In the title molecule, C
12H
9BrN
2O
3·H
2O, the dihedral angle between the benzene and furan rings is 10.0 (2)°. In the crystal structure, (
E)-
N′-(5-bromo-2-hydroxybenzylidene)furan-2-carbohydrazide molecules and water molecules, are linked by O—H
O and N—H
O hydrogen bonds into a two-dimensional network perpendicular to the
c axis.
Supporting information
CCDC reference: 647261
Key indicators
- Single-crystal X-ray study
- T = 294 K
- Mean (C-C) = 0.005 Å
- R factor = 0.029
- wR factor = 0.069
- Data-to-parameter ratio = 12.9
checkCIF/PLATON results
No syntax errors found
Alert level C
PLAT230_ALERT_2_C Hirshfeld Test Diff for O3 - C9 .. 5.72 su
PLAT230_ALERT_2_C Hirshfeld Test Diff for C10 - C11 .. 5.34 su
PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C9
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 25.02
From the CIF: _reflns_number_total 2238
Count of symmetry unique reflns 1343
Completeness (_total/calc) 166.64%
TEST3: Check Friedels for noncentro structure
Estimate of Friedel pairs measured 895
Fraction of Friedel pairs measured 0.666
Are heavy atom types Z>Si present yes
0 ALERT level A = In general: serious problem
0 ALERT level B = Potentially serious problem
3 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
3 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
1 ALERT type 4 Improvement, methodology, query or suggestion
0 ALERT type 5 Informative message, check
Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1997); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 1997); software used to prepare material for publication: SHELXTL.
(
E)—
N'-(5-bromo-2-hydroxybenzylidene)furan-2-carbohydrazide
monohydrate
top
Crystal data top
C12H9BrN2O3·H2O | F(000) = 656 |
Mr = 327.13 | Dx = 1.703 Mg m−3 |
Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2ac 2ab | Cell parameters from 2741 reflections |
a = 4.8880 (8) Å | θ = 2.5–26.0° |
b = 12.495 (2) Å | µ = 3.23 mm−1 |
c = 20.889 (4) Å | T = 294 K |
V = 1275.8 (4) Å3 | Block, light yellow |
Z = 4 | 0.20 × 0.18 × 0.14 mm |
Data collection top
Bruker SMART CCD diffractometer | 2238 independent reflections |
Radiation source: fine-focus sealed tube | 1954 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.041 |
φ and ω scans | θmax = 25.0°, θmin = 1.9° |
Absorption correction: multi-scan (SADABS; Bruker, 1997) | h = −5→5 |
Tmin = 0.541, Tmax = 0.634 | k = −14→14 |
6358 measured reflections | l = −12→24 |
Refinement top
Refinement on F2 | Hydrogen site location: inferred from neighbouring sites |
Least-squares matrix: full | H-atom parameters constrained |
R[F2 > 2σ(F2)] = 0.029 | w = 1/[σ2(Fo2) + (0.0277P)2] where P = (Fo2 + 2Fc2)/3 |
wR(F2) = 0.070 | (Δ/σ)max = 0.001 |
S = 1.02 | Δρmax = 0.36 e Å−3 |
2238 reflections | Δρmin = −0.21 e Å−3 |
174 parameters | Extinction correction: SHELXL97, Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
15 restraints | Extinction coefficient: 0.0291 (16) |
Primary atom site location: structure-invariant direct methods | Absolute structure: Flack (1983), 795 Friedel pairs |
Secondary atom site location: difference Fourier map | Absolute structure parameter: 0.007 (11) |
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 | x | y | z | Uiso*/Ueq | |
Br1 | 1.41128 (8) | −0.14792 (3) | 0.98063 (2) | 0.05003 (17) | |
O1 | 0.7552 (6) | 0.2278 (2) | 0.88643 (12) | 0.0511 (7) | |
H1 | 0.6507 | 0.2109 | 0.8575 | 0.077* | |
O2 | 0.1747 (5) | 0.21596 (19) | 0.73398 (14) | 0.0495 (7) | |
O3 | −0.1923 (6) | 0.1312 (2) | 0.64777 (14) | 0.0615 (8) | |
N1 | 0.5121 (6) | 0.0871 (2) | 0.80357 (13) | 0.0334 (7) | |
N2 | 0.3298 (5) | 0.0499 (2) | 0.75851 (14) | 0.0337 (7) | |
H2A | 0.3203 | −0.0176 | 0.7507 | 0.040* | |
C1 | 0.8979 (7) | 0.1406 (3) | 0.90580 (15) | 0.0356 (7) | |
C2 | 1.0886 (8) | 0.1546 (3) | 0.95407 (17) | 0.0445 (8) | |
H2 | 1.1144 | 0.2224 | 0.9715 | 0.053* | |
C3 | 1.2397 (7) | 0.0705 (3) | 0.97663 (18) | 0.0404 (8) | |
H3 | 1.3663 | 0.0810 | 1.0093 | 0.049* | |
C4 | 1.2027 (7) | −0.0304 (3) | 0.95040 (18) | 0.0367 (8) | |
C5 | 1.0162 (7) | −0.0465 (3) | 0.90293 (17) | 0.0362 (9) | |
H5 | 0.9917 | −0.1148 | 0.8862 | 0.043* | |
C6 | 0.8607 (7) | 0.0390 (3) | 0.87897 (16) | 0.0323 (8) | |
C7 | 0.6598 (7) | 0.0159 (3) | 0.82990 (16) | 0.0351 (9) | |
H7 | 0.6378 | −0.0548 | 0.8170 | 0.042* | |
C8 | 0.1676 (7) | 0.1176 (3) | 0.72679 (18) | 0.0335 (8) | |
C9 | −0.0249 (7) | 0.0677 (3) | 0.68245 (16) | 0.0338 (8) | |
C10 | −0.0712 (9) | −0.0366 (3) | 0.6705 (2) | 0.0548 (11) | |
H10 | 0.0143 | −0.0960 | 0.6883 | 0.066* | |
C11 | −0.2888 (11) | −0.0333 (5) | 0.6227 (3) | 0.0758 (16) | |
H11 | −0.3688 | −0.0923 | 0.6030 | 0.091* | |
C12 | −0.3509 (9) | 0.0651 (5) | 0.6124 (2) | 0.0707 (14) | |
H12 | −0.4867 | 0.0879 | 0.5843 | 0.085* | |
O4 | 0.3323 (5) | 0.82655 (19) | 0.75505 (15) | 0.0586 (8) | |
H4A | 0.1861 | 0.7896 | 0.7594 | 0.070* | |
H4B | 0.4797 | 0.7956 | 0.7666 | 0.070* | |
Atomic displacement parameters (Å2) top | U11 | U22 | U33 | U12 | U13 | U23 |
Br1 | 0.0437 (2) | 0.0460 (2) | 0.0604 (3) | −0.0003 (2) | −0.0092 (2) | 0.01499 (19) |
O1 | 0.0588 (17) | 0.0379 (15) | 0.0565 (18) | 0.0076 (14) | −0.0135 (15) | −0.0044 (13) |
O2 | 0.0410 (16) | 0.0263 (13) | 0.0812 (19) | 0.0029 (11) | −0.0137 (14) | −0.0038 (12) |
O3 | 0.0524 (17) | 0.067 (2) | 0.0647 (19) | 0.0007 (16) | −0.0101 (14) | 0.0135 (16) |
N1 | 0.0333 (17) | 0.0318 (16) | 0.0353 (17) | −0.0022 (13) | −0.0012 (13) | −0.0023 (13) |
N2 | 0.0357 (17) | 0.0234 (14) | 0.0420 (17) | −0.0038 (13) | −0.0071 (13) | −0.0032 (12) |
C1 | 0.0355 (17) | 0.0331 (18) | 0.0381 (19) | 0.000 (2) | 0.0005 (16) | −0.0007 (16) |
C2 | 0.052 (2) | 0.0358 (19) | 0.0456 (19) | −0.007 (2) | −0.0062 (19) | −0.0080 (17) |
C3 | 0.0359 (18) | 0.049 (2) | 0.037 (2) | −0.0075 (17) | −0.0073 (19) | 0.0026 (18) |
C4 | 0.0298 (17) | 0.039 (2) | 0.041 (2) | −0.0030 (16) | 0.0006 (16) | 0.0067 (17) |
C5 | 0.0344 (19) | 0.0317 (19) | 0.043 (2) | −0.0079 (15) | 0.0007 (16) | 0.0004 (15) |
C6 | 0.0297 (19) | 0.0324 (18) | 0.035 (2) | −0.0049 (16) | 0.0064 (15) | 0.0026 (14) |
C7 | 0.041 (2) | 0.0278 (19) | 0.036 (2) | −0.0035 (16) | 0.0010 (16) | −0.0025 (15) |
C8 | 0.0254 (19) | 0.032 (2) | 0.043 (2) | 0.0011 (14) | 0.0029 (15) | 0.0016 (15) |
C9 | 0.0295 (18) | 0.037 (2) | 0.0351 (19) | 0.0024 (15) | −0.0004 (15) | 0.0028 (15) |
C10 | 0.046 (2) | 0.028 (2) | 0.091 (3) | −0.0015 (19) | −0.001 (3) | −0.0013 (19) |
C11 | 0.061 (3) | 0.085 (4) | 0.082 (4) | −0.035 (3) | 0.015 (3) | −0.049 (3) |
C12 | 0.050 (3) | 0.112 (4) | 0.050 (3) | −0.019 (3) | −0.014 (2) | 0.001 (3) |
O4 | 0.0442 (17) | 0.0287 (15) | 0.103 (2) | −0.0017 (12) | −0.0168 (15) | 0.0056 (13) |
Geometric parameters (Å, º) top
Br1—C4 | 1.895 (4) | C3—H3 | 0.9300 |
O1—C1 | 1.356 (4) | C4—C5 | 1.362 (5) |
O1—H1 | 0.8200 | C5—C6 | 1.403 (5) |
O2—C8 | 1.238 (4) | C5—H5 | 0.9300 |
O3—C9 | 1.351 (4) | C6—C7 | 1.448 (5) |
O3—C12 | 1.352 (5) | C7—H7 | 0.9300 |
N1—C7 | 1.271 (4) | C8—C9 | 1.460 (5) |
N1—N2 | 1.377 (4) | C9—C10 | 1.346 (5) |
N2—C8 | 1.336 (4) | C10—C11 | 1.460 (7) |
N2—H2A | 0.8600 | C10—H10 | 0.9300 |
C1—C2 | 1.384 (5) | C11—C12 | 1.285 (8) |
C1—C6 | 1.400 (5) | C11—H11 | 0.9300 |
C2—C3 | 1.368 (5) | C12—H12 | 0.9300 |
C2—H2 | 0.9300 | O4—H4A | 0.8554 |
C3—C4 | 1.387 (5) | O4—H4B | 0.8526 |
| | | |
C1—O1—H1 | 109.5 | C1—C6—C7 | 123.5 (3) |
C9—O3—C12 | 106.4 (4) | C5—C6—C7 | 117.9 (3) |
C7—N1—N2 | 115.3 (3) | N1—C7—C6 | 123.5 (3) |
C8—N2—N1 | 120.6 (3) | N1—C7—H7 | 118.3 |
C8—N2—H2A | 119.7 | C6—C7—H7 | 118.3 |
N1—N2—H2A | 119.7 | O2—C8—N2 | 123.5 (3) |
O1—C1—C2 | 117.5 (3) | O2—C8—C9 | 121.3 (3) |
O1—C1—C6 | 122.9 (3) | N2—C8—C9 | 115.2 (3) |
C2—C1—C6 | 119.6 (3) | C10—C9—O3 | 111.5 (3) |
C3—C2—C1 | 121.2 (3) | C10—C9—C8 | 129.8 (3) |
C3—C2—H2 | 119.4 | O3—C9—C8 | 118.7 (3) |
C1—C2—H2 | 119.4 | C9—C10—C11 | 102.9 (4) |
C2—C3—C4 | 119.5 (3) | C9—C10—H10 | 128.6 |
C2—C3—H3 | 120.3 | C11—C10—H10 | 128.6 |
C4—C3—H3 | 120.3 | C12—C11—C10 | 108.3 (4) |
C5—C4—C3 | 120.6 (3) | C12—C11—H11 | 125.9 |
C5—C4—Br1 | 119.3 (3) | C10—C11—H11 | 125.9 |
C3—C4—Br1 | 120.2 (3) | C11—C12—O3 | 111.0 (5) |
C4—C5—C6 | 120.7 (3) | C11—C12—H12 | 124.5 |
C4—C5—H5 | 119.6 | O3—C12—H12 | 124.5 |
C6—C5—H5 | 119.6 | H4A—O4—H4B | 115.6 |
C1—C6—C5 | 118.5 (3) | | |
| | | |
C7—N1—N2—C8 | −178.7 (3) | C1—C6—C7—N1 | 5.0 (5) |
O1—C1—C2—C3 | 179.6 (3) | C5—C6—C7—N1 | −178.2 (3) |
C6—C1—C2—C3 | −0.7 (6) | N1—N2—C8—O2 | 2.2 (5) |
C1—C2—C3—C4 | 0.4 (6) | N1—N2—C8—C9 | −177.3 (3) |
C2—C3—C4—C5 | −0.5 (6) | C12—O3—C9—C10 | −0.1 (4) |
C2—C3—C4—Br1 | 179.7 (3) | C12—O3—C9—C8 | −178.6 (3) |
C3—C4—C5—C6 | 0.9 (5) | O2—C8—C9—C10 | −176.6 (4) |
Br1—C4—C5—C6 | −179.3 (2) | N2—C8—C9—C10 | 2.9 (6) |
O1—C1—C6—C5 | −179.2 (3) | O2—C8—C9—O3 | 1.7 (5) |
C2—C1—C6—C5 | 1.1 (5) | N2—C8—C9—O3 | −178.8 (3) |
O1—C1—C6—C7 | −2.5 (5) | O3—C9—C10—C11 | 0.7 (5) |
C2—C1—C6—C7 | 177.8 (3) | C8—C9—C10—C11 | 179.1 (4) |
C4—C5—C6—C1 | −1.2 (5) | C9—C10—C11—C12 | −1.2 (5) |
C4—C5—C6—C7 | −178.1 (3) | C10—C11—C12—O3 | 1.2 (6) |
N2—N1—C7—C6 | −179.1 (3) | C9—O3—C12—C11 | −0.8 (5) |
Hydrogen-bond geometry (Å, º) top
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O4i | 0.86 | 1.95 | 2.792 (3) | 166 |
O1—H1···N1 | 0.82 | 2.03 | 2.738 (4) | 145 |
O4—H4A···O2ii | 0.86 | 1.99 | 2.847 (3) | 174 |
O4—H4B···O2iii | 0.85 | 1.96 | 2.787 (3) | 163 |
C7—H7···O4i | 0.93 | 2.47 | 3.257 (4) | 142 |
C10—H10···O4i | 0.93 | 2.30 | 3.152 (5) | 152 |
Symmetry codes: (i) x, y−1, z; (ii) −x, y+1/2, −z+3/2; (iii) −x+1, y+1/2, −z+3/2. |