Literature DB >> 21581261

4-(2-Nitro-benzene-sulfonamido)pyridinium nitrate.

Liang Zhao, Qi-Fei Yu.   

Abstract

There are two mol-ecules in the asymmetric unit of the title compound, C(11)H(10)N(3)O(4)S(+)·NO(3) (-). All bond distances have normal values. The C-N bond distances in the n class="Chemical">sulfonamide group [1.389 (3) and 1.382 (3) Å] may indicate slight conjugation of the sulfonamide N-atom π-electrons with those of the pyridinium ring. The crystal structure is stabilized by N-H⋯O hydrogen bonds.

Entities:  

Year:  2008        PMID: 21581261      PMCID: PMC2959887          DOI: 10.1107/S1600536808035654

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For zwitterionic forms of N–aryl­benzene­sulfonamides, see: Li et al. (2007 ▶); Yu & Li (2007 ▶). Damiano et al. (2007 ▶) describe the use of pyridinium derivatives for the construction of supra­molecular architectures. For bond-length data, see: Allen et al. (1987 ▶).

Experimental

Crystal data

C11H10N3O4S+·NO3 M = 342.30 Orthorhombic, a = 14.716 (3) Å b = 8.6671 (17) Å c = 21.941 (4) Å V = 2798.5 (9) Å3 Z = 8 Mo Kα radiation μ = 0.28 mm−1 T = 113 (2) K 0.20 × 0.16 × 0.02 mm

Data collection

Rigaku Saturn CCD area-detector diffractometer Absorption correction: multi-scan (CrystalClear; Rigaku/MSC, 2005 ▶) T min = 0.943, T max = 0.998 20607 measured reflections 5734 independent reflections 5237 reflections with I > 2σ(I) R int = 0.045

Refinement

R[F 2 > 2σ(F 2)] = 0.040 wR(F 2) = 0.098 S = 1.04 5734 reflections 432 parameters 1 restraint H atoms treated by a mixture of independent and constrained refinement Δρmax = 0.42 e Å−3 Δρmin = −0.33 e Å−3 Absolute structure: Flack (1983 ▶), 2570 Friedel pairs Flack parameter: 0.14 (6) Data collection: CrystalClear (Rigaku/MSC, 2005 ▶); cell refinement: CrystalClear; data reduction: CrystalStructure (Rigaku/MSC, 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. Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536808035654/rk2115sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536808035654/rk2115Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C11H10N3O4S+·NO3F000 = 1408
Mr = 342.30Dx = 1.625 Mg m3
Orthorhombic, Pna21Mo Kα radiation λ = 0.71073 Å
Hall symbol: P 2c -2nCell parameters from 8078 reflections
a = 14.716 (3) Åθ = 3.1–27.1º
b = 8.6671 (17) ŵ = 0.28 mm1
c = 21.941 (4) ÅT = 113 (2) K
V = 2798.5 (9) Å3Block, colourless
Z = 80.20 × 0.16 × 0.02 mm
Rigaku Saturn CCD area-detector diffractometer5734 independent reflections
Radiation source: Rotating anode5237 reflections with I > 2σ(I)
Monochromator: ConfocalRint = 0.046
Detector resolution: 7.31 pixels mm-1θmax = 27.1º
T = 113(2) Kθmin = 3.3º
ω scansh = −18→18
Absorption correction: multi-scan(CrystalClear; Rigaku/MSC, 2005)k = −11→9
Tmin = 0.943, Tmax = 0.998l = −20→28
20607 measured reflections
Refinement on F2Hydrogen site location: inferred from neighbouring sites
Least-squares matrix: FullH atoms treated by a mixture of independent and constrained refinement
R[F2 > 2σ(F2)] = 0.040  w = 1/[σ2(Fo2) + (0.0538P)2 + 0.0901P] where P = (Fo2 + 2Fc2)/3
wR(F2) = 0.098(Δ/σ)max = 0.001
S = 1.04Δρmax = 0.42 e Å3
5734 reflectionsΔρmin = −0.33 e Å3
432 parametersExtinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
1 restraintExtinction coefficient: 0.0054 (7)
Primary atom site location: structure-invariant direct methodsAbsolute structure: Flack (1983), 2570 Friedel pairs
Secondary atom site location: difference Fourier mapFlack parameter: 0.14 (6)
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'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.
xyzUiso*/Ueq
S10.55489 (4)0.54735 (7)0.70897 (3)0.01874 (14)
S20.74559 (4)0.43842 (7)0.42871 (3)0.02018 (14)
O10.63055 (12)0.5867 (2)0.74667 (8)0.0233 (4)
O20.53170 (13)0.3890 (2)0.69999 (8)0.0248 (4)
O30.38958 (15)0.5302 (3)0.62281 (9)0.0384 (5)
O40.4342 (2)0.4321 (4)0.53747 (12)0.0689 (10)
O50.66949 (13)0.3918 (2)0.39273 (8)0.0256 (4)
O60.76670 (13)0.5983 (2)0.43544 (9)0.0270 (4)
O70.91479 (15)0.4690 (3)0.51112 (10)0.0437 (6)
O80.8745 (2)0.5660 (4)0.59706 (13)0.0769 (11)
N10.40728 (15)1.0904 (3)0.75443 (9)0.0202 (4)
N20.46295 (15)0.6264 (2)0.73697 (9)0.0185 (4)
N30.44496 (18)0.5160 (3)0.58163 (11)0.0330 (6)
N40.89765 (15)−0.1009 (3)0.37907 (9)0.0186 (4)
N50.83710 (16)0.3598 (3)0.40056 (9)0.0200 (5)
N60.86294 (19)0.4797 (3)0.55345 (11)0.0361 (6)
C10.44743 (16)0.7834 (3)0.74440 (10)0.0160 (5)
C20.35733 (17)0.8310 (3)0.75337 (10)0.0173 (5)
H20.30960.75760.75600.021*
C30.33974 (17)0.9853 (3)0.75823 (11)0.0191 (5)
H30.27901.01920.76440.023*
C40.49413 (18)1.0467 (3)0.74780 (11)0.0199 (5)
H40.54061.12270.74650.024*
C50.51674 (19)0.8933 (3)0.74283 (11)0.0205 (5)
H50.57840.86260.73840.025*
C60.57669 (18)0.6366 (3)0.63708 (11)0.0206 (5)
C70.65379 (17)0.7288 (3)0.63400 (11)0.0220 (5)
H70.68860.74620.66980.026*
C80.6808 (2)0.7962 (3)0.57937 (12)0.0255 (6)
H80.73310.86020.57810.031*
C90.6311 (2)0.7697 (3)0.52707 (12)0.0279 (6)
H90.64910.81590.48970.033*
C100.5556 (2)0.6764 (4)0.52898 (12)0.0307 (7)
H100.52210.65720.49280.037*
C110.52818 (19)0.6104 (3)0.58340 (12)0.0226 (5)
C120.85468 (17)0.2042 (3)0.39336 (10)0.0180 (5)
C130.94527 (17)0.1584 (3)0.38431 (10)0.0181 (5)
H130.99250.23310.38320.022*
C140.96478 (19)0.0056 (3)0.37715 (11)0.0206 (5)
H141.0258−0.02620.37080.025*
C150.80967 (19)−0.0599 (3)0.38700 (11)0.0214 (5)
H150.7638−0.13700.38750.026*
C160.78660 (18)0.0911 (3)0.39421 (11)0.0190 (5)
H160.72480.11960.39980.023*
C170.72784 (18)0.3544 (3)0.50237 (11)0.0207 (5)
C180.65166 (18)0.2619 (3)0.50870 (11)0.0247 (6)
H180.61410.24270.47430.030*
C190.6294 (2)0.1970 (3)0.56452 (12)0.0283 (6)
H190.57770.13200.56780.034*
C200.6817 (2)0.2263 (4)0.61506 (13)0.0336 (7)
H200.66640.18140.65320.040*
C210.7570 (2)0.3217 (4)0.61016 (13)0.0337 (7)
H210.79260.34430.64520.040*
C220.7801 (2)0.3839 (3)0.55443 (12)0.0275 (6)
O90.71160 (13)0.2133 (2)0.76947 (9)0.0310 (5)
O100.72427 (15)−0.0296 (2)0.74762 (11)0.0348 (5)
O110.84491 (13)0.1111 (2)0.75566 (10)0.0280 (4)
N70.75865 (15)0.0975 (2)0.75795 (10)0.0198 (5)
O120.91094 (12)0.2926 (2)0.88498 (8)0.0256 (4)
O131.04400 (13)0.4007 (2)0.88032 (9)0.0257 (4)
O140.92515 (15)0.5367 (2)0.90341 (10)0.0318 (5)
N80.95891 (15)0.4105 (2)0.89013 (9)0.0193 (4)
H1A0.384 (2)1.207 (4)0.7547 (15)0.044 (9)*
H4A0.9161 (19)−0.199 (4)0.3751 (12)0.017 (7)*
H5A0.890 (2)0.420 (3)0.3983 (12)0.016 (7)*
H2A0.413 (3)0.554 (5)0.7422 (17)0.053 (11)*
U11U22U33U12U13U23
S10.0182 (3)0.0171 (3)0.0209 (3)0.0031 (2)0.0009 (2)0.0013 (2)
S20.0189 (3)0.0176 (3)0.0240 (3)0.0032 (2)0.0005 (2)0.0011 (2)
O10.0181 (10)0.0296 (11)0.0220 (9)0.0047 (8)−0.0031 (7)0.0024 (7)
O20.0272 (11)0.0151 (9)0.0320 (10)0.0040 (8)0.0058 (8)0.0004 (7)
O30.0316 (12)0.0502 (15)0.0333 (11)−0.0108 (11)−0.0023 (9)−0.0030 (9)
O40.070 (2)0.090 (2)0.0469 (15)−0.0440 (18)0.0051 (13)−0.0351 (14)
O50.0189 (10)0.0325 (12)0.0254 (9)0.0035 (8)−0.0028 (7)0.0023 (7)
O60.0298 (11)0.0140 (9)0.0371 (11)0.0046 (7)0.0045 (9)0.0017 (7)
O70.0301 (13)0.0669 (18)0.0341 (12)−0.0137 (11)−0.0006 (9)−0.0057 (10)
O80.070 (2)0.101 (3)0.0595 (18)−0.0401 (19)0.0026 (15)−0.0462 (16)
N10.0251 (12)0.0147 (11)0.0208 (10)0.0011 (9)−0.0024 (9)−0.0011 (8)
N20.0158 (11)0.0135 (11)0.0262 (10)0.0016 (8)0.0016 (8)−0.0003 (8)
N30.0296 (14)0.0409 (16)0.0284 (12)−0.0082 (12)−0.0055 (10)−0.0036 (11)
N40.0179 (11)0.0147 (12)0.0231 (10)0.0026 (9)−0.0016 (8)0.0009 (7)
N50.0192 (12)0.0144 (11)0.0263 (11)0.0003 (9)0.0039 (8)−0.0004 (8)
N60.0300 (15)0.0478 (17)0.0305 (13)−0.0070 (13)−0.0056 (11)−0.0082 (11)
C10.0168 (12)0.0138 (12)0.0175 (11)0.0007 (9)0.0015 (9)0.0000 (8)
C20.0146 (12)0.0166 (12)0.0207 (11)−0.0010 (10)−0.0031 (9)0.0004 (9)
C30.0134 (12)0.0205 (13)0.0233 (12)0.0026 (10)0.0010 (9)−0.0004 (9)
C40.0188 (13)0.0196 (13)0.0215 (11)−0.0007 (10)−0.0011 (10)0.0000 (9)
C50.0193 (14)0.0206 (14)0.0216 (12)0.0004 (10)−0.0001 (10)−0.0018 (9)
C60.0236 (13)0.0184 (13)0.0197 (11)0.0041 (10)−0.0008 (9)0.0007 (9)
C70.0207 (14)0.0209 (14)0.0243 (12)0.0011 (11)−0.0001 (10)−0.0006 (10)
C80.0233 (14)0.0241 (14)0.0290 (13)−0.0010 (11)0.0055 (11)0.0020 (10)
C90.0329 (16)0.0268 (15)0.0239 (12)0.0025 (12)0.0048 (11)0.0027 (10)
C100.0366 (18)0.0333 (17)0.0223 (14)0.0011 (13)−0.0035 (11)−0.0054 (11)
C110.0202 (15)0.0224 (14)0.0252 (12)−0.0001 (11)−0.0015 (10)−0.0053 (9)
C120.0236 (13)0.0152 (12)0.0150 (10)0.0008 (10)−0.0038 (9)0.0017 (8)
C130.0179 (12)0.0184 (13)0.0180 (11)−0.0005 (10)0.0003 (9)0.0004 (9)
C140.0236 (14)0.0196 (13)0.0187 (11)0.0019 (11)−0.0011 (9)−0.0027 (9)
C150.0218 (14)0.0196 (13)0.0229 (12)−0.0038 (10)−0.0004 (10)0.0000 (9)
C160.0159 (12)0.0194 (13)0.0217 (11)−0.0005 (10)−0.0002 (10)0.0001 (9)
C170.0227 (13)0.0173 (13)0.0220 (12)0.0044 (11)0.0008 (9)−0.0030 (9)
C180.0249 (14)0.0207 (14)0.0284 (13)0.0010 (11)0.0029 (11)−0.0039 (10)
C190.0270 (15)0.0246 (15)0.0334 (14)0.0008 (12)0.0072 (11)0.0002 (11)
C200.0361 (18)0.0377 (19)0.0270 (13)0.0117 (14)0.0054 (12)0.0057 (11)
C210.0359 (18)0.0425 (19)0.0228 (13)0.0043 (14)−0.0046 (11)−0.0037 (11)
C220.0276 (17)0.0276 (15)0.0273 (13)−0.0009 (12)0.0002 (11)−0.0040 (10)
O90.0206 (10)0.0199 (11)0.0526 (12)0.0062 (8)0.0013 (9)−0.0032 (8)
O100.0240 (11)0.0164 (10)0.0641 (14)−0.0049 (8)−0.0049 (10)−0.0047 (9)
O110.0155 (10)0.0191 (10)0.0495 (12)−0.0017 (8)0.0039 (8)−0.0025 (8)
N70.0179 (12)0.0159 (11)0.0255 (11)−0.0003 (9)−0.0007 (8)−0.0014 (8)
O120.0231 (10)0.0196 (10)0.0341 (10)−0.0052 (8)−0.0010 (8)0.0019 (7)
O130.0191 (10)0.0188 (10)0.0392 (11)0.0021 (7)0.0008 (8)−0.0024 (8)
O140.0245 (10)0.0203 (11)0.0505 (13)0.0047 (8)0.0014 (9)−0.0046 (8)
N80.0191 (11)0.0188 (11)0.0200 (10)0.0003 (9)−0.0028 (8)0.0021 (8)
S1—O21.4281 (19)C6—C111.396 (4)
S1—O11.4284 (19)C7—C81.391 (4)
S1—N21.636 (2)C7—H70.9500
S1—C61.786 (2)C8—C91.379 (4)
S2—O61.4275 (19)C8—H80.9500
S2—O51.429 (2)C9—C101.375 (4)
S2—N51.631 (2)C9—H90.9500
S2—C171.792 (3)C10—C111.385 (4)
O3—N31.223 (3)C10—H100.9500
O4—N31.222 (3)C12—C161.402 (4)
O7—N61.206 (3)C12—C131.405 (4)
O8—N61.226 (4)C13—C141.365 (4)
N1—C41.341 (3)C13—H130.9500
N1—C31.351 (3)C14—H140.9500
N1—H1A1.06 (4)C15—C161.361 (4)
N2—C11.389 (3)C15—H150.9500
N2—H2A0.97 (4)C16—H160.9500
N3—C111.473 (4)C17—C181.385 (4)
N4—C141.352 (4)C17—C221.400 (4)
N4—C151.354 (3)C18—C191.387 (4)
N4—H4A0.90 (3)C18—H180.9500
N5—C121.382 (3)C19—C201.374 (4)
N5—H5A0.94 (3)C19—H190.9500
N6—C221.476 (4)C20—C211.387 (4)
C1—C51.396 (3)C20—H200.9500
C1—C21.403 (3)C21—C221.379 (4)
C2—C31.366 (4)C21—H210.9500
C2—H20.9500O9—N71.245 (3)
C3—H30.9500O10—N71.233 (3)
C4—C51.375 (3)O11—N71.276 (3)
C4—H40.9500O12—N81.248 (3)
C5—H50.9500O13—N81.273 (3)
C6—C71.390 (4)O14—N81.236 (3)
O2—S1—O1119.72 (12)C9—C8—C7119.7 (3)
O2—S1—N2104.89 (12)C9—C8—H8120.1
O1—S1—N2109.10 (11)C7—C8—H8120.1
O2—S1—C6109.71 (12)C10—C9—C8120.0 (2)
O1—S1—C6105.54 (12)C10—C9—H9120.0
N2—S1—C6107.38 (12)C8—C9—H9120.0
O6—S2—O5120.17 (12)C9—C10—C11120.4 (3)
O6—S2—N5105.37 (12)C9—C10—H10119.8
O5—S2—N5108.65 (12)C11—C10—H10119.8
O6—S2—C17109.44 (12)C10—C11—C6120.7 (3)
O5—S2—C17105.61 (12)C10—C11—N3116.7 (2)
N5—S2—C17106.99 (12)C6—C11—N3122.5 (2)
C4—N1—C3121.1 (2)N5—C12—C16123.2 (2)
C4—N1—H1A125.2 (19)N5—C12—C13118.0 (2)
C3—N1—H1A113.6 (19)C16—C12—C13118.8 (2)
C1—N2—S1126.18 (18)C14—C13—C12119.4 (2)
C1—N2—H2A120 (2)C14—C13—H13120.3
S1—N2—H2A113 (2)C12—C13—H13120.3
O4—N3—O3124.0 (3)N4—C14—C13120.3 (2)
O4—N3—C11117.3 (3)N4—C14—H14119.8
O3—N3—C11118.6 (2)C13—C14—H14119.8
C14—N4—C15121.6 (2)N4—C15—C16120.4 (2)
C14—N4—H4A115.1 (18)N4—C15—H15119.8
C15—N4—H4A123.4 (18)C16—C15—H15119.8
C12—N5—S2127.28 (19)C15—C16—C12119.5 (2)
C12—N5—H5A112.8 (17)C15—C16—H16120.2
S2—N5—H5A117.9 (17)C12—C16—H16120.2
O7—N6—O8124.1 (3)C18—C17—C22117.9 (2)
O7—N6—C22119.4 (2)C18—C17—S2116.33 (18)
O8—N6—C22116.5 (3)C22—C17—S2125.6 (2)
N2—C1—C5123.0 (2)C17—C18—C19121.0 (2)
N2—C1—C2117.4 (2)C17—C18—H18119.5
C5—C1—C2119.6 (2)C19—C18—H18119.5
C3—C2—C1118.6 (2)C20—C19—C18120.4 (3)
C3—C2—H2120.7C20—C19—H19119.8
C1—C2—H2120.7C18—C19—H19119.8
N1—C3—C2121.1 (2)C19—C20—C21119.7 (3)
N1—C3—H3119.5C19—C20—H20120.2
C2—C3—H3119.5C21—C20—H20120.2
N1—C4—C5120.8 (2)C22—C21—C20119.9 (3)
N1—C4—H4119.6C22—C21—H21120.0
C5—C4—H4119.6C20—C21—H21120.0
C4—C5—C1118.7 (2)C21—C22—C17121.1 (3)
C4—C5—H5120.6C21—C22—N6115.9 (3)
C1—C5—H5120.6C17—C22—N6123.0 (2)
C7—C6—C11118.0 (2)O10—N7—O9121.9 (2)
C7—C6—S1116.03 (18)O10—N7—O11118.9 (2)
C11—C6—S1125.7 (2)O9—N7—O11119.1 (2)
C6—C7—C8121.1 (2)O14—N8—O12121.3 (2)
C6—C7—H7119.5O14—N8—O13119.6 (2)
C8—C7—H7119.5O12—N8—O13119.1 (2)
O2—S1—N2—C1−169.3 (2)O3—N3—C11—C10−137.1 (3)
O1—S1—N2—C161.3 (2)O4—N3—C11—C6−141.4 (3)
C6—S1—N2—C1−52.7 (2)O3—N3—C11—C641.3 (4)
O6—S2—N5—C12170.8 (2)S2—N5—C12—C1617.8 (3)
O5—S2—N5—C12−59.2 (2)S2—N5—C12—C13−162.69 (19)
C17—S2—N5—C1254.4 (2)N5—C12—C13—C14179.9 (2)
S1—N2—C1—C5−16.3 (3)C16—C12—C13—C14−0.6 (3)
S1—N2—C1—C2163.17 (18)C15—N4—C14—C131.2 (3)
N2—C1—C2—C3−177.3 (2)C12—C13—C14—N4−0.4 (3)
C5—C1—C2—C32.2 (3)C14—N4—C15—C16−1.0 (4)
C4—N1—C3—C2−2.3 (4)N4—C15—C16—C120.0 (3)
C1—C2—C3—N10.1 (3)N5—C12—C16—C15−179.8 (2)
C3—N1—C4—C52.0 (4)C13—C12—C16—C150.8 (3)
N1—C4—C5—C10.4 (3)O6—S2—C17—C18133.3 (2)
N2—C1—C5—C4177.0 (2)O5—S2—C17—C182.6 (2)
C2—C1—C5—C4−2.5 (3)N5—S2—C17—C18−113.0 (2)
O2—S1—C6—C7−134.5 (2)O6—S2—C17—C22−41.5 (3)
O1—S1—C6—C7−4.3 (2)O5—S2—C17—C22−172.2 (2)
N2—S1—C6—C7112.0 (2)N5—S2—C17—C2272.2 (3)
O2—S1—C6—C1139.3 (3)C22—C17—C18—C19−1.8 (4)
O1—S1—C6—C11169.6 (2)S2—C17—C18—C19−177.1 (2)
N2—S1—C6—C11−74.1 (3)C17—C18—C19—C201.5 (4)
C11—C6—C7—C81.5 (4)C18—C19—C20—C210.2 (4)
S1—C6—C7—C8175.8 (2)C19—C20—C21—C22−1.5 (5)
C6—C7—C8—C9−0.9 (4)C20—C21—C22—C171.0 (5)
C7—C8—C9—C10−0.3 (4)C20—C21—C22—N6−178.1 (3)
C8—C9—C10—C110.9 (4)C18—C17—C22—C210.6 (4)
C9—C10—C11—C6−0.3 (4)S2—C17—C22—C21175.3 (2)
C9—C10—C11—N3178.1 (3)C18—C17—C22—N6179.6 (3)
C7—C6—C11—C10−0.9 (4)S2—C17—C22—N6−5.6 (4)
S1—C6—C11—C10−174.7 (2)O7—N6—C22—C21139.4 (3)
C7—C6—C11—N3−179.2 (3)O8—N6—C22—C21−40.2 (4)
S1—C6—C11—N37.0 (4)O7—N6—C22—C17−39.7 (4)
O4—N3—C11—C1040.2 (4)O8—N6—C22—C17140.7 (3)
D—H···AD—HH···AD···AD—H···A
N1—H1A···O11i1.06 (4)1.68 (4)2.745 (3)179 (3)
N1—H1A···O9i1.06 (4)2.65 (3)3.361 (3)124 (2)
N4—H4A···O13ii0.90 (3)1.85 (3)2.737 (3)171 (2)
N4—H4A···O12ii0.90 (3)2.68 (3)3.273 (3)124 (2)
N5—H5A···O13iii0.94 (3)1.87 (3)2.751 (3)155 (2)
N2—H2A···O11iv0.97 (4)1.78 (4)2.725 (3)166 (4)
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N1—H1A⋯O11i1.06 (4)1.68 (4)2.745 (3)179 (3)
N1—H1A⋯O9i1.06 (4)2.65 (3)3.361 (3)124 (2)
N4—H4A⋯O13ii0.90 (3)1.85 (3)2.737 (3)171 (2)
N4—H4A⋯O12ii0.90 (3)2.68 (3)3.273 (3)124 (2)
N5—H5A⋯O13iii0.94 (3)1.87 (3)2.751 (3)155 (2)
N2—H2A⋯O11iv0.97 (4)1.78 (4)2.725 (3)166 (4)

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .

  2 in total

1.  Photochemical transformations of pyridinium salts: mechanistic studies and applications in synthesis.

Authors:  Teresa Damiano; Daniel Morton; Adam Nelson
Journal:  Org Biomol Chem       Date:  2007-06-29       Impact factor: 3.876

2.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

  2 in total

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