An orthorhombic polymorph of 10,11-dihydrocarbamazepine
Harrison, William T. A.; Yathirajan, H. S.; Anilkumar, H. G.; Acta Crystallographica Section C 62 (2006) o240–o242; doi:10.1107/S0108270106008651

data_2015296
_publ_section_title
;
 An orthorhombic polymorph of 10,11-dihydrocarbamazepine
;
_journal_coeditor_code           FG3005
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o240
_journal_page_last               o242
_journal_paper_doi               10.1107/S0108270106008651
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C15 H14 N2 O'
_chemical_formula_moiety         'C15 H14 N2 O'
_chemical_formula_sum            'C15 H14 N2 O'
_chemical_formula_weight         238.28
_chemical_name_common
;
10,11-dihydrocarbamazepine
;
_chemical_name_systematic
;
10,11-dihydro-5H-dibenz[b,f]azepine-5-carboxamide
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   'difmap (N-H) and geom (C-H)'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.0592(4)
_cell_length_b                   10.3156(5)
_cell_length_c                   25.0534(12)
_cell_measurement_reflns_used    3022
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     2341.27(19)
_computing_cell_refinement       'HKL SCALEPACK (Otwinowski & Minor 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction
;
HKL DENZO (Otwinowski & Minor 1997), SCALEPACK and SORTAV
(Blessing 1995)
;
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0423
_diffrn_reflns_av_sigmaI/netI    0.0293
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            16158
_diffrn_reflns_theta_full        27.58
_diffrn_reflns_theta_max         27.58
_diffrn_reflns_theta_min         3.10
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.987
_exptl_absorpt_correction_T_min  0.976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.203
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     169
_refine_ls_number_reflns         2680
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0384P)^2^+1.5004P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1041
_refine_ls_wR_factor_ref         0.1084
_reflns_number_gt                2289
_reflns_number_total             2680
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fg3005.cif
_cod_data_source_block           III
_cod_database_code               2015296