.84 (1)1.86 (1)2.6929 (18)172 (3)
O3—H3D···O5iii0.83 (1)1.73 (1)2.559 (2)171 (2)
O1—H1D···O6iv0.83 (1)1.93 (1)2.7374 (19)165 (3)
O1—H1C···O4iii0.83 (1)2.00 (1)2.8143 (19)166 (2)
N4—H4A···O5v0.861.932.782 (2)169
N2—H2···O7vi0.862.283.002 (2)141
Symmetry codes: (i) −x+3/2, y−1/2, −z+1/2; (ii) x+1/2, −y+1/2, z−1/2; (iii) −x+1, −y+1, −z; (iv) x, y, z−1; (v) x+1/2, −y+1/2, z+1/2; (vi) x+1, y, z−1.
Acknowledgements top

The authors are grateful to the Natural Science Foundation of Zhejiang Province (No. M203052) for financial support.

references
References top

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