Electron density, disorder and polymorphism: high-resolution diffraction studies of the highly polymorphic neuralgic drug carbamazepine
Sovago, Ioana; Gutmann, Matthias J.; Senn, Hans Martin; Thomas, Lynne H.; Wilson, Chick C.; Farrugia, Louis J.; Acta Crystallographica Section B 72 (2016) 39–50; doi:10.1107/S2052520615019538

data_2107459
_publ_section_title
;
 Electron density, disorder and polymorphism: high-resolution diffraction
 studies of the highly polymorphic neuralgic drug carbamazepine
;
_journal_coeditor_code           BI5051
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              39
_journal_page_last               50
_journal_paper_doi               10.1107/S2052520615019538
_journal_volume                  72
_journal_year                    2016
_chemical_formula_moiety         'C15 H12 N2 O, 2(H2 O)'
_chemical_formula_sum            'C15 H16 N2 O3'
_chemical_formula_weight         272.3
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           64
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2ac 2'
_symmetry_space_group_name_H-M   'C m c e'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   direct
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.705(8)
_cell_length_b                   4.847(2)
_cell_length_c                   28.891(11)
_cell_measurement_reflns_used    1597
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.2
_cell_measurement_theta_min      2.82
_cell_volume                     2759.4(19)
_computing_cell_refinement       'SAINT V8.27B integration software'
_computing_data_collection       'Bruker APEX2 software'
_computing_data_reduction        'SORTAV (Blessing, 1995)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II'
_diffrn_measurement_method       '\f or \w oscillation scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.069
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            11763
_diffrn_reflns_reduction_process
;
        Scaled and merged with Sortav
        R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
        R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.026
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.745
_exptl_absorpt_correction_T_min  0.648
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.161
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    refU
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_refine_ls_number_constraints    0
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1258
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.01
_refine_ls_R_factor_all          0.0693
_refine_ls_R_factor_gt           0.0388
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0257P)^2^+0.5684P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0686
_refine_ls_wR_factor_ref         0.0738
_reflns_number_gt                903
_reflns_number_total             1258
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            bi5051sup1.cif
_cod_data_source_block           dihydrate_ortho_XRAY
_cod_depositor_comments
;Adding full bibliography for 2107456--2107460.cif.

 Adding full bibliography for 2107456--2107460.cif.
;
_cod_original_sg_symbol_Hall     '-C 2bc 2'
_cod_original_sg_symbol_H-M      'C m c a'
_cod_database_code               2107459