Oxcarbazepine: structure and anticonvulsant activity
Hempel, Andrew; Camerman, Norman; Camerman, Arthur; Mastropaolo, Donald; Acta Crystallographica Section E 61 (2005) o1313–o1315; doi:10.1107/S1600536805010676

data_2205756
_publ_section_title
;
 Oxcarbazepine: structure and anticonvulsant activity
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1313
_journal_page_last               o1315
_journal_paper_doi               10.1107/S1600536805010676
_journal_volume                  61
_journal_year                    2005
_chemical_formula_moiety         'C15 H12 N2 O2'
_chemical_formula_sum            'C15 H12 N2 O2'
_chemical_formula_weight         252.27
_chemical_name_common            Oxcarbazepine
_chemical_name_systematic
;
 10-oxo-10,11-dihydro-5H-dibenzo[b,f]azepine-5-carboxamide
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.64(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.276(2)
_cell_length_b                   9.307(4)
_cell_length_c                   24.841(7)
_cell_measurement_reflns_used    32
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      54
_cell_measurement_theta_min      30
_cell_volume                     1213.9(8)
_computing_cell_refinement       'Picker Software'
_computing_data_collection       'Picker Software (Picker, 1967)'
_computing_data_reduction        'Picker Software'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  SHELXl97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Picker FACS-1 4-circle diffractometer'
_diffrn_measurement_method       '\q/2\q  scan'
_diffrn_radiation_monochromator  'Ni-filtered radiation'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.6312
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            2072
_diffrn_reflns_theta_full        64.99
_diffrn_reflns_theta_max         64.99
_diffrn_reflns_theta_min         3.58
_diffrn_standards_decay_%        0.7
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.761
_exptl_absorpt_correction_T_max  0.917
_exptl_absorpt_correction_T_min  0.867
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.380
_exptl_crystal_density_meas      ?
_exptl_crystal_description       needle
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.150
_refine_ls_extinction_coef       0.0115(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.813
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         2072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.813
_refine_ls_R_factor_all          0.0466
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.1065P)^2^+0.2350P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1167
_refine_ls_wR_factor_ref         0.1244
_reflns_number_gt                1761
_reflns_number_total             2072
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6401.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

'_symmetry_cell_setting' value
'Monoclinic' changed to 'monoclinic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21 /c'
_cod_database_code               2205756
_cod_database_fobs_code          2205756