organic compounds
4-[(Adamantan-1-yl)carbamoyl]pyridinium chloride
aCollege of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, People's Republic of China
*Correspondence e-mail: wangyc33@yahoo.com.cn
In the title salt, C16H21N2O+·Cl−, the amide group makes a dihedral angle of 24.98 (2)° with respect to the pyridinium ring. In the crystal, both the amide and pyridinium N atoms are involved in N—H⋯Cl hydrogen bonding. Weak intermolecular C—H⋯Cl and C—H⋯O interactions also occur.
Related literature
For the structures and properties of related compounds, see: Fu et al. (2011a,b,c); Dai & Chen (2011); Xu et al. (2011); Zheng (2011).
Experimental
Crystal data
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Refinement
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Data collection: CrystalClear (Rigaku, 2005); cell CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536812022866/xu5543sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812022866/xu5543Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812022866/xu5543Isup3.cml
Isonicotinic acid 5 g was added in thionyl chloride (50 ml), and the mixture reacted at 353 K for 5 h. Then the solvate was removed under reduced pressure, the isonicotinoyl chloride was obtained. The 1-aminodiamantane hydrochloride (10 mmol) and triethylamine 2.02 g (20 mmol) dissolved in chloroform (40 ml) at 273 K, then the isonicotinoyl chloride 1.51 g (10 mmol) was added. Then the reactant mixture was stired for 7 h at room temperature and some flaxen solid appeared. After filtering the mixture, the solid was dissolved in water and was neutralized with sodium carbonate, The mixed solution was extracted by dichloromethane. The N-(1-adamantyl)isonicotinamide was obtained when the dichloromethane was evaporated under reduced pressure. A mixture of N(1-adamantyl)isonicotinamide 2.56 g (10 mmol), HCl (2.0 mL, 6 mol/L), and 20 mL ethanol were added into a 50ml flask and refluxed for 5 hours, then cooled and filtrated. The solution was evaporated slowly in the air. Colorless block crystals suitable for X-ray analysis were obtained after one week.
All H atoms attached to C atoms were fixed geometrically and treated as riding with C-H = 0.95 Å (aromatic), C-H = 0.99 Å (methylene) and C-H = 1.00 Å (methine) with Uiso(H) = 1.2Ueq(C). H atoms bonded to N atoms were located in difference Fourier maps and restrained with the H—N = 0.86 (2)Å. In the last stage of
they were treated as riding on the N atoms with Uiso(H) = 1.2Ueq(N).Data collection: CrystalClear (Rigaku, 2005); cell
CrystalClear (Rigaku, 2005); data reduction: CrystalClear (Rigaku, 2005); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C16H21N2O+·Cl− | F(000) = 624 |
Mr = 292.80 | Dx = 1.362 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 3278 reflections |
a = 7.072 (4) Å | θ = 1.8–27.5° |
b = 22.691 (13) Å | µ = 0.27 mm−1 |
c = 8.905 (6) Å | T = 93 K |
β = 91.703 (7)° | Block, colourless |
V = 1428.3 (15) Å3 | 0.10 × 0.03 × 0.03 mm |
Z = 4 |
Rigaku Mercury2 diffractometer | 3278 independent reflections |
Radiation source: fine-focus sealed tube | 2863 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.041 |
Detector resolution: 13.6612 pixels mm-1 | θmax = 27.5°, θmin = 1.8° |
CCD profile fitting scans | h = −9→9 |
Absorption correction: multi-scan (CrystalClear; Rigaku, 2005) | k = −29→29 |
Tmin = 0.910, Tmax = 1.000 | l = −11→11 |
13912 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)] = 0.044 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.157 | H-atom parameters constrained |
S = 1.19 | w = 1/[σ2(Fo2) + (0.0868P)2 + 0.3419P] where P = (Fo2 + 2Fc2)/3 |
3278 reflections | (Δ/σ)max < 0.001 |
181 parameters | Δρmax = 0.54 e Å−3 |
0 restraints | Δρmin = −0.43 e Å−3 |
C16H21N2O+·Cl− | V = 1428.3 (15) Å3 |
Mr = 292.80 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 7.072 (4) Å | µ = 0.27 mm−1 |
b = 22.691 (13) Å | T = 93 K |
c = 8.905 (6) Å | 0.10 × 0.03 × 0.03 mm |
β = 91.703 (7)° |
Rigaku Mercury2 diffractometer | 3278 independent reflections |
Absorption correction: multi-scan (CrystalClear; Rigaku, 2005) | 2863 reflections with I > 2σ(I) |
Tmin = 0.910, Tmax = 1.000 | Rint = 0.041 |
13912 measured reflections |
R[F2 > 2σ(F2)] = 0.044 | 0 restraints |
wR(F2) = 0.157 | H-atom parameters constrained |
S = 1.19 | Δρmax = 0.54 e Å−3 |
3278 reflections | Δρmin = −0.43 e Å−3 |
181 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
N2 | 0.4961 (2) | 0.11853 (7) | 0.77561 (19) | 0.0136 (4) | |
H2A | 0.6014 | 0.1044 | 0.7457 | 0.016* | |
O1 | 0.3053 (2) | 0.12500 (7) | 0.97887 (17) | 0.0195 (4) | |
N1 | 0.8767 (2) | 0.03797 (7) | 1.21603 (19) | 0.0150 (4) | |
H1A | 0.9604 | 0.0230 | 1.2768 | 0.018* | |
C4 | 0.8026 (3) | 0.08813 (9) | 0.9896 (2) | 0.0157 (4) | |
H4A | 0.8425 | 0.1069 | 0.9006 | 0.019* | |
C8 | 0.4853 (3) | 0.15358 (9) | 0.5188 (2) | 0.0154 (4) | |
H8A | 0.5154 | 0.1135 | 0.4830 | 0.018* | |
H8B | 0.6058 | 0.1748 | 0.5389 | 0.018* | |
C12 | 0.3246 (3) | 0.24905 (9) | 0.4539 (2) | 0.0169 (4) | |
H12A | 0.4446 | 0.2706 | 0.4735 | 0.020* | |
H12B | 0.2500 | 0.2709 | 0.3762 | 0.020* | |
C6 | 0.4548 (3) | 0.11078 (9) | 0.9207 (2) | 0.0143 (4) | |
C7 | 0.3740 (3) | 0.14958 (8) | 0.6638 (2) | 0.0123 (4) | |
C3 | 0.6104 (3) | 0.08371 (8) | 1.0195 (2) | 0.0127 (4) | |
C2 | 0.5567 (3) | 0.05623 (9) | 1.1516 (2) | 0.0153 (4) | |
H2B | 0.4267 | 0.0531 | 1.1743 | 0.018* | |
C9 | 0.3315 (3) | 0.21225 (8) | 0.7186 (2) | 0.0146 (4) | |
H9A | 0.2611 | 0.2103 | 0.8129 | 0.018* | |
H9B | 0.4515 | 0.2336 | 0.7395 | 0.018* | |
C13 | 0.2134 (3) | 0.24535 (8) | 0.5982 (2) | 0.0151 (4) | |
H13A | 0.1859 | 0.2861 | 0.6346 | 0.018* | |
C5 | 0.9336 (3) | 0.06493 (9) | 1.0909 (2) | 0.0169 (4) | |
H5A | 1.0648 | 0.0680 | 1.0722 | 0.020* | |
C10 | 0.1881 (3) | 0.11626 (8) | 0.6305 (2) | 0.0143 (4) | |
H10A | 0.1160 | 0.1126 | 0.7237 | 0.017* | |
H10B | 0.2160 | 0.0761 | 0.5938 | 0.017* | |
C16 | 0.1811 (3) | 0.15352 (9) | 0.3664 (2) | 0.0161 (4) | |
H16A | 0.2081 | 0.1133 | 0.3296 | 0.019* | |
H16B | 0.1052 | 0.1744 | 0.2877 | 0.019* | |
C15 | 0.0694 (3) | 0.14989 (9) | 0.5109 (2) | 0.0146 (4) | |
H15A | −0.0520 | 0.1284 | 0.4902 | 0.017* | |
C1 | 0.6932 (3) | 0.03367 (9) | 1.2493 (2) | 0.0165 (4) | |
H1B | 0.6576 | 0.0151 | 1.3398 | 0.020* | |
C14 | 0.0263 (3) | 0.21217 (9) | 0.5695 (2) | 0.0157 (4) | |
H14A | −0.0534 | 0.2337 | 0.4946 | 0.019* | |
H14B | −0.0438 | 0.2095 | 0.6639 | 0.019* | |
C11 | 0.3670 (3) | 0.18655 (9) | 0.3972 (2) | 0.0163 (4) | |
H11A | 0.4396 | 0.1890 | 0.3028 | 0.020* | |
Cl1 | 0.77720 (7) | 0.01868 (2) | 0.63897 (5) | 0.01459 (17) |
U11 | U22 | U33 | U12 | U13 | U23 | |
N2 | 0.0114 (8) | 0.0184 (8) | 0.0110 (8) | 0.0036 (6) | 0.0002 (7) | 0.0022 (6) |
O1 | 0.0137 (8) | 0.0295 (8) | 0.0154 (8) | 0.0054 (6) | 0.0025 (6) | 0.0056 (6) |
N1 | 0.0154 (9) | 0.0175 (8) | 0.0120 (8) | 0.0031 (6) | −0.0045 (7) | 0.0002 (6) |
C4 | 0.0164 (11) | 0.0172 (10) | 0.0135 (10) | −0.0002 (7) | 0.0005 (8) | 0.0011 (7) |
C8 | 0.0145 (10) | 0.0183 (10) | 0.0134 (10) | 0.0036 (7) | 0.0008 (8) | 0.0020 (7) |
C12 | 0.0178 (11) | 0.0159 (10) | 0.0167 (10) | 0.0001 (7) | −0.0017 (8) | 0.0032 (7) |
C6 | 0.0126 (10) | 0.0156 (10) | 0.0146 (10) | 0.0001 (7) | −0.0017 (8) | 0.0015 (7) |
C7 | 0.0109 (9) | 0.0141 (9) | 0.0117 (9) | 0.0010 (7) | −0.0020 (7) | 0.0007 (7) |
C3 | 0.0134 (10) | 0.0133 (9) | 0.0114 (9) | 0.0009 (7) | −0.0013 (8) | −0.0009 (7) |
C2 | 0.0137 (10) | 0.0173 (9) | 0.0149 (10) | 0.0018 (7) | 0.0004 (8) | 0.0019 (8) |
C9 | 0.0161 (10) | 0.0145 (10) | 0.0130 (10) | 0.0011 (7) | −0.0015 (8) | −0.0002 (7) |
C13 | 0.0175 (10) | 0.0119 (9) | 0.0158 (10) | 0.0018 (7) | 0.0000 (8) | 0.0001 (7) |
C5 | 0.0136 (10) | 0.0183 (10) | 0.0186 (11) | −0.0007 (7) | −0.0024 (8) | −0.0018 (7) |
C10 | 0.0150 (10) | 0.0138 (9) | 0.0141 (10) | −0.0011 (7) | −0.0015 (8) | 0.0030 (7) |
C16 | 0.0179 (10) | 0.0177 (10) | 0.0124 (10) | 0.0029 (8) | −0.0036 (8) | 0.0008 (7) |
C15 | 0.0129 (10) | 0.0163 (10) | 0.0142 (10) | −0.0014 (7) | −0.0034 (8) | 0.0000 (7) |
C1 | 0.0196 (11) | 0.0163 (10) | 0.0138 (10) | 0.0020 (8) | 0.0014 (8) | 0.0003 (8) |
C14 | 0.0140 (10) | 0.0183 (10) | 0.0148 (10) | 0.0040 (7) | 0.0004 (8) | 0.0038 (7) |
C11 | 0.0163 (10) | 0.0193 (10) | 0.0133 (10) | 0.0023 (8) | 0.0014 (8) | 0.0027 (7) |
Cl1 | 0.0136 (3) | 0.0161 (3) | 0.0139 (3) | 0.00244 (16) | −0.00125 (19) | 0.00123 (16) |
N2—C6 | 1.345 (3) | C2—C1 | 1.378 (3) |
N2—C7 | 1.478 (2) | C2—H2B | 0.9500 |
N2—H2A | 0.8600 | C9—C13 | 1.536 (3) |
O1—C6 | 1.234 (3) | C9—H9A | 0.9900 |
N1—C1 | 1.343 (3) | C9—H9B | 0.9900 |
N1—C5 | 1.343 (3) | C13—C14 | 1.537 (3) |
N1—H1A | 0.8600 | C13—H13A | 1.0000 |
C4—C5 | 1.378 (3) | C5—H5A | 0.9500 |
C4—C3 | 1.396 (3) | C10—C15 | 1.539 (3) |
C4—H4A | 0.9500 | C10—H10A | 0.9900 |
C8—C7 | 1.534 (3) | C10—H10B | 0.9900 |
C8—C11 | 1.542 (3) | C16—C11 | 1.531 (3) |
C8—H8A | 0.9900 | C16—C15 | 1.532 (3) |
C8—H8B | 0.9900 | C16—H16A | 0.9900 |
C12—C13 | 1.529 (3) | C16—H16B | 0.9900 |
C12—C11 | 1.538 (3) | C15—C14 | 1.540 (3) |
C12—H12A | 0.9900 | C15—H15A | 1.0000 |
C12—H12B | 0.9900 | C1—H1B | 0.9500 |
C6—C3 | 1.518 (3) | C14—H14A | 0.9900 |
C7—C9 | 1.536 (3) | C14—H14B | 0.9900 |
C7—C10 | 1.538 (3) | C11—H11A | 1.0000 |
C3—C2 | 1.394 (3) | ||
C6—N2—C7 | 124.78 (17) | C12—C13—C9 | 109.36 (17) |
C6—N2—H2A | 117.6 | C12—C13—C14 | 110.43 (17) |
C7—N2—H2A | 117.6 | C9—C13—C14 | 108.90 (16) |
C1—N1—C5 | 122.08 (18) | C12—C13—H13A | 109.4 |
C1—N1—H1A | 118.9 | C9—C13—H13A | 109.4 |
C5—N1—H1A | 119.0 | C14—C13—H13A | 109.4 |
C5—C4—C3 | 119.15 (19) | N1—C5—C4 | 120.3 (2) |
C5—C4—H4A | 120.4 | N1—C5—H5A | 119.8 |
C3—C4—H4A | 120.4 | C4—C5—H5A | 119.8 |
C7—C8—C11 | 109.77 (17) | C7—C10—C15 | 109.57 (16) |
C7—C8—H8A | 109.7 | C7—C10—H10A | 109.8 |
C11—C8—H8A | 109.7 | C15—C10—H10A | 109.8 |
C7—C8—H8B | 109.7 | C7—C10—H10B | 109.8 |
C11—C8—H8B | 109.7 | C15—C10—H10B | 109.8 |
H8A—C8—H8B | 108.2 | H10A—C10—H10B | 108.2 |
C13—C12—C11 | 109.58 (16) | C11—C16—C15 | 109.68 (16) |
C13—C12—H12A | 109.8 | C11—C16—H16A | 109.7 |
C11—C12—H12A | 109.8 | C15—C16—H16A | 109.7 |
C13—C12—H12B | 109.8 | C11—C16—H16B | 109.7 |
C11—C12—H12B | 109.8 | C15—C16—H16B | 109.7 |
H12A—C12—H12B | 108.2 | H16A—C16—H16B | 108.2 |
O1—C6—N2 | 125.65 (19) | C16—C15—C10 | 108.92 (17) |
O1—C6—C3 | 118.52 (18) | C16—C15—C14 | 110.33 (16) |
N2—C6—C3 | 115.80 (18) | C10—C15—C14 | 109.25 (16) |
N2—C7—C8 | 106.92 (16) | C16—C15—H15A | 109.4 |
N2—C7—C9 | 110.06 (16) | C10—C15—H15A | 109.4 |
C8—C7—C9 | 108.83 (16) | C14—C15—H15A | 109.4 |
N2—C7—C10 | 112.01 (16) | N1—C1—C2 | 119.81 (19) |
C8—C7—C10 | 108.93 (17) | N1—C1—H1B | 120.1 |
C9—C7—C10 | 110.00 (16) | C2—C1—H1B | 120.1 |
C2—C3—C4 | 118.94 (18) | C13—C14—C15 | 109.11 (16) |
C2—C3—C6 | 117.35 (18) | C13—C14—H14A | 109.9 |
C4—C3—C6 | 123.59 (18) | C15—C14—H14A | 109.9 |
C1—C2—C3 | 119.7 (2) | C13—C14—H14B | 109.9 |
C1—C2—H2B | 120.2 | C15—C14—H14B | 109.9 |
C3—C2—H2B | 120.2 | H14A—C14—H14B | 108.3 |
C13—C9—C7 | 109.76 (16) | C16—C11—C12 | 109.60 (17) |
C13—C9—H9A | 109.7 | C16—C11—C8 | 109.48 (17) |
C7—C9—H9A | 109.7 | C12—C11—C8 | 108.91 (17) |
C13—C9—H9B | 109.7 | C16—C11—H11A | 109.6 |
C7—C9—H9B | 109.7 | C12—C11—H11A | 109.6 |
H9A—C9—H9B | 108.2 | C8—C11—H11A | 109.6 |
C7—N2—C6—O1 | 4.8 (3) | C7—C9—C13—C14 | 60.4 (2) |
C7—N2—C6—C3 | −173.33 (16) | C1—N1—C5—C4 | −1.6 (3) |
C6—N2—C7—C8 | 174.15 (18) | C3—C4—C5—N1 | 0.6 (3) |
C6—N2—C7—C9 | 56.1 (2) | N2—C7—C10—C15 | −178.66 (16) |
C6—N2—C7—C10 | −66.6 (2) | C8—C7—C10—C15 | −60.6 (2) |
C11—C8—C7—N2 | −179.08 (15) | C9—C7—C10—C15 | 58.6 (2) |
C11—C8—C7—C9 | −60.2 (2) | C11—C16—C15—C10 | −60.5 (2) |
C11—C8—C7—C10 | 59.7 (2) | C11—C16—C15—C14 | 59.4 (2) |
C5—C4—C3—C2 | 0.4 (3) | C7—C10—C15—C16 | 61.0 (2) |
C5—C4—C3—C6 | 176.27 (18) | C7—C10—C15—C14 | −59.6 (2) |
O1—C6—C3—C2 | 23.6 (3) | C5—N1—C1—C2 | 1.5 (3) |
N2—C6—C3—C2 | −158.06 (18) | C3—C2—C1—N1 | −0.4 (3) |
O1—C6—C3—C4 | −152.3 (2) | C12—C13—C14—C15 | 58.6 (2) |
N2—C6—C3—C4 | 26.0 (3) | C9—C13—C14—C15 | −61.5 (2) |
C4—C3—C2—C1 | −0.5 (3) | C16—C15—C14—C13 | −58.5 (2) |
C6—C3—C2—C1 | −176.61 (18) | C10—C15—C14—C13 | 61.2 (2) |
N2—C7—C9—C13 | 176.98 (16) | C15—C16—C11—C12 | −59.6 (2) |
C8—C7—C9—C13 | 60.1 (2) | C15—C16—C11—C8 | 59.8 (2) |
C10—C7—C9—C13 | −59.1 (2) | C13—C12—C11—C16 | 59.6 (2) |
C11—C12—C13—C9 | 60.3 (2) | C13—C12—C11—C8 | −60.1 (2) |
C11—C12—C13—C14 | −59.5 (2) | C7—C8—C11—C16 | −59.5 (2) |
C7—C9—C13—C12 | −60.4 (2) | C7—C8—C11—C12 | 60.3 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···Cl1i | 0.86 | 2.19 | 3.020 (2) | 161 |
N2—H2A···Cl1 | 0.86 | 2.51 | 3.272 (2) | 148 |
C1—H1B···Cl1ii | 0.95 | 2.77 | 3.520 (3) | 136 |
C2—H2B···Cl1iii | 0.95 | 2.76 | 3.494 (3) | 134 |
C5—H5A···O1iv | 0.95 | 2.31 | 3.149 (3) | 147 |
Symmetry codes: (i) −x+2, −y, −z+2; (ii) x, y, z+1; (iii) −x+1, −y, −z+2; (iv) x+1, y, z. |
Experimental details
Crystal data | |
Chemical formula | C16H21N2O+·Cl− |
Mr | 292.80 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 93 |
a, b, c (Å) | 7.072 (4), 22.691 (13), 8.905 (6) |
β (°) | 91.703 (7) |
V (Å3) | 1428.3 (15) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.27 |
Crystal size (mm) | 0.10 × 0.03 × 0.03 |
Data collection | |
Diffractometer | Rigaku Mercury2 diffractometer |
Absorption correction | Multi-scan (CrystalClear; Rigaku, 2005) |
Tmin, Tmax | 0.910, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 13912, 3278, 2863 |
Rint | 0.041 |
(sin θ/λ)max (Å−1) | 0.650 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.044, 0.157, 1.19 |
No. of reflections | 3278 |
No. of parameters | 181 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.54, −0.43 |
Computer programs: CrystalClear (Rigaku, 2005), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···Cl1i | 0.86 | 2.19 | 3.020 (2) | 160.8 |
N2—H2A···Cl1 | 0.86 | 2.51 | 3.272 (2) | 148.1 |
C1—H1B···Cl1ii | 0.95 | 2.77 | 3.520 (3) | 136 |
C2—H2B···Cl1iii | 0.95 | 2.76 | 3.494 (3) | 134 |
C5—H5A···O1iv | 0.95 | 2.31 | 3.149 (3) | 147 |
Symmetry codes: (i) −x+2, −y, −z+2; (ii) x, y, z+1; (iii) −x+1, −y, −z+2; (iv) x+1, y, z. |
Acknowledgements
This work was supported by the Doctoral Foundation of Southeast University, China.
References
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Organic amino compounds attracted more attention as phase transition dielectric materials for its application in memory storage (Fu et al., 2011a, b and c). With the purpose of obtaining phase transition crystals of amino compounds, various amines have been studied and we have elaborated a series of new materials with this organic molecules (Dai & Chen 2011; Xu, et al. 2011; Zheng 2011). In this study, we describe the crystal structure of the title compound, 4-[(adamantyl)carbamoyl]pyridinium chloride.
The asymmetric unit is composed of one 4-[(adamantyl)carbamoyl]pyridinium cation and one chloride anion. The pyridine N atom was protonated, and the amide group makes a dihedral angle of 24.98 (2)° with respect to the pyridinium ring (Fig.1). The torsion angles of C2—C3—C6—O1 and C2—C3—C6—N2 are 23.6 (3)° and -158.1 (4)°, C4—C3—C6—O1 and C4—C3—C6—N2 are -152.3 (2)° and 26.0 (3)°. Intermolecular N—H···Cl bonds and weak C—H···Cl and C—H···O contacts link ions into a network parallel to (0 1 0) plane (Table 1 and Fig 2).