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In the title compound, [Zn(C13H11N4O2)2], the Zn atom is coordinated in a distorted octa­hedral manner by pyridyl N atoms, amidrazonate N atoms and carbamoyl O atoms from two tridentate N3-salicyloylpyridine-2-carboxamidrazonate ligands. N—H...O hydrogen bonds link the mol­ecules to form a one-dimensional chain parallel to the b axis. The O—H...N hydrogen bonds are intra­molecular and do not participate in the packing.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536807052750/dn2252sup1.cif
Contains datablocks I, global

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S1600536807052750/dn2252Isup2.hkl
Contains datablock I

CCDC reference: 667234

Key indicators

  • Single-crystal X-ray study
  • T = 173 K
  • Mean [sigma](C-C) = 0.003 Å
  • R factor = 0.035
  • wR factor = 0.098
  • Data-to-parameter ratio = 13.2

checkCIF/PLATON results

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Alert level G PLAT794_ALERT_5_G Check Predicted Bond Valency for Zn1 (2) 1.90
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 0 ALERT level C = Check and explain 1 ALERT level G = General alerts; check 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 0 ALERT type 2 Indicator that the structure model may be wrong or deficient 0 ALERT type 3 Indicator that the structure quality may be low 0 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

Comment top

The N3-salicyloylpyridine-2-carboxamidrazonato ligand (abbreviated as Hspa) has several potential donor atoms and can occur in different chemical and structural conformations. In the Copper(II) coordination compound containing the dehydrogenated spa ligand (Van Koningsbruggen et al., 1993, 1995), this spa ligand is fairly planar, whereas in the title complex it is slighted bent around the central Zn—N bonds, with a dihedral angle of 21.15 (6)° between the two aromatic rings (Fig. 1).

There are two intramolecular O—H···N hydrogen bonds involving the hydroxyl groups, whereas intermolecular N—H···O hydrogen bonds connect the molecules to build up a chain parallel to the b axis (Fig. 2).

Related literature top

For a related structure, see: Van Koningsbruggen et al. (1993, 1995).

Experimental top

The ligand N3-salicyloylpyridine-2-carboxamidrazonato (Hspa) was synthesized according to literature (Van Koningsbruggen et al., 1993, 1995). [Zn(C13H11N4O2)2] was synthesized by adding ligand (0.0256 g, 0.10 mmol) and Et3N (0.010 g, 0.1 mmol) in 1 ml DMSO to a solution of Zn(acac)2 (0.0263 g, 0.10 mmol) in CH2Cl2 (4 ml). The compound crystallized upon evaporation of the solvent at room temperature after a few days.

Refinement top

H atoms of the hydroxyls were located in a difference synthesis and refined isotropically, and with Uiso(H) = 1.2Ueq(O). Other H atoms were positioned geometrically and refined using a riding mode, with Uiso(H) = 1.2 times Ueq(C, N).

Structure description top

The N3-salicyloylpyridine-2-carboxamidrazonato ligand (abbreviated as Hspa) has several potential donor atoms and can occur in different chemical and structural conformations. In the Copper(II) coordination compound containing the dehydrogenated spa ligand (Van Koningsbruggen et al., 1993, 1995), this spa ligand is fairly planar, whereas in the title complex it is slighted bent around the central Zn—N bonds, with a dihedral angle of 21.15 (6)° between the two aromatic rings (Fig. 1).

There are two intramolecular O—H···N hydrogen bonds involving the hydroxyl groups, whereas intermolecular N—H···O hydrogen bonds connect the molecules to build up a chain parallel to the b axis (Fig. 2).

For a related structure, see: Van Koningsbruggen et al. (1993, 1995).

Computing details top

Data collection: SMART (Bruker, 2002); cell refinement: SAINT-Plus (Bruker, 2003); data reduction: SAINT-Plus (Bruker, 2003); program(s) used to solve structure: SHELXTL (Bruker, 2000); program(s) used to refine structure: SHELXTL (Bruker, 2000); molecular graphics: SHELXTL (Bruker, 2000); software used to prepare material for publication: SHELXTL (Bruker, 2000).

Figures top
[Figure 1] Fig. 1. A view of the title compound with the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level. H atoms are represented as small spheres of arbitrary radii.
[Figure 2] Fig. 2. A packing diagram of the title compound. Hydrogen bonds are shown as dashed lines.
Bis[N3-(2-hydroxybenzoyl)pyridine-2-carboxamidrazonato- κ3N1,N2,O]zinc(II) top
Crystal data top
[Zn(C13H11N4O2)2]F(000) = 1184
Mr = 575.89Dx = 1.529 Mg m3
Monoclinic, P2/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ycCell parameters from 10850 reflections
a = 10.7704 (9) Åθ = 2.4–28.2°
b = 13.1196 (11) ŵ = 1.03 mm1
c = 19.6427 (14) ÅT = 173 K
β = 115.630 (4)°Block, yellow
V = 2502.5 (4) Å30.45 × 0.42 × 0.35 mm
Z = 4
Data collection top
Bruker APEX CCD
diffractometer
4662 independent reflections
Radiation source: sealed tube4269 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.023
φ and ω scansθmax = 25.5°, θmin = 1.6°
Absorption correction: multi-scan
(SADABS; Bruker, 2000)
h = 1311
Tmin = 0.636, Tmax = 0.700k = 1315
13224 measured reflectionsl = 2323
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)] = 0.035Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.098H-atom parameters constrained
S = 1.06 w = 1/[σ2(Fo2) + (0.0553P)2 + 1.8417P]
where P = (Fo2 + 2Fc2)/3
4662 reflections(Δ/σ)max = 0.002
354 parametersΔρmax = 0.85 e Å3
0 restraintsΔρmin = 0.47 e Å3
Crystal data top
[Zn(C13H11N4O2)2]V = 2502.5 (4) Å3
Mr = 575.89Z = 4
Monoclinic, P2/cMo Kα radiation
a = 10.7704 (9) ŵ = 1.03 mm1
b = 13.1196 (11) ÅT = 173 K
c = 19.6427 (14) Å0.45 × 0.42 × 0.35 mm
β = 115.630 (4)°
Data collection top
Bruker APEX CCD
diffractometer
4662 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2000)
4269 reflections with I > 2σ(I)
Tmin = 0.636, Tmax = 0.700Rint = 0.023
13224 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0350 restraints
wR(F2) = 0.098H-atom parameters constrained
S = 1.06Δρmax = 0.85 e Å3
4662 reflectionsΔρmin = 0.47 e Å3
354 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
Zn10.50740 (2)0.755008 (16)0.997968 (12)0.02136 (10)
O10.65569 (16)0.92559 (12)1.27605 (8)0.0318 (3)
H10.59910.92091.23040.048*
O20.65510 (14)0.71793 (11)1.11148 (8)0.0233 (3)
O30.66246 (17)0.57460 (12)0.79709 (9)0.0361 (4)
H3C0.60690.58010.81650.054*
O40.66491 (14)0.78488 (10)0.96013 (8)0.0234 (3)
N10.55574 (16)0.85711 (12)1.14099 (9)0.0225 (3)
N20.47785 (16)0.86238 (12)1.06345 (9)0.0214 (3)
N30.36365 (19)1.00564 (12)1.07950 (10)0.0261 (4)
H3A0.40371.00071.12910.031*
H3B0.30451.05511.05760.031*
N40.34997 (16)0.86802 (13)0.91667 (9)0.0238 (4)
N50.56026 (17)0.64891 (13)0.88078 (9)0.0243 (4)
N60.47942 (16)0.64650 (13)0.91961 (9)0.0225 (3)
N70.3818 (2)0.49273 (13)0.85983 (11)0.0301 (4)
H7A0.42410.49490.83030.036*
H7B0.32680.44140.85650.036*
N80.35017 (17)0.64502 (13)1.00461 (9)0.0251 (4)
C10.7504 (2)0.85039 (16)1.29318 (11)0.0268 (4)
C20.7468 (2)0.77696 (16)1.23975 (11)0.0248 (4)
C30.8479 (2)0.70121 (19)1.26353 (13)0.0337 (5)
H30.84580.65021.22870.040*
C40.9503 (2)0.6987 (2)1.33609 (14)0.0416 (6)
H41.01760.64611.35090.050*
C50.9556 (2)0.7724 (2)1.38756 (13)0.0384 (6)
H51.02780.77151.43730.046*
C60.8557 (2)0.84767 (19)1.36664 (12)0.0342 (5)
H60.85880.89761.40230.041*
C70.64676 (19)0.78135 (15)1.15900 (11)0.0207 (4)
C80.39280 (19)0.93784 (14)1.03738 (11)0.0205 (4)
C90.31880 (18)0.94341 (14)0.95347 (11)0.0202 (4)
C100.2237 (2)1.01911 (16)0.91557 (12)0.0253 (4)
H100.20381.07180.94260.030*
C110.1584 (2)1.01588 (17)0.83733 (12)0.0297 (5)
H110.09321.06680.80990.036*
C120.1884 (2)0.93879 (17)0.79973 (12)0.0314 (5)
H120.14380.93500.74620.038*
C130.2853 (2)0.86639 (17)0.84151 (11)0.0287 (5)
H130.30650.81330.81540.034*
C140.7624 (2)0.64543 (17)0.82713 (12)0.0298 (5)
C150.7599 (2)0.72169 (16)0.87768 (11)0.0248 (4)
C160.8671 (2)0.79311 (17)0.90454 (12)0.0299 (5)
H160.86500.84610.93700.036*
C170.9754 (2)0.7883 (2)0.88506 (14)0.0372 (5)
H171.04740.83720.90420.045*
C180.9785 (3)0.7114 (2)0.83724 (14)0.0414 (6)
H181.05430.70680.82480.050*
C190.8724 (3)0.6415 (2)0.80769 (13)0.0382 (5)
H190.87450.59040.77390.046*
C200.6551 (2)0.72165 (15)0.90799 (11)0.0214 (4)
C210.4011 (2)0.56730 (15)0.90969 (10)0.0222 (4)
C220.32611 (19)0.56442 (15)0.95812 (10)0.0207 (4)
C230.2401 (2)0.48520 (16)0.95648 (12)0.0263 (4)
H230.22570.42890.92350.032*
C240.1753 (2)0.48959 (17)1.00393 (13)0.0309 (5)
H240.11520.43651.00370.037*
C250.1992 (2)0.57185 (19)1.05130 (13)0.0358 (5)
H250.15630.57631.08450.043*
C260.2868 (2)0.64814 (18)1.04985 (13)0.0323 (5)
H260.30250.70511.08240.039*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Zn10.02212 (15)0.02048 (16)0.02072 (15)0.00079 (8)0.00856 (11)0.00534 (8)
O10.0361 (8)0.0338 (8)0.0204 (7)0.0050 (7)0.0075 (6)0.0043 (6)
O20.0244 (7)0.0239 (7)0.0199 (7)0.0020 (6)0.0079 (6)0.0023 (5)
O30.0447 (9)0.0381 (9)0.0352 (9)0.0083 (7)0.0263 (8)0.0123 (7)
O40.0261 (7)0.0216 (7)0.0233 (7)0.0018 (6)0.0115 (6)0.0036 (6)
N10.0232 (8)0.0240 (8)0.0166 (8)0.0011 (7)0.0051 (7)0.0021 (6)
N20.0208 (8)0.0232 (8)0.0168 (8)0.0000 (6)0.0050 (6)0.0033 (6)
N30.0323 (9)0.0242 (9)0.0196 (8)0.0074 (7)0.0092 (7)0.0009 (6)
N40.0220 (8)0.0261 (9)0.0214 (8)0.0021 (7)0.0077 (7)0.0036 (7)
N50.0280 (9)0.0251 (9)0.0230 (8)0.0030 (7)0.0140 (7)0.0039 (7)
N60.0231 (8)0.0245 (9)0.0209 (8)0.0023 (7)0.0105 (7)0.0047 (7)
N70.0438 (11)0.0241 (10)0.0300 (10)0.0115 (7)0.0231 (9)0.0086 (7)
N80.0235 (8)0.0266 (9)0.0250 (8)0.0014 (7)0.0101 (7)0.0049 (7)
C10.0278 (10)0.0298 (11)0.0224 (10)0.0026 (8)0.0106 (8)0.0018 (8)
C20.0229 (10)0.0291 (10)0.0216 (10)0.0018 (8)0.0090 (8)0.0012 (8)
C30.0299 (11)0.0402 (13)0.0282 (11)0.0074 (10)0.0099 (9)0.0019 (10)
C40.0309 (12)0.0556 (16)0.0317 (12)0.0145 (11)0.0072 (10)0.0094 (11)
C50.0278 (12)0.0568 (15)0.0207 (11)0.0018 (11)0.0013 (9)0.0074 (10)
C60.0346 (11)0.0424 (13)0.0216 (10)0.0064 (10)0.0086 (9)0.0012 (9)
C70.0213 (9)0.0211 (9)0.0200 (9)0.0016 (7)0.0091 (8)0.0003 (7)
C80.0196 (9)0.0195 (9)0.0222 (9)0.0040 (7)0.0089 (8)0.0019 (7)
C90.0165 (8)0.0211 (10)0.0215 (9)0.0039 (7)0.0068 (7)0.0009 (7)
C100.0225 (10)0.0240 (10)0.0260 (10)0.0011 (8)0.0072 (8)0.0013 (8)
C110.0235 (10)0.0317 (11)0.0262 (11)0.0009 (8)0.0034 (8)0.0053 (9)
C120.0281 (10)0.0404 (13)0.0195 (10)0.0055 (9)0.0043 (8)0.0001 (9)
C130.0281 (10)0.0338 (12)0.0227 (10)0.0035 (9)0.0096 (8)0.0064 (8)
C140.0362 (11)0.0315 (11)0.0258 (10)0.0013 (9)0.0172 (9)0.0022 (9)
C150.0289 (10)0.0258 (10)0.0219 (10)0.0018 (8)0.0131 (9)0.0043 (8)
C160.0322 (11)0.0308 (12)0.0278 (11)0.0001 (9)0.0139 (9)0.0043 (9)
C170.0307 (12)0.0452 (14)0.0377 (13)0.0061 (10)0.0165 (10)0.0057 (11)
C180.0376 (13)0.0578 (16)0.0398 (13)0.0034 (12)0.0270 (11)0.0063 (12)
C190.0443 (13)0.0442 (14)0.0353 (12)0.0018 (11)0.0259 (11)0.0013 (10)
C200.0253 (10)0.0194 (9)0.0191 (9)0.0023 (8)0.0093 (8)0.0018 (7)
C210.0229 (9)0.0224 (10)0.0184 (9)0.0014 (7)0.0063 (8)0.0003 (7)
C220.0166 (8)0.0234 (10)0.0179 (9)0.0020 (7)0.0036 (7)0.0008 (7)
C230.0206 (10)0.0264 (10)0.0279 (11)0.0020 (8)0.0067 (8)0.0019 (8)
C240.0229 (10)0.0336 (12)0.0357 (12)0.0032 (8)0.0122 (9)0.0033 (9)
C250.0319 (11)0.0438 (14)0.0388 (12)0.0000 (10)0.0220 (10)0.0005 (10)
C260.0307 (11)0.0377 (12)0.0322 (11)0.0018 (9)0.0170 (9)0.0085 (9)
Geometric parameters (Å, º) top
Zn1—N62.0213 (16)C4—C51.383 (4)
Zn1—N22.0234 (16)C4—H40.9500
Zn1—O22.1611 (14)C5—C61.385 (3)
Zn1—O42.1622 (14)C5—H50.9500
Zn1—N82.2711 (17)C6—H60.9500
Zn1—N42.2980 (17)C8—C91.490 (3)
O1—C11.352 (3)C9—C101.389 (3)
O1—H10.8400C10—C111.387 (3)
O2—C71.282 (2)C10—H100.9500
O3—C141.350 (3)C11—C121.371 (3)
O3—H3C0.8400C11—H110.9500
O4—C201.286 (2)C12—C131.387 (3)
N1—C71.332 (2)C12—H120.9500
N1—N21.387 (2)C13—H130.9500
N2—C81.294 (2)C14—C191.394 (3)
N3—C81.341 (3)C14—C151.418 (3)
N3—H3A0.8800C15—C161.400 (3)
N3—H3B0.8800C15—C201.487 (3)
N4—C131.333 (3)C16—C171.378 (3)
N4—C91.350 (3)C16—H160.9500
N5—C201.329 (3)C17—C181.389 (4)
N5—N61.384 (2)C17—H170.9500
N6—C211.299 (3)C18—C191.382 (4)
N7—C211.336 (3)C18—H180.9500
N7—H7A0.8800C19—H190.9500
N7—H7B0.8800C21—C221.491 (3)
N8—C261.335 (3)C22—C231.383 (3)
N8—C221.347 (3)C23—C241.386 (3)
C1—C61.398 (3)C23—H230.9500
C1—C21.413 (3)C24—C251.375 (3)
C2—C31.397 (3)C24—H240.9500
C2—C71.484 (3)C25—C261.384 (3)
C3—C41.374 (3)C25—H250.9500
C3—H30.9500C26—H260.9500
N6—Zn1—N2164.11 (7)N1—C7—C2115.06 (17)
N6—Zn1—O2115.33 (6)N2—C8—N3125.28 (18)
N2—Zn1—O275.46 (6)N2—C8—C9115.05 (16)
N6—Zn1—O475.32 (6)N3—C8—C9119.59 (17)
N2—Zn1—O4117.06 (6)N4—C9—C10122.22 (18)
O2—Zn1—O493.36 (5)N4—C9—C8114.73 (17)
N6—Zn1—N874.16 (6)C10—C9—C8123.05 (18)
N2—Zn1—N894.57 (6)C11—C10—C9118.35 (19)
O2—Zn1—N891.84 (6)C11—C10—H10120.8
O4—Zn1—N8148.25 (6)C9—C10—H10120.8
N6—Zn1—N495.92 (6)C12—C11—C10119.7 (2)
N2—Zn1—N473.79 (6)C12—C11—H11120.2
O2—Zn1—N4148.73 (6)C10—C11—H11120.2
O4—Zn1—N495.56 (6)C11—C12—C13118.61 (19)
N8—Zn1—N496.06 (6)C11—C12—H12120.7
C1—O1—H1109.5C13—C12—H12120.7
C7—O2—Zn1110.66 (12)N4—C13—C12122.9 (2)
C14—O3—H3C109.5N4—C13—H13118.5
C20—O4—Zn1110.50 (12)C12—C13—H13118.5
C7—N1—N2110.80 (15)O3—C14—C19117.8 (2)
C8—N2—N1117.46 (16)O3—C14—C15122.60 (19)
C8—N2—Zn1124.05 (13)C19—C14—C15119.6 (2)
N1—N2—Zn1118.47 (12)C16—C15—C14118.28 (19)
C8—N3—H3A120.0C16—C15—C20119.61 (19)
C8—N3—H3B120.0C14—C15—C20121.86 (19)
H3A—N3—H3B120.0C17—C16—C15121.6 (2)
C13—N4—C9118.23 (18)C17—C16—H16119.2
C13—N4—Zn1129.38 (14)C15—C16—H16119.2
C9—N4—Zn1112.34 (12)C16—C17—C18119.5 (2)
C20—N5—N6110.61 (16)C16—C17—H17120.3
C21—N6—N5117.30 (16)C18—C17—H17120.3
C21—N6—Zn1123.41 (13)C19—C18—C17120.6 (2)
N5—N6—Zn1118.78 (12)C19—C18—H18119.7
C21—N7—H7A120.0C17—C18—H18119.7
C21—N7—H7B120.0C18—C19—C14120.4 (2)
H7A—N7—H7B120.0C18—C19—H19119.8
C26—N8—C22118.13 (18)C14—C19—H19119.8
C26—N8—Zn1128.85 (14)O4—C20—N5124.56 (18)
C22—N8—Zn1112.92 (13)O4—C20—C15120.22 (18)
O1—C1—C6117.60 (19)N5—C20—C15115.08 (17)
O1—C1—C2122.49 (18)N6—C21—N7125.48 (18)
C6—C1—C2119.9 (2)N6—C21—C22114.88 (17)
C3—C2—C1118.02 (19)N7—C21—C22119.63 (17)
C3—C2—C7119.05 (19)N8—C22—C23122.43 (18)
C1—C2—C7122.79 (19)N8—C22—C21114.46 (17)
C4—C3—C2121.6 (2)C23—C22—C21123.10 (18)
C4—C3—H3119.2C22—C23—C24118.7 (2)
C2—C3—H3119.2C22—C23—H23120.7
C3—C4—C5120.1 (2)C24—C23—H23120.7
C3—C4—H4119.9C25—C24—C23119.1 (2)
C5—C4—H4119.9C25—C24—H24120.4
C4—C5—C6120.1 (2)C23—C24—H24120.4
C4—C5—H5120.0C24—C25—C26118.9 (2)
C6—C5—H5120.0C24—C25—H25120.6
C5—C6—C1120.3 (2)C26—C25—H25120.6
C5—C6—H6119.9N8—C26—C25122.7 (2)
C1—C6—H6119.9N8—C26—H26118.6
O2—C7—N1124.48 (17)C25—C26—H26118.6
O2—C7—C2120.39 (18)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N7—H7B···O2i0.882.172.882 (2)138
N7—H7A···O3ii0.882.493.100 (2)127
N3—H3B···O4iii0.882.182.837 (2)131
N3—H3A···O1iv0.882.433.116 (2)136
O3—H3C···N50.841.792.536 (2)147
O1—H1···N10.841.822.556 (2)146
Symmetry codes: (i) x+1, y+1, z+2; (ii) x+1, y, z+3/2; (iii) x+1, y+2, z+2; (iv) x+1, y, z+5/2.

Experimental details

Crystal data
Chemical formula[Zn(C13H11N4O2)2]
Mr575.89
Crystal system, space groupMonoclinic, P2/c
Temperature (K)173
a, b, c (Å)10.7704 (9), 13.1196 (11), 19.6427 (14)
β (°) 115.630 (4)
V3)2502.5 (4)
Z4
Radiation typeMo Kα
µ (mm1)1.03
Crystal size (mm)0.45 × 0.42 × 0.35
Data collection
DiffractometerBruker APEX CCD
Absorption correctionMulti-scan
(SADABS; Bruker, 2000)
Tmin, Tmax0.636, 0.700
No. of measured, independent and
observed [I > 2σ(I)] reflections
13224, 4662, 4269
Rint0.023
(sin θ/λ)max1)0.606
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.035, 0.098, 1.06
No. of reflections4662
No. of parameters354
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.85, 0.47

Computer programs: SMART (Bruker, 2002), SAINT-Plus (Bruker, 2003), SHELXTL (Bruker, 2000).

Selected geometric parameters (Å, º) top
Zn1—N22.0234 (16)Zn1—N42.2980 (17)
Zn1—O22.1611 (14)
N2—Zn1—O275.46 (6)N2—Zn1—N473.79 (6)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N7—H7B···O2i0.882.172.882 (2)138.0
N7—H7A···O3ii0.882.493.100 (2)126.9
N3—H3B···O4iii0.882.182.837 (2)131.4
N3—H3A···O1iv0.882.433.116 (2)135.5
O3—H3C···N50.841.792.536 (2)146.5
O1—H1···N10.841.822.556 (2)146.1
Symmetry codes: (i) x+1, y+1, z+2; (ii) x+1, y, z+3/2; (iii) x+1, y+2, z+2; (iv) x+1, y, z+5/2.
 

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