organic compounds
4-Phenyl-2,5,5a,6,7,8,9,9a-hexahydro-1H-1,5-benzodiazepine-2-thione ethanol monosolvate
aLaboratoire de Chimie Organique Heterocyclique URAC 21, Av. Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco, bLaboratory of Medicinal Chemistry, Drug Sciences Research Center, Faculty of Medicine and Pharmacy, Mohammed V University, Rabat, Morocco, cNational Center of Energy Sciences and Nuclear Techniques, Rabat, Morocco, and dDepartment of Chemistry, Tulane University, New Orleans, LA 70118, USA
*Correspondence e-mail: awedad17@yahoo.com
In the solvated title compound, C15H18N2S·C2H5OH, the seven-membered ring has a twisted and the cyclohexyl ring has a chair conformation. In the crystal, N—H⋯O and O—H⋯S hydrogen bonds as well as C—H⋯π(ring) interactions form helical chains in which the thione and solvent ethanol molecules alternate. These chains are formed into layers parallel to (101) by inversion-related pairs of N—H⋯S hydrogen bonds. The ethanol solvent molecule is disordered over two sets of sites [occupancy ratio 0.880 (8): 0.120 (8)] with the oxygen atom in common.
Keywords: crystal structure; hydrogen bonds; benzodiazepine; C—H⋯π interactions.
CCDC reference: 1866809
Structure description
Benzodiazepine derivatives have attracted significant attention because of their biological and therapeutic activities. They are used as sedatives, hypnotics, anxiolytics, anticonvulsants, analgesic, antidepressants, hypnotic, anti-inflammatory and muscle relaxant agents (Pasha & Jayashankara, 2006; Radatz et al. 2011; Naga Prashant & Ravi Kuma, 2015). As a continuation of our research into 1,5-benzodiazepine derivatives (Al Garadi et al., 2018), we prepared the title compound (Fig. 1) and characterized it by X-ray diffraction.
From the C8—C7—C10—C11 torsion angle of 44.3 (3)°, the pendant phenyl ring is inclined to the approximately planar portion of the seven-membered ring. This ring adopts a twisted Q(2) = 0.5165 (19) Å, Q(3) = 0.3634 (19) Å, φ(2) = 301.7 (2)° and φ(3) = 217.2 (2)° with a total puckering amplitude of 0.632 (2) Å. The cyclohexyl ring adopts a chair conformation with puckering parameters Q = 0.550 (3) Å, θ = 9.4 (2)° and φ = 142.2 (16)°.
with C1 at the flap and a Cremer–Pople puckering analysis gave the parametersIn the crystal, each molecule is connected to an ethanol solvent molecule by an N1—H1A⋯O1 hydrogen bond and these units are formed into helical chains extending along the b-axis direction by O1—H1B⋯S1 hydrogen bonds and C6—H6⋯Cg2 interactions (Table 1 and Fig. 2). The chains are connected by inversion-related pairs of N2—H2⋯S1 hydrogen bonds, forming layers parallel to (101) (Table 1 and Fig. 3).
Synthesis and crystallization
Phosphorus pentasulfide (5.55 g, 0.025 mol) was added to a solution of 4-phenyl-5a,6,7,8,9,9a-hexahydro-1H-1,5-benzodiazepin-2(5H)-one (4.84 g, 0.02 mol) in 100 ml of pyridine. The mixture was refluxed for 3 h and the solvent was then evaporated under reduced pressure. The precipitate formed was washed with hot water. The residue obtained was crystallized from ethanol solution to afford colourless plates of the title compound.
Refinement
Crystal and . Hydrogen atoms attached to carbon were placed in idealized positions while those attached to nitrogen and oxygen were located in difference maps and their coordinates adjusted to give N—H = 0.91 Å and O—H = 0.87 Å. All were included as riding contributions. The ethanol solvent molecule is disordered over two sets of sites [occupancy ratio 0.880 (8): 0.120 (8)] with the oxygen atom in common. The components of the disorder were refined with restraints that their geometries be comparable.
details are presented in Table 2Structural data
CCDC reference: 1866809
https://doi.org/10.1107/S2414314618012762/hb4260sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2414314618012762/hb4260Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2414314618012762/hb4260Isup3.cml
Data collection: APEX3 (Bruker, 2016); cell
SAINT (Bruker, 2016); data reduction: SAINT (Bruker, 2016); program(s) used to solve structure: SHELXT (Sheldrick, 2015a); program(s) used to refine structure: SHELXL2018/1 (Sheldrick, 2015b); molecular graphics: Mercury (Macrae et al., 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C15H18N2S·C2H6O | F(000) = 656 |
Mr = 304.44 | Dx = 1.192 Mg m−3 |
Monoclinic, P21/n | Cu Kα radiation, λ = 1.54178 Å |
a = 12.0255 (2) Å | Cell parameters from 8452 reflections |
b = 8.9303 (2) Å | θ = 4.9–70.1° |
c = 15.8822 (3) Å | µ = 1.69 mm−1 |
β = 95.813 (1)° | T = 298 K |
V = 1696.84 (6) Å3 | Plate, colourless |
Z = 4 | 0.22 × 0.13 × 0.04 mm |
Bruker D8 VENTURE PHOTON 100 CMOS diffractometer | 2613 reflections with I > 2σ(I) |
Radiation source: INCOATEC IµS micro-focus source | Rint = 0.032 |
ω scans | θmax = 70.1°, θmin = 4.9° |
Absorption correction: multi-scan (SADABS; Krause et al., 2015) | h = −14→14 |
Tmin = 0.71, Tmax = 0.93 | k = −10→10 |
12459 measured reflections | l = −19→17 |
3209 independent reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.044 | Hydrogen site location: mixed |
wR(F2) = 0.125 | H-atom parameters constrained |
S = 1.07 | w = 1/[σ2(Fo2) + (0.0531P)2 + 0.7241P] where P = (Fo2 + 2Fc2)/3 |
3209 reflections | (Δ/σ)max < 0.001 |
199 parameters | Δρmax = 0.30 e Å−3 |
26 restraints | Δρmin = −0.18 e Å−3 |
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 attached to carbon were placed in calculated positions (C—H = 0.93 - 0.98 Å) while those attached to nitrogen and oxygen were placed in locations derived from a difference map and their coordinates adjusted to give N—H = 0.91 %A. and O—H = 0.87 Å. All were included as riding contributions with isotropic displacement parameters 1.2 - 1.5 times those of the attached atoms. The lattice ethanol is disordered over two sites with the oxygen atom in common. The components of the disorder were refined with restraints that their geometries be comparable. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
S1 | 0.04411 (5) | 0.33255 (6) | 0.41909 (4) | 0.0606 (2) | |
N1 | 0.35246 (13) | 0.63053 (17) | 0.34690 (10) | 0.0464 (4) | |
H1A | 0.415425 | 0.668287 | 0.327593 | 0.056* | |
N2 | 0.16991 (13) | 0.56183 (17) | 0.46634 (9) | 0.0470 (4) | |
H2 | 0.109900 | 0.578865 | 0.495602 | 0.056* | |
C1 | 0.26404 (17) | 0.6658 (2) | 0.47957 (12) | 0.0484 (5) | |
H1 | 0.329705 | 0.611765 | 0.505524 | 0.058* | |
C2 | 0.2299 (2) | 0.7841 (3) | 0.54160 (14) | 0.0638 (6) | |
H2A | 0.157157 | 0.823675 | 0.520850 | 0.077* | |
H2B | 0.223027 | 0.736859 | 0.595837 | 0.077* | |
C3 | 0.3128 (2) | 0.9130 (3) | 0.55427 (15) | 0.0740 (7) | |
H3A | 0.286707 | 0.985167 | 0.593474 | 0.089* | |
H3B | 0.384858 | 0.875486 | 0.578180 | 0.089* | |
C4 | 0.3246 (2) | 0.9874 (3) | 0.47095 (15) | 0.0664 (6) | |
H4A | 0.376771 | 1.070253 | 0.479142 | 0.080* | |
H4B | 0.252863 | 1.026899 | 0.447656 | 0.080* | |
C5 | 0.3667 (2) | 0.8748 (2) | 0.40967 (16) | 0.0630 (6) | |
H5A | 0.441443 | 0.843268 | 0.431149 | 0.076* | |
H5B | 0.371657 | 0.923603 | 0.355604 | 0.076* | |
C6 | 0.29211 (16) | 0.7361 (2) | 0.39586 (12) | 0.0453 (4) | |
H6 | 0.222356 | 0.764715 | 0.362434 | 0.054* | |
C7 | 0.32591 (15) | 0.4872 (2) | 0.33075 (11) | 0.0402 (4) | |
C8 | 0.23849 (16) | 0.4073 (2) | 0.35782 (12) | 0.0461 (4) | |
H8 | 0.229905 | 0.311777 | 0.334793 | 0.055* | |
C9 | 0.15903 (16) | 0.4448 (2) | 0.41463 (11) | 0.0440 (4) | |
C10 | 0.39812 (14) | 0.4097 (2) | 0.27311 (11) | 0.0417 (4) | |
C11 | 0.43429 (17) | 0.2639 (2) | 0.28946 (13) | 0.0521 (5) | |
H11 | 0.415250 | 0.214890 | 0.337637 | 0.062* | |
C12 | 0.49857 (19) | 0.1908 (3) | 0.23445 (16) | 0.0640 (6) | |
H12 | 0.522541 | 0.093252 | 0.245910 | 0.077* | |
C13 | 0.52694 (18) | 0.2624 (3) | 0.16295 (15) | 0.0636 (6) | |
H13 | 0.569293 | 0.212846 | 0.125778 | 0.076* | |
C14 | 0.49280 (18) | 0.4067 (3) | 0.14656 (14) | 0.0586 (5) | |
H14 | 0.512929 | 0.455074 | 0.098518 | 0.070* | |
C15 | 0.42842 (16) | 0.4814 (2) | 0.20098 (12) | 0.0478 (4) | |
H15 | 0.405520 | 0.579352 | 0.189269 | 0.057* | |
O1 | 0.55130 (14) | 0.7823 (2) | 0.28035 (11) | 0.0695 (4) | |
H1B | 0.527520 | 0.804551 | 0.228297 | 0.083* | |
C16 | 0.6566 (3) | 0.7119 (5) | 0.2791 (2) | 0.0730 (10) | 0.880 (8) |
H16A | 0.714534 | 0.786480 | 0.275471 | 0.088* | 0.880 (8) |
H16B | 0.655933 | 0.645981 | 0.230550 | 0.088* | 0.880 (8) |
C17 | 0.6787 (3) | 0.6240 (6) | 0.3592 (4) | 0.1058 (17) | 0.880 (8) |
H17A | 0.620071 | 0.552021 | 0.362783 | 0.159* | 0.880 (8) |
H17B | 0.681220 | 0.690618 | 0.406817 | 0.159* | 0.880 (8) |
H17C | 0.748986 | 0.572968 | 0.359468 | 0.159* | 0.880 (8) |
C16A | 0.6613 (11) | 0.734 (3) | 0.308 (2) | 0.0730 (10) | 0.120 (8) |
H16C | 0.678136 | 0.768901 | 0.365371 | 0.088* | 0.120 (8) |
H16D | 0.711080 | 0.787784 | 0.273674 | 0.088* | 0.120 (8) |
C17A | 0.694 (3) | 0.573 (3) | 0.306 (3) | 0.1058 (17) | 0.120 (8) |
H17D | 0.768610 | 0.560942 | 0.332235 | 0.159* | 0.120 (8) |
H17E | 0.689151 | 0.538366 | 0.248687 | 0.159* | 0.120 (8) |
H17F | 0.643514 | 0.515141 | 0.336788 | 0.159* | 0.120 (8) |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0667 (3) | 0.0529 (3) | 0.0685 (4) | −0.0219 (2) | 0.0373 (3) | −0.0206 (2) |
N1 | 0.0516 (9) | 0.0382 (8) | 0.0527 (9) | −0.0079 (7) | 0.0223 (7) | −0.0065 (7) |
N2 | 0.0554 (9) | 0.0428 (8) | 0.0464 (8) | −0.0098 (7) | 0.0230 (7) | −0.0088 (7) |
C1 | 0.0574 (11) | 0.0449 (10) | 0.0446 (10) | −0.0076 (8) | 0.0127 (8) | −0.0047 (8) |
C2 | 0.0852 (16) | 0.0587 (13) | 0.0515 (11) | −0.0194 (12) | 0.0257 (11) | −0.0165 (10) |
C3 | 0.0958 (18) | 0.0668 (15) | 0.0605 (13) | −0.0214 (13) | 0.0133 (12) | −0.0239 (12) |
C4 | 0.0845 (16) | 0.0473 (12) | 0.0701 (14) | −0.0178 (11) | 0.0210 (12) | −0.0161 (10) |
C5 | 0.0766 (14) | 0.0470 (11) | 0.0702 (14) | −0.0181 (10) | 0.0305 (11) | −0.0142 (10) |
C6 | 0.0518 (10) | 0.0390 (9) | 0.0471 (10) | −0.0035 (8) | 0.0145 (8) | −0.0050 (8) |
C7 | 0.0450 (9) | 0.0378 (9) | 0.0394 (9) | 0.0009 (7) | 0.0121 (7) | 0.0000 (7) |
C8 | 0.0538 (10) | 0.0369 (9) | 0.0506 (10) | −0.0051 (8) | 0.0203 (8) | −0.0074 (8) |
C9 | 0.0543 (10) | 0.0380 (9) | 0.0422 (9) | −0.0044 (8) | 0.0168 (8) | −0.0010 (7) |
C10 | 0.0430 (9) | 0.0409 (9) | 0.0425 (9) | −0.0020 (7) | 0.0109 (7) | −0.0039 (7) |
C11 | 0.0605 (12) | 0.0456 (11) | 0.0515 (11) | 0.0078 (9) | 0.0129 (9) | 0.0008 (9) |
C12 | 0.0637 (13) | 0.0555 (13) | 0.0734 (15) | 0.0176 (10) | 0.0092 (11) | −0.0094 (11) |
C13 | 0.0520 (11) | 0.0755 (15) | 0.0661 (14) | 0.0061 (10) | 0.0210 (10) | −0.0197 (12) |
C14 | 0.0576 (12) | 0.0697 (14) | 0.0524 (11) | −0.0101 (10) | 0.0243 (9) | −0.0083 (10) |
C15 | 0.0517 (10) | 0.0457 (10) | 0.0483 (10) | −0.0049 (8) | 0.0165 (8) | −0.0027 (8) |
O1 | 0.0703 (10) | 0.0719 (11) | 0.0691 (10) | −0.0013 (8) | 0.0199 (8) | 0.0040 (8) |
C16 | 0.0624 (14) | 0.087 (2) | 0.071 (2) | −0.0080 (13) | 0.0133 (14) | 0.0089 (17) |
C17 | 0.083 (2) | 0.120 (3) | 0.110 (3) | −0.015 (2) | −0.007 (2) | 0.048 (3) |
C16A | 0.0624 (14) | 0.087 (2) | 0.071 (2) | −0.0080 (13) | 0.0133 (14) | 0.0089 (17) |
C17A | 0.083 (2) | 0.120 (3) | 0.110 (3) | −0.015 (2) | −0.007 (2) | 0.048 (3) |
S1—C9 | 1.7143 (18) | C10—C11 | 1.389 (3) |
N1—C7 | 1.338 (2) | C10—C15 | 1.393 (3) |
N1—C6 | 1.461 (2) | C11—C12 | 1.387 (3) |
N1—H1A | 0.9100 | C11—H11 | 0.9300 |
N2—C9 | 1.328 (2) | C12—C13 | 1.376 (3) |
N2—C1 | 1.463 (2) | C12—H12 | 0.9300 |
N2—H2 | 0.9099 | C13—C14 | 1.369 (3) |
C1—C2 | 1.528 (3) | C13—H13 | 0.9300 |
C1—C6 | 1.538 (3) | C14—C15 | 1.388 (3) |
C1—H1 | 0.9800 | C14—H14 | 0.9300 |
C2—C3 | 1.523 (3) | C15—H15 | 0.9300 |
C2—H2A | 0.9700 | O1—C16 | 1.416 (3) |
C2—H2B | 0.9700 | O1—C16A | 1.416 (4) |
C3—C4 | 1.501 (3) | O1—H1B | 0.8700 |
C3—H3A | 0.9700 | C16—C17 | 1.495 (5) |
C3—H3B | 0.9700 | C16—H16A | 0.9700 |
C4—C5 | 1.521 (3) | C16—H16B | 0.9700 |
C4—H4A | 0.9700 | C17—H17A | 0.9600 |
C4—H4B | 0.9700 | C17—H17B | 0.9600 |
C5—C6 | 1.532 (3) | C17—H17C | 0.9600 |
C5—H5A | 0.9700 | C16A—C17A | 1.495 (6) |
C5—H5B | 0.9700 | C16A—H16C | 0.9700 |
C6—H6 | 0.9800 | C16A—H16D | 0.9700 |
C7—C8 | 1.375 (2) | C17A—H17D | 0.9600 |
C7—C10 | 1.494 (2) | C17A—H17E | 0.9600 |
C8—C9 | 1.419 (2) | C17A—H17F | 0.9600 |
C8—H8 | 0.9300 | ||
C7—N1—C6 | 126.71 (15) | N2—C9—C8 | 123.24 (16) |
C7—N1—H1A | 118.7 | N2—C9—S1 | 117.65 (13) |
C6—N1—H1A | 114.5 | C8—C9—S1 | 119.09 (14) |
C9—N2—C1 | 127.96 (15) | C11—C10—C15 | 118.79 (17) |
C9—N2—H2 | 114.5 | C11—C10—C7 | 120.66 (16) |
C1—N2—H2 | 117.6 | C15—C10—C7 | 120.53 (16) |
N2—C1—C2 | 106.07 (16) | C12—C11—C10 | 120.5 (2) |
N2—C1—C6 | 111.68 (15) | C12—C11—H11 | 119.8 |
C2—C1—C6 | 111.82 (16) | C10—C11—H11 | 119.8 |
N2—C1—H1 | 109.1 | C13—C12—C11 | 120.1 (2) |
C2—C1—H1 | 109.1 | C13—C12—H12 | 119.9 |
C6—C1—H1 | 109.1 | C11—C12—H12 | 119.9 |
C3—C2—C1 | 113.13 (19) | C14—C13—C12 | 119.97 (19) |
C3—C2—H2A | 109.0 | C14—C13—H13 | 120.0 |
C1—C2—H2A | 109.0 | C12—C13—H13 | 120.0 |
C3—C2—H2B | 109.0 | C13—C14—C15 | 120.6 (2) |
C1—C2—H2B | 109.0 | C13—C14—H14 | 119.7 |
H2A—C2—H2B | 107.8 | C15—C14—H14 | 119.7 |
C4—C3—C2 | 109.73 (19) | C14—C15—C10 | 120.0 (2) |
C4—C3—H3A | 109.7 | C14—C15—H15 | 120.0 |
C2—C3—H3A | 109.7 | C10—C15—H15 | 120.0 |
C4—C3—H3B | 109.7 | C16—O1—H1B | 107.3 |
C2—C3—H3B | 109.7 | C16A—O1—H1B | 124.5 |
H3A—C3—H3B | 108.2 | O1—C16—C17 | 107.7 (3) |
C3—C4—C5 | 109.8 (2) | O1—C16—H16A | 110.2 |
C3—C4—H4A | 109.7 | C17—C16—H16A | 110.2 |
C5—C4—H4A | 109.7 | O1—C16—H16B | 110.2 |
C3—C4—H4B | 109.7 | C17—C16—H16B | 110.2 |
C5—C4—H4B | 109.7 | H16A—C16—H16B | 108.5 |
H4A—C4—H4B | 108.2 | C16—C17—H17A | 109.5 |
C4—C5—C6 | 113.44 (17) | C16—C17—H17B | 109.5 |
C4—C5—H5A | 108.9 | H17A—C17—H17B | 109.5 |
C6—C5—H5A | 108.9 | C16—C17—H17C | 109.5 |
C4—C5—H5B | 108.9 | H17A—C17—H17C | 109.5 |
C6—C5—H5B | 108.9 | H17B—C17—H17C | 109.5 |
H5A—C5—H5B | 107.7 | O1—C16A—C17A | 122 (2) |
N1—C6—C5 | 106.42 (15) | O1—C16A—H16C | 107.0 |
N1—C6—C1 | 111.14 (16) | C17A—C16A—H16C | 107.0 |
C5—C6—C1 | 112.51 (16) | O1—C16A—H16D | 107.0 |
N1—C6—H6 | 108.9 | C17A—C16A—H16D | 107.0 |
C5—C6—H6 | 108.9 | H16C—C16A—H16D | 106.7 |
C1—C6—H6 | 108.9 | C16A—C17A—H17D | 109.5 |
N1—C7—C8 | 127.71 (16) | C16A—C17A—H17E | 109.5 |
N1—C7—C10 | 114.72 (15) | H17D—C17A—H17E | 109.5 |
C8—C7—C10 | 117.50 (16) | C16A—C17A—H17F | 109.5 |
C7—C8—C9 | 131.47 (17) | H17D—C17A—H17F | 109.5 |
C7—C8—H8 | 114.3 | H17E—C17A—H17F | 109.5 |
C9—C8—H8 | 114.3 | ||
C9—N2—C1—C2 | 176.7 (2) | C10—C7—C8—C9 | 176.8 (2) |
C9—N2—C1—C6 | 54.7 (3) | C1—N2—C9—C8 | −4.3 (3) |
N2—C1—C2—C3 | −172.9 (2) | C1—N2—C9—S1 | 174.38 (15) |
C6—C1—C2—C3 | −50.9 (3) | C7—C8—C9—N2 | −13.8 (4) |
C1—C2—C3—C4 | 58.6 (3) | C7—C8—C9—S1 | 167.52 (18) |
C2—C3—C4—C5 | −60.0 (3) | N1—C7—C10—C11 | 138.34 (19) |
C3—C4—C5—C6 | 56.8 (3) | C8—C7—C10—C11 | −44.4 (3) |
C7—N1—C6—C5 | 169.86 (19) | N1—C7—C10—C15 | −43.0 (2) |
C7—N1—C6—C1 | 47.0 (3) | C8—C7—C10—C15 | 134.25 (19) |
C4—C5—C6—N1 | −171.3 (2) | C15—C10—C11—C12 | −0.6 (3) |
C4—C5—C6—C1 | −49.4 (3) | C7—C10—C11—C12 | 178.09 (19) |
N2—C1—C6—N1 | −76.6 (2) | C10—C11—C12—C13 | −0.1 (3) |
C2—C1—C6—N1 | 164.69 (17) | C11—C12—C13—C14 | 0.8 (4) |
N2—C1—C6—C5 | 164.15 (17) | C12—C13—C14—C15 | −0.8 (3) |
C2—C1—C6—C5 | 45.5 (2) | C13—C14—C15—C10 | 0.1 (3) |
C6—N1—C7—C8 | −1.6 (3) | C11—C10—C15—C14 | 0.6 (3) |
C6—N1—C7—C10 | 175.40 (17) | C7—C10—C15—C14 | −178.09 (18) |
N1—C7—C8—C9 | −6.4 (4) |
Cg2 is the centroid of the C10–C15 ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O1 | 0.91 | 2.13 | 3.030 (2) | 173 |
N2—H2···S1i | 0.91 | 2.53 | 3.4312 (15) | 171 |
O1—H1B···S1ii | 0.87 | 2.42 | 3.2886 (18) | 173 |
C6—H6···Cg2ii | 0.98 | 2.54 | 3.516 (2) | 177 |
Symmetry codes: (i) −x, −y+1, −z+1; (ii) −x+1/2, y+1/2, −z+1/2. |
Acknowledgements
The support of NSF-MRI Grant #1228232 for the purchase of the diffractometer and Tulane University for support of the Tulane Crystallography Laboratory are gratefully acknowledged.
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