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In the title coordination polymer, [Ca(2-OPA)2(H2O)2]n [2-OPA is 2-oxo-1,2-di­hydro­pyridine-1-acetate, C7H6NO3], the Ca atom is eight-coordinated by six O atoms from four 2-OPA ligands and two water mol­ecules, and displays a dodecahedral coordination geometry. Each 2-OPA ligand bridges two adjacent Ca atoms, forming a chain along the a-axis direction. The Ca...Ca separation within the polymer is 4.1022 (8) Å. A two-dimensional supramolecular framework is further constructed by hydrogen bonds and weak π–π stacking interactions.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S160053680501473X/rz6076sup1.cif
Contains datablocks global, I

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S160053680501473X/rz6076Isup2.hkl
Contains datablock I

CCDC reference: 298701

Key indicators

  • Single-crystal X-ray study
  • T = 296 K
  • Mean [sigma](C-C) = 0.005 Å
  • R factor = 0.030
  • wR factor = 0.073
  • Data-to-parameter ratio = 15.0

checkCIF/PLATON results

No syntax errors found



Alert level C PLAT720_ALERT_4_C Number of Unusual/Non-Standard Label(s) ........ 4 PLAT764_ALERT_4_C Overcomplete CIF Bond List Detected (Rep/Expd) . 1.27 Ratio
Alert level G REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is correct. If it is not, please give the correct count in the _publ_section_exptl_refinement section of the submitted CIF. From the CIF: _diffrn_reflns_theta_max 27.48 From the CIF: _reflns_number_total 3590 Count of symmetry unique reflns 1862 Completeness (_total/calc) 192.80% TEST3: Check Friedels for noncentro structure Estimate of Friedel pairs measured 1728 Fraction of Friedel pairs measured 0.928 Are heavy atom types Z>Si present yes
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 2 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 3 ALERT type 4 Improvement, methodology, query or suggestion

Computing details top

Data collection: RAPID-AUTO (Rigaku, 1998); cell refinement: RAPID-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEPII (Johnson, 1976); software used to prepare material for publication: SHELXL97.

catena-Poly[[diaquacalcium(II)]bis[µ-2-oxo-1,2-dihydropyridine-1-acetato]] top
Crystal data top
[Ca(C7H6NO3)2(H2O)2]F(000) = 792
Mr = 380.37Dx = 1.587 Mg m3
Orthorhombic, Pna21Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2c -2nCell parameters from 11561 reflections
a = 7.9996 (16) Åθ = 3.5–27.5°
b = 8.2377 (16) ŵ = 0.44 mm1
c = 24.153 (5) ÅT = 296 K
V = 1591.6 (6) Å3Sheet, colorless
Z = 40.39 × 0.24 × 0.17 mm
Data collection top
Rigaku R-AXIS RAPID
diffractometer
3590 independent reflections
Radiation source: fine-focus sealed tube3187 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.026
Detector resolution: 10 pixels mm-1θmax = 27.5°, θmin = 3.4°
ω scansh = 109
Absorption correction: multi-scan
(ABSCOR; Higashi, 1995)
k = 1010
Tmin = 0.846, Tmax = 0.928l = 3131
13703 measured reflections
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)] = 0.030H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.073 w = 1/[σ2(Fo2) + (0.0479P)2 + 0.2343P]
where P = (Fo2 + 2Fc2)/3
S = 1.00(Δ/σ)max < 0.001
3590 reflectionsΔρmax = 0.25 e Å3
239 parametersΔρmin = 0.18 e Å3
7 restraintsAbsolute structure: Flack (1983). 1739 Friedel pairs.
Primary atom site location: structure-invariant direct methodsAbsolute structure parameter: 0.11 (3)
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Ca10.37314 (5)0.19473 (3)0.22263 (4)0.02007 (8)
N10.6973 (3)0.1857 (3)0.34417 (11)0.0253 (6)
N20.5491 (3)0.6916 (3)0.10177 (10)0.0226 (5)
O10.67497 (18)0.08714 (17)0.22900 (8)0.0277 (3)
O20.48079 (19)0.0598 (2)0.26958 (8)0.0323 (4)
O30.6586 (2)0.0689 (2)0.37746 (8)0.0360 (4)
O40.57140 (18)0.41250 (17)0.21624 (8)0.0280 (4)
O50.76546 (18)0.55950 (19)0.17553 (8)0.0319 (4)
O60.5904 (2)0.43406 (19)0.06737 (8)0.0352 (4)
O1W0.3737 (3)0.2323 (3)0.12310 (12)0.0363 (8)
O2W0.3748 (4)0.2286 (4)0.32097 (16)0.0490 (10)
C10.6285 (3)0.0238 (2)0.26161 (8)0.0207 (4)
C20.7636 (3)0.1179 (3)0.29266 (9)0.0250 (4)
C30.6454 (4)0.0836 (4)0.38499 (15)0.0288 (8)
C40.5744 (5)0.1541 (5)0.43296 (17)0.0400 (9)
C50.5579 (5)0.3168 (5)0.43790 (17)0.0422 (9)
C60.6106 (4)0.4166 (5)0.39537 (16)0.0377 (9)
C70.6798 (4)0.3527 (4)0.34867 (13)0.0257 (6)
C80.6176 (3)0.5232 (2)0.18339 (8)0.0203 (4)
C90.4828 (3)0.6177 (3)0.15259 (9)0.0242 (4)
C100.6041 (4)0.5829 (4)0.06086 (13)0.0247 (7)
C110.6697 (5)0.6602 (5)0.01228 (16)0.0357 (8)
C120.6833 (5)0.8236 (5)0.00831 (18)0.0395 (9)
C130.6316 (4)0.9261 (5)0.05234 (17)0.0355 (10)
C140.5651 (4)0.8525 (5)0.09762 (16)0.0339 (8)
H1W10.442 (3)0.283 (4)0.1028 (11)0.054*
H1W20.296 (3)0.190 (4)0.1044 (11)0.054*
H2W10.327 (5)0.304 (4)0.3397 (13)0.074*
H2W20.431 (4)0.169 (4)0.3423 (12)0.074*
H2A0.80510.20500.26940.030*
H2B0.85630.04610.30100.030*
H40.53850.08730.46160.048*
H50.51130.36130.46980.051*
H60.59860.52850.39860.045*
H70.71490.42030.32010.031*
H9B0.39160.54520.14320.029*
H9A0.43900.70210.17650.029*
H110.70390.59620.01740.043*
H120.72720.86940.02370.047*
H130.64281.03830.05030.043*
H140.52920.91680.12690.041*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Ca10.01756 (14)0.02000 (14)0.02264 (14)0.00003 (17)0.00116 (14)0.0003 (3)
N10.0237 (11)0.0299 (16)0.0224 (12)0.0027 (9)0.0010 (8)0.0070 (10)
N20.0233 (10)0.0240 (15)0.0204 (10)0.0051 (9)0.0003 (7)0.0006 (10)
O10.0278 (8)0.0246 (7)0.0307 (9)0.0018 (5)0.0017 (7)0.0074 (7)
O20.0199 (8)0.0348 (9)0.0421 (10)0.0040 (6)0.0046 (7)0.0107 (7)
O30.0435 (11)0.0285 (9)0.0360 (9)0.0020 (7)0.0061 (8)0.0036 (7)
O40.0256 (7)0.0249 (7)0.0335 (10)0.0022 (4)0.0030 (7)0.0094 (7)
O50.0216 (8)0.0340 (9)0.0401 (9)0.0028 (6)0.0041 (7)0.0117 (7)
O60.0435 (10)0.0287 (9)0.0334 (9)0.0015 (7)0.0041 (7)0.0047 (7)
O1W0.053 (2)0.0374 (13)0.0189 (13)0.0152 (9)0.0012 (10)0.0009 (9)
O2W0.055 (3)0.0496 (16)0.042 (2)0.0225 (11)0.0033 (12)0.0079 (13)
C10.0235 (9)0.0175 (9)0.0211 (8)0.0008 (8)0.0002 (10)0.0010 (6)
C20.0222 (10)0.0275 (12)0.0253 (11)0.0051 (8)0.0023 (8)0.0048 (8)
C30.0265 (15)0.0323 (16)0.0276 (15)0.0023 (10)0.0003 (12)0.0012 (12)
C40.0432 (19)0.051 (2)0.0259 (17)0.0047 (15)0.0053 (13)0.0030 (15)
C50.0419 (19)0.059 (3)0.0255 (17)0.0095 (17)0.0021 (13)0.0153 (16)
C60.0423 (19)0.0355 (17)0.0353 (19)0.0000 (13)0.0052 (14)0.0124 (13)
C70.0300 (13)0.0191 (13)0.0279 (14)0.0028 (9)0.0020 (10)0.0048 (11)
C80.0220 (9)0.0171 (9)0.0217 (9)0.0034 (8)0.0026 (10)0.0022 (7)
C90.0217 (11)0.0268 (12)0.0241 (10)0.0069 (8)0.0031 (8)0.0043 (8)
C100.0257 (14)0.0278 (15)0.0206 (14)0.0008 (10)0.0016 (11)0.0050 (10)
C110.0401 (17)0.0409 (18)0.0261 (16)0.0004 (13)0.0089 (12)0.0008 (13)
C120.0429 (18)0.043 (2)0.0329 (18)0.0066 (15)0.0088 (14)0.0103 (14)
C130.0378 (19)0.0270 (16)0.0417 (19)0.0038 (12)0.0012 (14)0.0122 (12)
C140.0318 (15)0.0352 (17)0.0347 (17)0.0080 (12)0.0036 (11)0.0004 (13)
Geometric parameters (Å, º) top
Ca1—O12.5766 (15)O1W—H1W10.84 (3)
Ca1—O1i2.4011 (14)O1W—H1W20.84 (3)
Ca1—O22.5344 (16)O2W—H2W10.86 (3)
Ca1—O42.3995 (14)O2W—H2W20.84 (3)
Ca1—O4i2.5749 (15)C1—C21.527 (3)
Ca1—O5i2.5342 (16)C2—H2A0.9700
Ca1—O1W2.424 (3)C2—H2B0.9700
Ca1—O2W2.392 (4)C3—C41.415 (5)
O3—C31.274 (4)C4—C51.352 (7)
O6—C101.241 (4)C4—H40.9300
Ca1—Ca1ii4.1022 (8)C5—C61.382 (6)
Ca1—Ca1i4.1022 (8)C5—H50.9300
Ca1—C12.881 (2)C6—C71.362 (5)
Ca1—C8i2.881 (2)C6—H60.9300
N1—C21.463 (3)C7—H70.9300
N1—C31.361 (4)C8—Ca1ii2.881 (2)
N1—C71.387 (4)C8—C91.524 (3)
N2—C91.469 (3)C9—H9A0.9700
N2—C101.404 (4)C9—H9B0.9700
N2—C141.335 (5)C10—C111.435 (5)
O1—Ca1ii2.4011 (14)C11—C121.354 (7)
O1—C11.262 (3)C11—H110.9300
O2—C11.234 (3)C12—C131.419 (6)
O4—Ca1ii2.5749 (15)C12—H120.9300
O4—C81.264 (2)C13—C141.359 (5)
O5—Ca1ii2.5342 (16)C13—H130.9300
O5—C81.235 (3)C14—H140.9300
O1i—Ca1—O1150.72 (4)O4i—Ca1—C1118.04 (5)
O1i—Ca1—O2144.56 (6)O4—Ca1—C8i156.02 (6)
O1i—Ca1—O4i69.00 (4)O4i—Ca1—C8i26.02 (5)
O1i—Ca1—O5i115.01 (5)O4—C8—Ca1ii63.34 (10)
O1i—Ca1—O1W88.23 (8)O4—C8—C9117.9 (2)
O2—Ca1—O150.97 (5)O5i—Ca1—Ca1i81.49 (4)
O2—Ca1—O4i93.53 (5)O5i—Ca1—Ca1ii120.99 (4)
O2—Ca1—O5i68.45 (4)O5i—Ca1—C182.61 (5)
O4—Ca1—O169.00 (4)O5i—Ca1—C8i25.34 (6)
O4—Ca1—O1i83.17 (4)O5—C8—Ca1ii61.43 (11)
O4i—Ca1—O1139.82 (4)O5—C8—O4123.45 (19)
O4—Ca1—O2115.00 (5)O5—C8—C9118.60 (18)
O4—Ca1—O4i150.72 (4)O6—C10—N2120.9 (3)
O4—Ca1—O5i144.45 (6)O6—C10—C11125.1 (3)
O4—Ca1—O1W80.76 (8)O1W—Ca1—Ca1i88.47 (7)
O5i—Ca1—O193.50 (5)O1W—Ca1—Ca1ii88.28 (6)
O5i—Ca1—O4i51.02 (5)O1W—Ca1—C1113.75 (8)
O1W—Ca1—O195.83 (8)O1W—Ca1—C8i75.79 (7)
O1W—Ca1—O2123.29 (8)O2W—Ca1—Ca1i88.83 (7)
O1W—Ca1—O4i89.20 (7)O2W—Ca1—Ca1ii88.19 (8)
O1W—Ca1—O5i70.18 (7)O2W—Ca1—C175.19 (8)
O2W—Ca1—O188.60 (8)O2W—Ca1—C8i113.80 (9)
O2W—Ca1—O1i81.53 (8)C1—Ca1—Ca1i146.11 (4)
O2W—Ca1—O269.53 (9)C1—Ca1—Ca1ii56.44 (4)
O2W—Ca1—O488.44 (10)C1—O1—Ca1ii140.89 (14)
O2W—Ca1—O4i96.02 (9)C1—O1—Ca190.60 (13)
O2W—Ca1—O5i122.97 (10)C1—O2—Ca193.26 (12)
O2W—Ca1—O1W165.95 (5)C1—C2—H2A109.5
N1—C2—C1110.81 (18)C1—C2—H2B109.5
N2—C9—C8111.38 (18)C2—C1—Ca1168.41 (14)
Ca1ii—Ca1—Ca1i154.348 (16)C3—N1—C7121.7 (2)
Ca1ii—O1—Ca1110.94 (5)C3—N1—C2119.4 (3)
Ca1—O4—Ca1ii111.06 (5)C3—C4—H4119.4
Ca1—O1W—H1W1130 (2)C4—C5—C6119.6 (3)
Ca1—O1W—H1W2119 (2)C4—C5—H5120.2
Ca1—O2W—H2W1127 (2)C5—C4—C3121.2 (3)
Ca1—O2W—H2W2123 (2)C5—C4—H4119.4
N1—C2—H2A109.5C5—C6—H6119.7
N1—C2—H2B109.5C6—C5—H5120.2
N1—C3—C4117.5 (3)C6—C7—N1119.3 (3)
N1—C7—H7120.4C6—C7—H7120.4
N2—C9—H9A109.4C7—N1—C2118.8 (2)
N2—C9—H9B109.4C7—C6—C5120.6 (4)
N2—C10—C11114.0 (3)C7—C6—H6119.7
N2—C14—C13122.7 (3)C8i—Ca1—Ca1i56.39 (4)
N2—C14—H14118.6C8i—Ca1—Ca1ii146.12 (4)
O1—Ca1—Ca1ii33.14 (3)C8i—Ca1—C1102.80 (4)
O1i—Ca1—Ca1ii118.53 (4)C8—O4—Ca1140.61 (14)
O1—Ca1—Ca1i171.92 (3)C8—O4—Ca1ii90.64 (13)
O1i—Ca1—Ca1i35.92 (3)C8—O5—Ca1ii93.23 (12)
O1—Ca1—C125.98 (6)C8—C9—H9A109.4
O1i—Ca1—C1156.18 (6)C8—C9—H9B109.4
O1—Ca1—C8i118.06 (5)C9—C8—Ca1ii168.83 (14)
O1i—Ca1—C8i91.08 (5)C10—N2—C9115.9 (2)
O1—C1—Ca163.41 (11)C10—C11—H11119.0
O1—C1—C2117.8 (2)C11—C12—C13121.0 (3)
O2—Ca1—Ca1ii81.51 (4)C11—C12—H12119.5
O2—Ca1—Ca1i121.00 (4)C12—C11—C10121.9 (3)
O2—Ca1—C125.31 (6)C12—C11—H11119.0
O2—Ca1—C8i82.70 (5)C12—C13—H13121.6
O2—C1—Ca161.43 (11)C13—C12—H12119.5
O2—C1—O1123.6 (2)C13—C14—H14118.6
O2—C1—C2118.64 (18)C14—N2—C9120.6 (2)
O3—C3—N1118.7 (3)C14—N2—C10123.4 (2)
O3—C3—C4123.7 (3)C14—C13—C12116.9 (4)
O4—Ca1—Ca1i118.59 (4)C14—C13—H13121.6
O4—Ca1—Ca1ii35.86 (3)H2A—C2—H2B108.1
O4i—Ca1—Ca1i33.08 (3)H9B—C9—H9A108.0
O4i—Ca1—Ca1ii171.96 (3)H1W1—O1W—H1W2111.6 (16)
O4—Ca1—C191.11 (6)H2W1—O2W—H2W2109.6 (16)
Ca1ii—Ca1—O1—C1146.61 (16)O4i—Ca1—C1—O215.66 (15)
Ca1ii—Ca1—O2—C17.45 (12)O4—Ca1—C1—C267.9 (8)
Ca1i—Ca1—O2—C1174.24 (11)O4i—Ca1—C1—C2109.2 (8)
Ca1i—Ca1—O4—Ca1ii176.90 (4)O4—C8—C9—N2157.1 (2)
Ca1ii—Ca1—O4—C8119.2 (3)O5i—Ca1—O1—Ca1ii148.20 (8)
Ca1i—Ca1—O4—C863.9 (2)O5i—Ca1—O1—C165.19 (12)
Ca1ii—Ca1—C1—O121.16 (10)O5i—Ca1—O2—C1120.77 (13)
Ca1i—Ca1—C1—O1176.56 (9)O5i—Ca1—O4—Ca1ii64.88 (12)
Ca1ii—Ca1—C1—O2171.15 (14)O5i—Ca1—O4—C854.3 (2)
Ca1i—Ca1—C1—O28.88 (16)O5i—Ca1—C1—O253.69 (12)
Ca1ii—Ca1—C1—C277.7 (8)O5i—Ca1—C1—O1113.99 (12)
Ca1i—Ca1—C1—C284.6 (8)O5i—Ca1—C1—C2147.2 (8)
Ca1ii—O1—C1—Ca1125.4 (2)O5—C8—C9—N223.7 (3)
Ca1ii—O1—C1—O2138.43 (19)O6—C10—C11—C12179.0 (3)
Ca1—O1—C1—O213.0 (2)O1W—Ca1—O1—Ca1ii77.78 (9)
Ca1ii—O1—C1—C241.6 (3)O1W—Ca1—O1—C1135.61 (13)
Ca1—O1—C1—C2167.03 (16)O1W—Ca1—O2—C174.83 (15)
Ca1—O2—C1—O113.2 (2)O1W—Ca1—O4—C819.2 (2)
Ca1—O2—C1—C2166.79 (16)O1W—Ca1—O4—Ca1ii99.96 (9)
Ca1—O4—C8—Ca1ii125.4 (2)O1W—Ca1—C1—O149.49 (14)
Ca1—O4—C8—O5138.78 (19)O1W—Ca1—C1—O2118.19 (14)
Ca1ii—O4—C8—O513.3 (2)O1W—Ca1—C1—C2148.3 (8)
Ca1—O4—C8—C942.1 (3)O2W—Ca1—O1—Ca1ii88.85 (10)
Ca1ii—O4—C8—C9167.51 (16)O2W—Ca1—O1—C157.76 (14)
Ca1ii—O5—C8—O413.6 (2)O2W—Ca1—O2—C198.69 (15)
Ca1ii—O5—C8—C9167.28 (16)O2W—Ca1—O4—Ca1ii89.07 (9)
Ca1—C1—C2—N161.9 (8)O2W—Ca1—O4—C8151.7 (2)
Ca1ii—C8—C9—N263.5 (8)O2W—Ca1—C1—O1118.99 (15)
N1—C3—C4—C50.4 (5)O2W—Ca1—C1—O273.32 (15)
N2—C10—C11—C122.9 (4)O2W—Ca1—C1—C220.2 (8)
O1i—Ca1—O1—Ca1ii19.0 (2)C1—Ca1—O1—Ca1ii146.61 (16)
O1i—Ca1—O1—C1127.59 (14)C1—Ca1—O4—Ca1ii13.92 (8)
O1—Ca1—O2—C16.91 (11)C1—Ca1—O4—C8133.1 (2)
O1i—Ca1—O2—C1135.98 (12)C2—N1—C3—O31.1 (4)
O1—Ca1—O4—Ca1ii0.02 (8)C2—N1—C3—C4176.9 (3)
O1i—Ca1—O4—Ca1ii170.73 (5)C2—N1—C7—C6176.8 (3)
O1—Ca1—O4—C8119.2 (2)C3—N1—C2—C164.7 (3)
O1i—Ca1—O4—C870.1 (2)C3—N1—C7—C60.8 (4)
O1i—Ca1—C1—O1106.38 (13)C3—C4—C5—C60.2 (4)
O1—Ca1—C1—O2167.7 (2)C4—C5—C6—C70.4 (5)
O1i—Ca1—C1—O285.94 (18)C5—C6—C7—N10.1 (4)
O1—Ca1—C1—C298.8 (8)C7—N1—C2—C1111.4 (2)
O1i—Ca1—C1—C27.6 (8)C7—N1—C3—O3177.1 (2)
O1—C1—C2—N1154.7 (2)C7—N1—C3—C40.9 (4)
O2—Ca1—O1—Ca1ii153.35 (11)C8i—Ca1—O1—Ca1ii154.77 (6)
O2—Ca1—O1—C16.74 (11)C8i—Ca1—O1—C158.62 (13)
O2—Ca1—O4—C8141.8 (2)C8i—Ca1—O2—C1142.49 (14)
O2—Ca1—O4—Ca1ii22.57 (10)C8i—Ca1—O4—C87.1 (3)
O2—Ca1—C1—O1167.7 (2)C8i—Ca1—O4—Ca1ii112.14 (13)
O2—Ca1—C1—C293.5 (8)C8i—Ca1—C1—O238.27 (14)
O2—C1—C2—N125.3 (3)C8i—Ca1—C1—O1129.41 (12)
O3—C3—C4—C5177.5 (3)C8i—Ca1—C1—C2131.8 (7)
O4—Ca1—O1—Ca1ii0.02 (9)C9—N2—C10—O62.6 (4)
O4i—Ca1—O1—Ca1ii173.47 (6)C9—N2—C10—C11179.2 (3)
O4—Ca1—O1—C1146.63 (11)C9—N2—C14—C13177.4 (3)
O4i—Ca1—O1—C139.92 (19)C10—N2—C9—C864.3 (3)
O4—Ca1—O2—C120.59 (15)C10—C11—C12—C130.5 (4)
O4i—Ca1—O2—C1166.19 (13)C10—N2—C14—C132.2 (4)
O4i—Ca1—O4—Ca1ii171.36 (10)C11—C12—C13—C141.4 (5)
O4i—Ca1—O4—C852.2 (3)C12—C13—C14—N20.6 (5)
O4—Ca1—C1—O130.90 (11)C14—N2—C9—C8111.3 (2)
O4i—Ca1—C1—O1152.03 (13)C14—N2—C10—O6178.0 (2)
O4—Ca1—C1—O2161.41 (13)C14—N2—C10—C113.8 (4)
Symmetry codes: (i) x1/2, y+1/2, z; (ii) x+1/2, y+1/2, z.
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O1W—H1W1···O60.84 (3)1.92 (3)2.753 (3)168 (4)
O1W—H1W2···O6i0.84 (3)2.14 (3)2.970 (3)172 (3)
O2W—H2W1···O3i0.86 (3)1.93 (4)2.763 (3)163 (4)
O2W—H2W2···O30.84 (3)2.16 (4)2.958 (4)157 (4)
Symmetry code: (i) x1/2, y+1/2, z.
 

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