organic compounds
of 4-{[(naphthalen-2-yl)sulfonylamino]methyl}cyclohexanecarboxylic acid
aDepartment of Chemistry, Institute of Natural Sciences, University of Gujrat, Gujrat 50700, Pakistan, and bDepartment of Physics, University of Sargodha, Sargodha, Punjab, Pakistan
*Correspondence e-mail: dmntahir_uos@yahoo.com
The title compound, C18H21NO4S, is a new sulfonamide derivative of tranexamic acid. In the crystal, molecules form inversion dimers via O—H⋯O hydrogen bonds involving the carboxylic acid groups. Hydrogen bonding between the sulfonamide N—H group and the carboxylic acid O atom assembles the dimers into thick layers parallel to (100). The naphthalene groups of adjacent layers are arranged in a herring-bone motif. There are C—H⋯π interactions between the naphthalene rings of neighbouring layers.
CCDC reference: 1046512
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; 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) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON.
Supporting information
CCDC reference: 1046512
10.1107/S2056989015002054/gk2626sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S2056989015002054/gk2626Isup2.hkl
Supporting information file. DOI: 10.1107/S2056989015002054/gk2626Isup3.cml
The title compound (Fig. 1), a derivative of tranexamic acid, was prepared as a part of our studies on
It is also planned to use this compound for complexing metal ions. The crystal structures of similar compounds have been reported earlier [4-((((4-methylphenyl)sulfonyl)amino)methyl)cyclohexanecarboxylic acid (Ashfaq et al., 2011a); 4-((4-methoxybenzenesulfonamido)methyl)cyclohexane-1- carboxylic acid (Ashfaq et al., 2011b).The cyclohexyl ring of tranexamic acidic moiety is in a chair form. The atoms forming the basal plane A (C3/C4/C6/C7) are co-planar (r. m.s deviation of 0.0032 Å). The C2 and C5 atoms are at a distance of 0.653 (3) and 0.678 (3) Å from the plane A. The naphthalene ring B (C9—C18) is also planar with r. m.s deviation of 0.0051 Å. The dihedral angle between A/B is 45.76 (6)°. The carboxylic group is oriented at a dihedral angle of 38.5 (2)° with the plane A. The molecules form centrosymmetric dimers due to O—H···O type hydrogen bonds of the carboxylic groups and complete R22(8) ring motif. The dimers are interlinked through N—H···O bonds (Table 1, Fig. 2) completing R22(22) ring motif to form two dimensional polymeric network parallel to (100). There are C—H···π (Table 1) interactions between the naphthalene rings from neighboring (100) layers.
The title compound was prepared from 2-naphthalenesulfonyl chloride (1 mmol, 0.226 g) and tranexamic acid(1 mmol, 0.157 g) added to 20 ml of distilled water. The mixture was constantly stirred and its pH was maintained at 8–9 by using 1 M sodium bicarbonate solution. Completion of the reaction after 3 h was confirmed by observing clear solution. The final product was precipitated by adding 0.1 M HCl solution, separated and recrystallized from ethanol-water mixture in 1:1 volume ratio. Colorless needles suitable for X-ray data collection were obtained after one week (yield: 59%, m.p. 483 K).
Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); 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) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).Fig. 1. View of the title compound with the atom numbering scheme. Displacement ellipsoids are drawn at the 50% probability level. H-atoms are shown by small circles of arbitrary radii. | |
Fig. 2. View of the crystal packing in the title compound with hydrogen bonds shown as dashed lines. |
C18H21NO4S | F(000) = 736 |
Mr = 347.42 | Dx = 1.380 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
a = 16.5301 (13) Å | Cell parameters from 2315 reflections |
b = 6.0573 (4) Å | θ = 1.3–27.0° |
c = 17.0036 (12) Å | µ = 0.22 mm−1 |
β = 100.810 (4)° | T = 296 K |
V = 1672.3 (2) Å3 | Needle, colourless |
Z = 4 | 0.40 × 0.22 × 0.20 mm |
Bruker Kappa APEXII CCD diffractometer | 3636 independent reflections |
Radiation source: fine-focus sealed tube | 2315 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.036 |
Detector resolution: 7.80 pixels mm-1 | θmax = 27.0°, θmin = 1.3° |
ω scans | h = −21→20 |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | k = −7→6 |
Tmin = 0.920, Tmax = 0.956 | l = −21→21 |
13364 measured 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)] = 0.045 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.117 | H-atom parameters constrained |
S = 1.02 | w = 1/[σ2(Fo2) + (0.049P)2 + 0.3363P] where P = (Fo2 + 2Fc2)/3 |
3636 reflections | (Δ/σ)max < 0.001 |
218 parameters | Δρmax = 0.27 e Å−3 |
0 restraints | Δρmin = −0.36 e Å−3 |
C18H21NO4S | V = 1672.3 (2) Å3 |
Mr = 347.42 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 16.5301 (13) Å | µ = 0.22 mm−1 |
b = 6.0573 (4) Å | T = 296 K |
c = 17.0036 (12) Å | 0.40 × 0.22 × 0.20 mm |
β = 100.810 (4)° |
Bruker Kappa APEXII CCD diffractometer | 3636 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 2315 reflections with I > 2σ(I) |
Tmin = 0.920, Tmax = 0.956 | Rint = 0.036 |
13364 measured reflections |
R[F2 > 2σ(F2)] = 0.045 | 0 restraints |
wR(F2) = 0.117 | H-atom parameters constrained |
S = 1.02 | Δρmax = 0.27 e Å−3 |
3636 reflections | Δρmin = −0.36 e Å−3 |
218 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
S1 | 0.22360 (4) | 1.11590 (10) | −0.03913 (3) | 0.04790 (19) | |
O1 | 0.46462 (13) | 1.1212 (3) | 0.40940 (10) | 0.0784 (6) | |
H1 | 0.4886 | 1.1331 | 0.4560 | 0.118* | |
O2 | 0.43679 (11) | 0.7932 (3) | 0.45431 (9) | 0.0664 (5) | |
O3 | 0.16554 (11) | 1.1324 (3) | 0.01273 (9) | 0.0690 (5) | |
O4 | 0.25871 (12) | 1.3099 (3) | −0.06651 (9) | 0.0676 (5) | |
N1 | 0.29769 (11) | 0.9664 (3) | 0.00539 (10) | 0.0494 (5) | |
H1A | 0.3455 | 0.9895 | −0.0061 | 0.059* | |
C1 | 0.42778 (14) | 0.9398 (4) | 0.40022 (12) | 0.0481 (6) | |
C2 | 0.37262 (13) | 0.8893 (3) | 0.32200 (12) | 0.0407 (5) | |
H2 | 0.3195 | 0.8392 | 0.3331 | 0.049* | |
C3 | 0.40971 (15) | 0.7018 (4) | 0.28063 (13) | 0.0513 (6) | |
H3A | 0.4646 | 0.7433 | 0.2737 | 0.062* | |
H3B | 0.4146 | 0.5715 | 0.3144 | 0.062* | |
C4 | 0.35752 (15) | 0.6468 (4) | 0.19930 (12) | 0.0493 (6) | |
H4A | 0.3848 | 0.5332 | 0.1737 | 0.059* | |
H4B | 0.3047 | 0.5891 | 0.2067 | 0.059* | |
C5 | 0.34370 (13) | 0.8489 (3) | 0.14548 (12) | 0.0404 (5) | |
H5 | 0.3975 | 0.9008 | 0.1370 | 0.048* | |
C6 | 0.30492 (14) | 1.0314 (4) | 0.18683 (11) | 0.0436 (5) | |
H6A | 0.2508 | 0.9847 | 0.1944 | 0.052* | |
H6B | 0.2980 | 1.1615 | 0.1530 | 0.052* | |
C7 | 0.35715 (14) | 1.0900 (3) | 0.26754 (12) | 0.0440 (5) | |
H7A | 0.3293 | 1.2029 | 0.2930 | 0.053* | |
H7B | 0.4094 | 1.1498 | 0.2596 | 0.053* | |
C8 | 0.29161 (15) | 0.7938 (4) | 0.06398 (12) | 0.0484 (6) | |
H8A | 0.3099 | 0.6546 | 0.0452 | 0.058* | |
H8B | 0.2345 | 0.7769 | 0.0693 | 0.058* | |
C9 | 0.17432 (12) | 0.9711 (4) | −0.12510 (11) | 0.0388 (5) | |
C10 | 0.14017 (14) | 0.7621 (4) | −0.11635 (13) | 0.0484 (6) | |
H10 | 0.1453 | 0.6988 | −0.0658 | 0.058* | |
C11 | 0.09970 (14) | 0.6527 (4) | −0.18159 (13) | 0.0483 (6) | |
H11 | 0.0769 | 0.5149 | −0.1753 | 0.058* | |
C12 | 0.09160 (12) | 0.7449 (4) | −0.25889 (12) | 0.0405 (5) | |
C13 | 0.04936 (14) | 0.6359 (4) | −0.32851 (14) | 0.0514 (6) | |
H13 | 0.0258 | 0.4982 | −0.3240 | 0.062* | |
C14 | 0.04315 (15) | 0.7311 (4) | −0.40141 (14) | 0.0577 (7) | |
H14 | 0.0150 | 0.6586 | −0.4466 | 0.069* | |
C15 | 0.07844 (14) | 0.9367 (4) | −0.40943 (13) | 0.0546 (6) | |
H15 | 0.0742 | 0.9988 | −0.4600 | 0.066* | |
C16 | 0.11865 (13) | 1.0470 (4) | −0.34486 (12) | 0.0465 (6) | |
H16 | 0.1413 | 1.1849 | −0.3513 | 0.056* | |
C17 | 0.12663 (12) | 0.9548 (3) | −0.26764 (11) | 0.0379 (5) | |
C18 | 0.16767 (12) | 1.0656 (4) | −0.19883 (11) | 0.0389 (5) | |
H18 | 0.1904 | 1.2042 | −0.2037 | 0.047* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0589 (4) | 0.0505 (4) | 0.0310 (3) | 0.0083 (3) | 0.0001 (2) | −0.0049 (2) |
O1 | 0.0973 (15) | 0.0765 (13) | 0.0477 (10) | −0.0415 (11) | −0.0217 (10) | 0.0108 (9) |
O2 | 0.0784 (13) | 0.0717 (12) | 0.0406 (9) | −0.0267 (9) | −0.0110 (8) | 0.0139 (8) |
O3 | 0.0673 (12) | 0.0963 (14) | 0.0427 (9) | 0.0280 (10) | 0.0083 (8) | −0.0136 (9) |
O4 | 0.1019 (15) | 0.0441 (11) | 0.0472 (9) | −0.0130 (9) | −0.0105 (9) | −0.0006 (8) |
N1 | 0.0459 (11) | 0.0638 (13) | 0.0364 (10) | 0.0060 (9) | 0.0022 (8) | 0.0065 (9) |
C1 | 0.0510 (14) | 0.0551 (16) | 0.0358 (12) | −0.0152 (11) | 0.0021 (10) | 0.0050 (11) |
C2 | 0.0390 (12) | 0.0473 (14) | 0.0335 (10) | −0.0092 (10) | 0.0007 (9) | 0.0025 (9) |
C3 | 0.0609 (16) | 0.0422 (14) | 0.0439 (12) | 0.0037 (11) | −0.0079 (11) | 0.0061 (10) |
C4 | 0.0592 (15) | 0.0416 (14) | 0.0416 (12) | 0.0057 (11) | −0.0050 (11) | −0.0024 (10) |
C5 | 0.0429 (13) | 0.0418 (13) | 0.0338 (10) | 0.0015 (10) | 0.0006 (9) | 0.0004 (9) |
C6 | 0.0484 (13) | 0.0421 (13) | 0.0366 (11) | 0.0051 (10) | −0.0015 (10) | 0.0008 (10) |
C7 | 0.0519 (14) | 0.0405 (13) | 0.0375 (11) | 0.0018 (10) | 0.0027 (10) | −0.0035 (9) |
C8 | 0.0590 (15) | 0.0462 (15) | 0.0357 (11) | 0.0009 (11) | −0.0019 (10) | −0.0015 (10) |
C9 | 0.0398 (12) | 0.0422 (13) | 0.0337 (11) | 0.0049 (9) | 0.0048 (9) | −0.0018 (9) |
C10 | 0.0567 (15) | 0.0465 (14) | 0.0408 (12) | 0.0049 (11) | 0.0062 (11) | 0.0099 (11) |
C11 | 0.0517 (14) | 0.0387 (14) | 0.0546 (14) | −0.0024 (10) | 0.0102 (11) | 0.0059 (11) |
C12 | 0.0355 (12) | 0.0427 (13) | 0.0437 (12) | 0.0011 (10) | 0.0083 (9) | −0.0036 (10) |
C13 | 0.0475 (14) | 0.0488 (15) | 0.0576 (15) | −0.0080 (11) | 0.0087 (11) | −0.0147 (12) |
C14 | 0.0552 (16) | 0.0710 (18) | 0.0440 (13) | −0.0046 (13) | 0.0022 (12) | −0.0222 (12) |
C15 | 0.0532 (15) | 0.0743 (19) | 0.0362 (12) | −0.0012 (13) | 0.0079 (11) | −0.0049 (11) |
C16 | 0.0507 (14) | 0.0538 (15) | 0.0349 (11) | −0.0045 (11) | 0.0076 (10) | 0.0005 (10) |
C17 | 0.0366 (12) | 0.0407 (13) | 0.0367 (11) | 0.0007 (9) | 0.0074 (9) | −0.0023 (9) |
C18 | 0.0395 (12) | 0.0412 (13) | 0.0351 (11) | −0.0033 (9) | 0.0049 (9) | −0.0010 (9) |
S1—O3 | 1.4235 (17) | C6—H6B | 0.9700 |
S1—O4 | 1.4267 (17) | C7—H7A | 0.9700 |
S1—N1 | 1.5955 (19) | C7—H7B | 0.9700 |
S1—C9 | 1.767 (2) | C8—H8A | 0.9700 |
O1—C1 | 1.252 (3) | C8—H8B | 0.9700 |
O1—H1 | 0.8200 | C9—C18 | 1.364 (3) |
O2—C1 | 1.267 (3) | C9—C10 | 1.405 (3) |
N1—C8 | 1.461 (3) | C10—C11 | 1.356 (3) |
N1—H1A | 0.8600 | C10—H10 | 0.9300 |
C1—C2 | 1.496 (3) | C11—C12 | 1.411 (3) |
C2—C7 | 1.521 (3) | C11—H11 | 0.9300 |
C2—C3 | 1.524 (3) | C12—C17 | 1.416 (3) |
C2—H2 | 0.9800 | C12—C13 | 1.420 (3) |
C3—C4 | 1.523 (3) | C13—C14 | 1.353 (3) |
C3—H3A | 0.9700 | C13—H13 | 0.9300 |
C3—H3B | 0.9700 | C14—C15 | 1.392 (3) |
C4—C5 | 1.520 (3) | C14—H14 | 0.9300 |
C4—H4A | 0.9700 | C15—C16 | 1.349 (3) |
C4—H4B | 0.9700 | C15—H15 | 0.9300 |
C5—C6 | 1.515 (3) | C16—C17 | 1.410 (3) |
C5—C8 | 1.525 (3) | C16—H16 | 0.9300 |
C5—H5 | 0.9800 | C17—C18 | 1.408 (3) |
C6—C7 | 1.520 (3) | C18—H18 | 0.9300 |
C6—H6A | 0.9700 | ||
O3—S1—O4 | 120.48 (11) | C6—C7—C2 | 111.43 (17) |
O3—S1—N1 | 107.01 (10) | C6—C7—H7A | 109.3 |
O4—S1—N1 | 107.41 (11) | C2—C7—H7A | 109.3 |
O3—S1—C9 | 106.71 (10) | C6—C7—H7B | 109.3 |
O4—S1—C9 | 106.94 (10) | C2—C7—H7B | 109.3 |
N1—S1—C9 | 107.73 (10) | H7A—C7—H7B | 108.0 |
C1—O1—H1 | 109.5 | N1—C8—C5 | 111.32 (18) |
C8—N1—S1 | 125.80 (16) | N1—C8—H8A | 109.4 |
C8—N1—H1A | 117.1 | C5—C8—H8A | 109.4 |
S1—N1—H1A | 117.1 | N1—C8—H8B | 109.4 |
O1—C1—O2 | 122.5 (2) | C5—C8—H8B | 109.4 |
O1—C1—C2 | 119.4 (2) | H8A—C8—H8B | 108.0 |
O2—C1—C2 | 118.1 (2) | C18—C9—C10 | 120.71 (19) |
C1—C2—C7 | 112.50 (18) | C18—C9—S1 | 119.82 (17) |
C1—C2—C3 | 109.38 (18) | C10—C9—S1 | 119.44 (16) |
C7—C2—C3 | 110.55 (16) | C11—C10—C9 | 120.0 (2) |
C1—C2—H2 | 108.1 | C11—C10—H10 | 120.0 |
C7—C2—H2 | 108.1 | C9—C10—H10 | 120.0 |
C3—C2—H2 | 108.1 | C10—C11—C12 | 121.0 (2) |
C4—C3—C2 | 111.94 (18) | C10—C11—H11 | 119.5 |
C4—C3—H3A | 109.2 | C12—C11—H11 | 119.5 |
C2—C3—H3A | 109.2 | C11—C12—C17 | 118.95 (19) |
C4—C3—H3B | 109.2 | C11—C12—C13 | 122.6 (2) |
C2—C3—H3B | 109.2 | C17—C12—C13 | 118.5 (2) |
H3A—C3—H3B | 107.9 | C14—C13—C12 | 120.4 (2) |
C5—C4—C3 | 111.48 (18) | C14—C13—H13 | 119.8 |
C5—C4—H4A | 109.3 | C12—C13—H13 | 119.8 |
C3—C4—H4A | 109.3 | C13—C14—C15 | 120.6 (2) |
C5—C4—H4B | 109.3 | C13—C14—H14 | 119.7 |
C3—C4—H4B | 109.3 | C15—C14—H14 | 119.7 |
H4A—C4—H4B | 108.0 | C16—C15—C14 | 121.0 (2) |
C6—C5—C4 | 109.71 (17) | C16—C15—H15 | 119.5 |
C6—C5—C8 | 111.43 (18) | C14—C15—H15 | 119.5 |
C4—C5—C8 | 111.49 (17) | C15—C16—C17 | 120.5 (2) |
C6—C5—H5 | 108.0 | C15—C16—H16 | 119.8 |
C4—C5—H5 | 108.0 | C17—C16—H16 | 119.8 |
C8—C5—H5 | 108.0 | C18—C17—C16 | 122.1 (2) |
C5—C6—C7 | 111.78 (17) | C18—C17—C12 | 118.91 (18) |
C5—C6—H6A | 109.3 | C16—C17—C12 | 119.00 (19) |
C7—C6—H6A | 109.3 | C9—C18—C17 | 120.5 (2) |
C5—C6—H6B | 109.3 | C9—C18—H18 | 119.8 |
C7—C6—H6B | 109.3 | C17—C18—H18 | 119.8 |
H6A—C6—H6B | 107.9 | ||
O3—S1—N1—C8 | 28.1 (2) | O3—S1—C9—C10 | −55.32 (19) |
O4—S1—N1—C8 | 158.77 (17) | O4—S1—C9—C10 | 174.51 (17) |
C9—S1—N1—C8 | −86.34 (19) | N1—S1—C9—C10 | 59.31 (19) |
O1—C1—C2—C7 | −10.3 (3) | C18—C9—C10—C11 | −0.4 (3) |
O2—C1—C2—C7 | 171.3 (2) | S1—C9—C10—C11 | 177.71 (17) |
O1—C1—C2—C3 | 112.9 (3) | C9—C10—C11—C12 | 0.4 (3) |
O2—C1—C2—C3 | −65.4 (3) | C10—C11—C12—C17 | 0.1 (3) |
C1—C2—C3—C4 | −178.34 (18) | C10—C11—C12—C13 | −179.7 (2) |
C7—C2—C3—C4 | −53.9 (3) | C11—C12—C13—C14 | 180.0 (2) |
C2—C3—C4—C5 | 55.6 (3) | C17—C12—C13—C14 | 0.2 (3) |
C3—C4—C5—C6 | −56.2 (3) | C12—C13—C14—C15 | 0.4 (4) |
C3—C4—C5—C8 | 179.88 (19) | C13—C14—C15—C16 | −0.9 (4) |
C4—C5—C6—C7 | 57.0 (2) | C14—C15—C16—C17 | 0.7 (4) |
C8—C5—C6—C7 | −179.07 (18) | C15—C16—C17—C18 | −179.6 (2) |
C5—C6—C7—C2 | −56.8 (2) | C15—C16—C17—C12 | −0.2 (3) |
C1—C2—C7—C6 | 176.83 (18) | C11—C12—C17—C18 | −0.6 (3) |
C3—C2—C7—C6 | 54.2 (2) | C13—C12—C17—C18 | 179.13 (19) |
S1—N1—C8—C5 | −117.30 (19) | C11—C12—C17—C16 | 179.93 (19) |
C6—C5—C8—N1 | 73.3 (2) | C13—C12—C17—C16 | −0.3 (3) |
C4—C5—C8—N1 | −163.77 (18) | C10—C9—C18—C17 | −0.2 (3) |
O3—S1—C9—C18 | 122.76 (18) | S1—C9—C18—C17 | −178.28 (15) |
O4—S1—C9—C18 | −7.4 (2) | C16—C17—C18—C9 | −179.9 (2) |
N1—S1—C9—C18 | −122.61 (17) | C12—C17—C18—C9 | 0.7 (3) |
Cg1 and Cg2 are the centroids of the C9–C12/C17/C18 and C12–C17 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O2i | 0.82 | 1.83 | 2.623 (2) | 163 |
N1—H1A···O2ii | 0.86 | 2.46 | 3.043 (2) | 124 |
C11—H11···Cg1iii | 0.93 | 2.91 | 3.639 (3) | 137 |
C13—H13···Cg2iii | 0.93 | 2.82 | 3.527 (3) | 134 |
Symmetry codes: (i) −x+1, −y+2, −z+1; (ii) x, −y+3/2, z−1/2; (iii) −x, y−1/2, −z−1/2. |
Cg1 and Cg2 are the centroids of the C9–C12/C17/C18 and C12–C17 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O2i | 0.82 | 1.83 | 2.623 (2) | 163 |
N1—H1A···O2ii | 0.86 | 2.46 | 3.043 (2) | 124 |
C11—H11···Cg1iii | 0.93 | 2.91 | 3.639 (3) | 137 |
C13—H13···Cg2iii | 0.93 | 2.82 | 3.527 (3) | 134 |
Symmetry codes: (i) −x+1, −y+2, −z+1; (ii) x, −y+3/2, z−1/2; (iii) −x, y−1/2, −z−1/2. |
Acknowledgements
The authors acknowledge the provision of funds by the Higher Education Commission, Islamabad, Pakistan for project (P-2549).
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