organic compounds
(3-Hydroxypiperidin-1-yl)(4-methylphenyl)methanone
aDepartment of Physics, Bhaktavatsalam Memorial College for Women, Korattur, Chennai-80, Tamilnadu, India, bDepartment of Chemistry, Madras Christian College, Chennai-59, India, cDepartment of Physics, Bharathi Women's College, Chennai 600 108, Tamilnadu, India, and dPG and Research Department of Physics, Queen Mary's College, Chennai-4, Tamilnadu, India
*Correspondence e-mail: guqmc@yahoo.com
In the title molecule, C13H17NO2, the piperidine ring assumes a chair conformation. The dihedral angle between the mean plane of the piperidine ring and the benzene ring is 45.49 (1)°. In the crystal, molecules are linked by O—H⋯O intermolecular hydrogen bonds, leading to a molecular chain running along the c-axis direction. The atoms of the hydroxy piperidine ring and the methyl group of methylphenyl ring are disordered over two sets of sites with refined occupancies of 0.754 (5) and 0.246 (5).
Keywords: crystal structure; piperidine; hydrogen bonds.
CCDC reference: 1580031
Structure description
Piperidine and its derivative have played vital roles in the design of pharmaceutical drugs (Das & Brahmachari, 2013). It has been shown that the antioxidant activity of the title molecule can be enhanced by the substitution of hydroxyl, methoxy, nitro and on the piperidine ring system (Ravindernath & Reddy, 2017).
In the compound (Fig. 1), the bond lengths are typical of such derivatives and are in good agreement with literature values (Allen et al., 1987). The C—N distances [1.370 (5)–1.464 (5) Å], C=O distance [1.189 (5) Å] and C—O distance [1.399 (5) Å] are in good agreement with the values of similar reported structures (Revathi et al., 2015; Prathebha et al., 2015). The +syn-periplanar(+sp) orientation of the keto group with the hydroxypiperidine ring is revealed by the torsion angle O1—C8—N1—C9 [15.1 (6)]°. The total angle (359.5°) around the N atom indicates sp2 of this atom. The piperidine ring (N1/C9–C13) adopts a chair conformation with puckering parameters q2 = 0.0097 (4), q3 = 0.5605 (4), QT= 0.5605 (4) Å, φ2 = −22 (21)° and θ2 = 1.0 (4)°. Atoms C10 and C13 deviate by −0.233 (2) and 0.243 (2) Å, respectively, from the mean plane through all ring atoms.
In the crystal, molecules are linked through O—H⋯O hydrogen bonds (Table 1, Fig. 2), forming chains running parallel to [001].
Synthesis and crystallization
The title compound was synthesized following a published procedure (Revathi et al., 2015). In a 250 ml round-bottomed flask, 15 ml of ethyl methyl ketone was added to 3-hydroxy piperidine (0.01 mol; 1 g m) and stirred at room temperature. After 5 min, triethylamine (0.02 mol; 1.3 ml) was added and the mixture stirred for 15 min. Then 4-methyl benzoyl chloride (0.02 mol; 1.2 ml) and 15 ml of ethyl methyl ketone were added and the reaction mixture stirred at room temperature for 2 h. A white precipitate was formed which was filtered off. The filtrate was evaporated to give the crude product. It was then recrystallized twice from ethyl methyl ketone to give yellow block-like crystals of the title compound (m.p. 70°C, yield 82%).
Refinement
Crystal data, data collection and structure . The atoms of the hydroxy piperidine ring and the methyl group of methylphenyl ring are disordered over two sets of sites with refined occupancies of 0.754 (5) and 0.246 (5).
details are summarized in Table 2Structural data
CCDC reference: 1580031
https://doi.org/10.1107/S2414314617014936/hg4026sup1.cif
contains datablocks I, New_Global_Publ_Block. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2414314617014936/hg4026Isup3.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2414314617014936/hg4026Isup3.cml
Data collection: APEX2 (Bruker , 2004); cell
APEX2 and SAINT (Bruker, 2004); data reduction: SAINT and XPREP (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).C13H17NO2 | F(000) = 472 |
Mr = 219.28 | Dx = 1.207 Mg m−3 |
Orthorhombic, Pca21 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2c -2ac | Cell parameters from 2385 reflections |
a = 24.8766 (14) Å | θ = 0.8–0.7° |
b = 6.1117 (4) Å | µ = 0.08 mm−1 |
c = 7.9388 (4) Å | T = 293 K |
V = 1207.00 (12) Å3 | Block, yellow |
Z = 4 | 0.30 × 0.25 × 0.20 mm |
Bruker Kappa APEXII CCD diffractometer | 2385 independent reflections |
Radiation source: fine-focus sealed tube | 1692 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.055 |
ω and \ f scan | θmax = 26.0°, θmin = 3.3° |
Absorption correction: multi-scan (SADABS; Bruker, 2004) | h = −30→30 |
Tmin = 0.976, Tmax = 0.984 | k = −7→7 |
20282 measured reflections | l = −9→9 |
Refinement on F2 | Hydrogen site location: inferred from neighbouring sites |
Least-squares matrix: full | H-atom parameters constrained |
R[F2 > 2σ(F2)] = 0.039 | w = 1/[σ2(Fo2) + (0.0468P)2 + 0.0531P] where P = (Fo2 + 2Fc2)/3 |
wR(F2) = 0.099 | (Δ/σ)max < 0.001 |
S = 1.11 | Δρmax = 0.13 e Å−3 |
2385 reflections | Δρmin = −0.11 e Å−3 |
230 parameters | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
99 restraints | Extinction coefficient: 0.141 (11) |
Primary atom site location: structure-invariant direct methods | Absolute structure: Flack x determined using 675 quotients [(I+)-(I-)]/[(I+)+(I-)] (Parsons et al. (2013) |
Secondary atom site location: difference Fourier map | Absolute structure parameter: 0.3 (5) |
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 > 2sigma(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. H atoms were positioned geometrically and treated as riding on their parent atoms and refined with, C—H distance of 0.93–0.98 Å, O—H of 0.82 Å with Uiso(H)= 1.5 Ueq(c-methyl),and Uiso(H)= 1.2Ueq(C) for other H atoms. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
C3 | 0.18222 (11) | −0.4020 (4) | 1.0752 (3) | 0.0762 (7) | |
H3 | 0.1791 | −0.5388 | 1.1256 | 0.091* | |
C4 | 0.13647 (8) | −0.2764 (3) | 1.0519 (3) | 0.0670 (6) | |
H4 | 0.1032 | −0.3274 | 1.0885 | 0.080* | |
C5 | 0.14041 (8) | −0.0763 (3) | 0.9743 (2) | 0.0576 (5) | |
C6 | 0.19040 (9) | −0.0040 (4) | 0.9234 (3) | 0.0701 (6) | |
H6 | 0.1935 | 0.1314 | 0.8708 | 0.084* | |
C7 | 0.23570 (8) | −0.1285 (4) | 0.9492 (3) | 0.0748 (6) | |
H7 | 0.2690 | −0.0765 | 0.9145 | 0.090* | |
C8 | 0.09139 (9) | 0.0653 (3) | 0.9589 (3) | 0.0666 (6) | |
C2 | 0.23190 (9) | −0.3301 (4) | 1.0261 (3) | 0.0733 (7) | |
C1 | 0.2817 (3) | −0.4667 (13) | 1.0622 (13) | 0.116 (3) | 0.754 (5) |
H1A | 0.3073 | −0.4472 | 0.9729 | 0.174* | 0.754 (5) |
H1B | 0.2719 | −0.6183 | 1.0694 | 0.174* | 0.754 (5) |
H1C | 0.2974 | −0.4208 | 1.1669 | 0.174* | 0.754 (5) |
C9 | 0.02203 (13) | 0.2386 (6) | 0.7818 (4) | 0.0590 (8) | 0.754 (5) |
H9A | 0.0114 | 0.2993 | 0.8897 | 0.071* | 0.754 (5) |
H9B | −0.0085 | 0.1612 | 0.7347 | 0.071* | 0.754 (5) |
C10 | 0.03892 (17) | 0.4199 (6) | 0.6648 (5) | 0.0643 (10) | 0.754 (5) |
H10A | 0.0666 | 0.5071 | 0.7187 | 0.077* | 0.754 (5) |
H10B | 0.0084 | 0.5144 | 0.6428 | 0.077* | 0.754 (5) |
C11 | 0.06016 (18) | 0.3312 (8) | 0.4998 (5) | 0.0669 (12) | 0.754 (5) |
H11A | 0.0312 | 0.2601 | 0.4389 | 0.080* | 0.754 (5) |
H11B | 0.0734 | 0.4511 | 0.4313 | 0.080* | 0.754 (5) |
C12 | 0.10493 (16) | 0.1694 (7) | 0.5298 (4) | 0.0621 (9) | 0.754 (5) |
H12 | 0.1339 | 0.2492 | 0.5867 | 0.075* | 0.754 (5) |
C13 | 0.08638 (13) | −0.0078 (5) | 0.6499 (3) | 0.0529 (8) | 0.754 (5) |
H13A | 0.0579 | −0.0923 | 0.5978 | 0.063* | 0.754 (5) |
H13B | 0.1160 | −0.1060 | 0.6740 | 0.063* | 0.754 (5) |
N1 | 0.06702 (11) | 0.0872 (5) | 0.8051 (3) | 0.0498 (7) | 0.754 (5) |
O1 | 0.0701 (2) | 0.1339 (12) | 1.0822 (7) | 0.0802 (15) | 0.754 (5) |
O2 | 0.12710 (16) | 0.0789 (9) | 0.3835 (4) | 0.1091 (16) | 0.754 (5) |
H2 | 0.1118 | 0.1294 | 0.3007 | 0.164* | 0.754 (5) |
C1' | 0.2820 (6) | −0.480 (4) | 1.037 (3) | 0.095 (7) | 0.246 (5) |
H1'1 | 0.3139 | −0.3949 | 1.0188 | 0.142* | 0.246 (5) |
H1'2 | 0.2796 | −0.5919 | 0.9519 | 0.142* | 0.246 (5) |
H1'3 | 0.2835 | −0.5473 | 1.1460 | 0.142* | 0.246 (5) |
C9' | 0.0545 (5) | 0.363 (2) | 0.7878 (13) | 0.081 (4) | 0.246 (5) |
H9'1 | 0.0743 | 0.4953 | 0.7602 | 0.097* | 0.246 (5) |
H9'2 | 0.0362 | 0.3883 | 0.8940 | 0.097* | 0.246 (5) |
C10' | 0.0136 (5) | 0.325 (3) | 0.6554 (15) | 0.081 (4) | 0.246 (5) |
H10C | −0.0066 | 0.4583 | 0.6364 | 0.097* | 0.246 (5) |
H10D | −0.0114 | 0.2131 | 0.6933 | 0.097* | 0.246 (5) |
C11' | 0.0396 (6) | 0.251 (3) | 0.4900 (19) | 0.087 (5) | 0.246 (5) |
H11C | 0.0121 | 0.2065 | 0.4106 | 0.104* | 0.246 (5) |
H11D | 0.0596 | 0.3717 | 0.4407 | 0.104* | 0.246 (5) |
C12' | 0.0770 (6) | 0.062 (2) | 0.5267 (15) | 0.083 (4) | 0.246 (5) |
H12' | 0.0547 | −0.0547 | 0.5744 | 0.100* | 0.246 (5) |
C13' | 0.1182 (4) | 0.1118 (19) | 0.6524 (12) | 0.071 (3) | 0.246 (5) |
H13C | 0.1417 | 0.2262 | 0.6103 | 0.085* | 0.246 (5) |
H13D | 0.1398 | −0.0174 | 0.6734 | 0.085* | 0.246 (5) |
N1' | 0.0927 (4) | 0.1837 (17) | 0.8095 (9) | 0.064 (3) | 0.246 (5) |
O1' | 0.0737 (10) | 0.179 (4) | 1.098 (3) | 0.110 (8) | 0.246 (5) |
O2' | 0.1012 (5) | −0.0230 (18) | 0.3875 (13) | 0.084 (3) | 0.246 (5) |
H2' | 0.0802 | −0.0193 | 0.3079 | 0.126* | 0.246 (5) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C3 | 0.1035 (19) | 0.0606 (13) | 0.0644 (13) | 0.0231 (12) | −0.0065 (13) | 0.0065 (11) |
C4 | 0.0729 (13) | 0.0679 (14) | 0.0601 (12) | 0.0152 (10) | 0.0062 (10) | 0.0074 (10) |
C5 | 0.0705 (13) | 0.0611 (12) | 0.0413 (9) | 0.0178 (10) | 0.0010 (9) | 0.0032 (9) |
C6 | 0.0805 (14) | 0.0612 (11) | 0.0686 (14) | 0.0120 (11) | 0.0052 (11) | 0.0074 (10) |
C7 | 0.0665 (13) | 0.0795 (16) | 0.0784 (14) | 0.0045 (12) | −0.0032 (12) | −0.0057 (12) |
C8 | 0.0769 (13) | 0.0750 (14) | 0.0477 (11) | 0.0262 (11) | 0.0040 (11) | 0.0086 (10) |
C2 | 0.0765 (16) | 0.0815 (16) | 0.0618 (14) | 0.0287 (13) | −0.0157 (11) | −0.0186 (12) |
C1 | 0.126 (6) | 0.120 (6) | 0.100 (5) | 0.078 (5) | −0.028 (3) | −0.044 (4) |
C9 | 0.0543 (17) | 0.071 (2) | 0.0519 (17) | 0.0210 (15) | 0.0023 (13) | 0.0046 (14) |
C10 | 0.075 (2) | 0.059 (2) | 0.059 (2) | 0.0239 (16) | −0.0076 (18) | 0.0038 (17) |
C11 | 0.075 (3) | 0.080 (2) | 0.0464 (19) | 0.0186 (19) | −0.0010 (17) | 0.0135 (17) |
C12 | 0.062 (2) | 0.086 (2) | 0.0380 (16) | 0.0183 (17) | 0.0000 (13) | 0.0011 (16) |
C13 | 0.0557 (16) | 0.0535 (17) | 0.0494 (16) | 0.0130 (14) | −0.0132 (12) | −0.0121 (13) |
N1 | 0.0508 (15) | 0.0529 (15) | 0.0457 (12) | 0.0118 (12) | −0.0007 (11) | 0.0038 (11) |
O1 | 0.082 (2) | 0.119 (4) | 0.040 (2) | 0.046 (2) | 0.0107 (16) | 0.002 (2) |
O2 | 0.096 (3) | 0.186 (5) | 0.0448 (12) | 0.071 (3) | 0.0066 (16) | −0.003 (2) |
C1' | 0.041 (8) | 0.153 (18) | 0.090 (12) | 0.015 (7) | −0.032 (7) | 0.037 (11) |
C9' | 0.097 (8) | 0.083 (7) | 0.062 (6) | 0.046 (6) | −0.020 (5) | −0.015 (5) |
C10' | 0.077 (8) | 0.108 (9) | 0.058 (6) | 0.033 (6) | −0.016 (6) | −0.015 (7) |
C11' | 0.092 (9) | 0.108 (10) | 0.060 (6) | 0.050 (8) | −0.019 (6) | −0.009 (7) |
C12' | 0.096 (8) | 0.093 (8) | 0.062 (6) | 0.043 (7) | −0.019 (6) | −0.019 (6) |
C13' | 0.079 (7) | 0.069 (6) | 0.064 (6) | 0.016 (6) | 0.007 (5) | 0.000 (5) |
N1' | 0.075 (6) | 0.076 (6) | 0.040 (4) | 0.028 (5) | −0.014 (4) | −0.015 (4) |
O1' | 0.188 (15) | 0.085 (8) | 0.057 (8) | 0.075 (8) | −0.027 (7) | −0.036 (6) |
O2' | 0.100 (8) | 0.097 (7) | 0.054 (4) | 0.045 (5) | −0.003 (5) | −0.024 (4) |
C3—C2 | 1.368 (3) | C11—H11B | 0.9700 |
C3—C4 | 1.385 (3) | C12—O2 | 1.399 (5) |
C3—H3 | 0.9300 | C12—C13 | 1.515 (5) |
C4—C5 | 1.373 (3) | C12—H12 | 0.9800 |
C4—H4 | 0.9300 | C13—N1 | 1.444 (3) |
C5—C6 | 1.380 (3) | C13—H13A | 0.9700 |
C5—C8 | 1.500 (3) | C13—H13B | 0.9700 |
C6—C7 | 1.375 (3) | O2—H2 | 0.8200 |
C6—H6 | 0.9300 | C1'—H1'1 | 0.9600 |
C7—C2 | 1.379 (3) | C1'—H1'2 | 0.9600 |
C7—H7 | 0.9300 | C1'—H1'3 | 0.9600 |
C8—O1 | 1.189 (5) | C9'—N1' | 1.463 (11) |
C8—N1 | 1.370 (3) | C9'—C10' | 1.481 (14) |
C8—O1' | 1.37 (2) | C9'—H9'1 | 0.9700 |
C8—N1' | 1.390 (9) | C9'—H9'2 | 0.9700 |
C2—C1 | 1.522 (5) | C10'—C11' | 1.531 (15) |
C2—C1' | 1.551 (13) | C10'—H10C | 0.9700 |
C1—H1A | 0.9600 | C10'—H10D | 0.9700 |
C1—H1B | 0.9600 | C11'—C12' | 1.512 (14) |
C1—H1C | 0.9600 | C11'—H11C | 0.9700 |
C9—N1 | 1.464 (3) | C11'—H11D | 0.9700 |
C9—C10 | 1.506 (5) | C12'—O2' | 1.362 (15) |
C9—H9A | 0.9700 | C12'—C13' | 1.463 (14) |
C9—H9B | 0.9700 | C12'—H12' | 0.9800 |
C10—C11 | 1.513 (5) | C13'—N1' | 1.467 (11) |
C10—H10A | 0.9700 | C13'—H13C | 0.9700 |
C10—H10B | 0.9700 | C13'—H13D | 0.9700 |
C11—C12 | 1.508 (5) | O2'—H2' | 0.8200 |
C11—H11A | 0.9700 | ||
C2—C3—C4 | 121.7 (2) | C11—C12—C13 | 110.1 (3) |
C2—C3—H3 | 119.1 | O2—C12—H12 | 106.8 |
C4—C3—H3 | 119.1 | C11—C12—H12 | 106.8 |
C5—C4—C3 | 119.7 (2) | C13—C12—H12 | 106.8 |
C5—C4—H4 | 120.2 | N1—C13—C12 | 110.6 (3) |
C3—C4—H4 | 120.2 | N1—C13—H13A | 109.5 |
C4—C5—C6 | 118.73 (18) | C12—C13—H13A | 109.5 |
C4—C5—C8 | 119.50 (18) | N1—C13—H13B | 109.5 |
C6—C5—C8 | 121.60 (18) | C12—C13—H13B | 109.5 |
C7—C6—C5 | 121.2 (2) | H13A—C13—H13B | 108.1 |
C7—C6—H6 | 119.4 | C8—N1—C13 | 125.0 (2) |
C5—C6—H6 | 119.4 | C8—N1—C9 | 120.8 (2) |
C6—C7—C2 | 120.3 (2) | C13—N1—C9 | 113.7 (2) |
C6—C7—H7 | 119.9 | C12—O2—H2 | 109.5 |
C2—C7—H7 | 119.9 | C2—C1'—H1'1 | 109.5 |
O1—C8—N1 | 120.1 (3) | C2—C1'—H1'2 | 109.5 |
O1—C8—O1' | 11.4 (14) | H1'1—C1'—H1'2 | 109.5 |
N1—C8—O1' | 121.5 (11) | C2—C1'—H1'3 | 109.5 |
O1—C8—N1' | 121.9 (5) | H1'1—C1'—H1'3 | 109.5 |
N1—C8—N1' | 36.8 (4) | H1'2—C1'—H1'3 | 109.5 |
O1'—C8—N1' | 115.3 (11) | N1'—C9'—C10' | 114.2 (9) |
O1—C8—C5 | 119.9 (3) | N1'—C9'—H9'1 | 108.7 |
N1—C8—C5 | 119.25 (19) | C10'—C9'—H9'1 | 108.7 |
O1'—C8—C5 | 119.2 (11) | N1'—C9'—H9'2 | 108.7 |
N1'—C8—C5 | 110.5 (4) | C10'—C9'—H9'2 | 108.7 |
C3—C2—C7 | 118.40 (19) | H9'1—C9'—H9'2 | 107.6 |
C3—C2—C1 | 120.4 (5) | C9'—C10'—C11' | 111.4 (10) |
C7—C2—C1 | 121.2 (5) | C9'—C10'—H10C | 109.3 |
C3—C2—C1' | 121.3 (9) | C11'—C10'—H10C | 109.3 |
C7—C2—C1' | 119.9 (9) | C9'—C10'—H10D | 109.3 |
C1—C2—C1' | 8.1 (13) | C11'—C10'—H10D | 109.3 |
C2—C1—H1A | 109.5 | H10C—C10'—H10D | 108.0 |
C2—C1—H1B | 109.5 | C12'—C11'—C10' | 108.5 (11) |
C2—C1—H1C | 109.5 | C12'—C11'—H11C | 110.0 |
N1—C9—C10 | 109.2 (2) | C10'—C11'—H11C | 110.0 |
N1—C9—H9A | 109.8 | C12'—C11'—H11D | 110.0 |
C10—C9—H9A | 109.8 | C10'—C11'—H11D | 110.0 |
N1—C9—H9B | 109.8 | H11C—C11'—H11D | 108.4 |
C10—C9—H9B | 109.8 | O2'—C12'—C13' | 108.8 (10) |
H9A—C9—H9B | 108.3 | O2'—C12'—C11' | 114.1 (11) |
C9—C10—C11 | 111.6 (3) | C13'—C12'—C11' | 113.8 (11) |
C9—C10—H10A | 109.3 | O2'—C12'—H12' | 106.5 |
C11—C10—H10A | 109.3 | C13'—C12'—H12' | 106.5 |
C9—C10—H10B | 109.3 | C11'—C12'—H12' | 106.5 |
C11—C10—H10B | 109.3 | C12'—C13'—N1' | 109.8 (8) |
H10A—C10—H10B | 108.0 | C12'—C13'—H13C | 109.7 |
C12—C11—C10 | 110.9 (3) | N1'—C13'—H13C | 109.7 |
C12—C11—H11A | 109.5 | C12'—C13'—H13D | 109.7 |
C10—C11—H11A | 109.5 | N1'—C13'—H13D | 109.7 |
C12—C11—H11B | 109.5 | H13C—C13'—H13D | 108.2 |
C10—C11—H11B | 109.5 | C8—N1'—C9' | 118.4 (8) |
H11A—C11—H11B | 108.1 | C8—N1'—C13' | 125.4 (7) |
O2—C12—C11 | 114.8 (3) | C9'—N1'—C13' | 114.0 (8) |
O2—C12—C13 | 111.1 (3) | C12'—O2'—H2' | 109.5 |
C2—C3—C4—C5 | 1.4 (3) | N1'—C8—N1—C13 | 82.2 (6) |
C3—C4—C5—C6 | −0.9 (3) | C5—C8—N1—C13 | −3.4 (4) |
C3—C4—C5—C8 | −176.20 (19) | O1—C8—N1—C9 | 15.1 (6) |
C4—C5—C6—C7 | 0.0 (3) | O1'—C8—N1—C9 | 1.9 (13) |
C8—C5—C6—C7 | 175.2 (2) | N1'—C8—N1—C9 | −89.1 (6) |
C5—C6—C7—C2 | 0.3 (3) | C5—C8—N1—C9 | −174.6 (2) |
C4—C5—C8—O1 | 63.9 (5) | C12—C13—N1—C8 | −112.6 (4) |
C6—C5—C8—O1 | −111.3 (5) | C12—C13—N1—C9 | 59.2 (4) |
C4—C5—C8—N1 | −106.4 (3) | C10—C9—N1—C8 | 114.0 (4) |
C6—C5—C8—N1 | 78.4 (3) | C10—C9—N1—C13 | −58.2 (4) |
C4—C5—C8—O1' | 77.0 (13) | N1'—C9'—C10'—C11' | −50.2 (19) |
C6—C5—C8—O1' | −98.2 (12) | C9'—C10'—C11'—C12' | 51.2 (19) |
C4—C5—C8—N1' | −146.0 (5) | C10'—C11'—C12'—O2' | 177.8 (13) |
C6—C5—C8—N1' | 38.8 (6) | C10'—C11'—C12'—C13' | −56.6 (19) |
C4—C3—C2—C7 | −1.1 (3) | O2'—C12'—C13'—N1' | −174.5 (10) |
C4—C3—C2—C1 | 176.7 (4) | C11'—C12'—C13'—N1' | 57.1 (17) |
C4—C3—C2—C1' | −174.0 (12) | O1—C8—N1'—C9' | −18.1 (12) |
C6—C7—C2—C3 | 0.2 (3) | N1—C8—N1'—C9' | 80.7 (10) |
C6—C7—C2—C1 | −177.6 (4) | O1'—C8—N1'—C9' | −28.7 (16) |
C6—C7—C2—C1' | 173.2 (12) | C5—C8—N1'—C9' | −167.5 (8) |
N1—C9—C10—C11 | 54.8 (5) | O1—C8—N1'—C13' | 179.8 (9) |
C9—C10—C11—C12 | −54.5 (5) | N1—C8—N1'—C13' | −81.4 (10) |
C10—C11—C12—O2 | −179.9 (4) | O1'—C8—N1'—C13' | 169.2 (14) |
C10—C11—C12—C13 | 53.9 (5) | C5—C8—N1'—C13' | 30.3 (12) |
O2—C12—C13—N1 | 176.0 (3) | C10'—C9'—N1'—C8 | −112.8 (14) |
C11—C12—C13—N1 | −55.7 (4) | C10'—C9'—N1'—C13' | 51.3 (17) |
O1—C8—N1—C13 | −173.6 (5) | C12'—C13'—N1'—C8 | 109.9 (14) |
O1'—C8—N1—C13 | 173.2 (13) | C12'—C13'—N1'—C9' | −52.9 (14) |
D—H···A | D—H | H···A | D···A | D—H···A |
C9—H9B···O1i | 0.97 | 2.66 | 3.598 (7) | 163 |
O2—H2···O1ii | 0.82 | 2.02 | 2.802 (7) | 159 |
O2′—H2′···O1′ii | 0.82 | 2.07 | 2.70 (3) | 134 |
Symmetry codes: (i) −x, −y, z−1/2; (ii) x, y, z−1. |
Acknowledgements
The authors thank the Central Instrumentation Facility, Queen Mary's College, Chennai-4 for computing facility and the SAIF, IIT, Madras, for the X-ray data collection facility.
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