Crystal Structures of Tetramorphic Forms of Donepezil and Energy/Temperature Phase Diagram via Direct Heat Capacity Measurements
Park, Yeojin; Lee, Jangmi; Lee, Sun Hye; Choi, Hoo Gyun; Mao, Chen; Kang, Sung Kwon; Choi, Sang-Eun; Lee, Eun Hee; Crystal Growth & Design 13 (2013) 5450–; doi:10.1021/cg401405g

data_4508579
_publ_section_title
;
 Crystal Structures of Tetramorphic Forms of Donepezil and
 Energy/Temperature Phase Diagram via Direct Heat Capacity Measurements
;
_journal_issue                   12
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5450
_journal_paper_doi               10.1021/cg401405g
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         'C24 H29 N O3'
_chemical_formula_sum            'C24 H29 N O3'
_chemical_formula_weight         379.48
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                67.375(10)
_cell_angle_beta                 79.079(7)
_cell_angle_gamma                71.988(7)
_cell_formula_units_Z            4
_cell_length_a                   10.365(6)
_cell_length_b                   14.306(8)
_cell_length_c                   16.199(9)
_cell_measurement_reflns_used    4174
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.42
_cell_measurement_theta_min      2.24
_cell_volume                     2102(2)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w scans'
_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  0.1152
_diffrn_reflns_av_sigmaI/netI    0.0971
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            58083
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.199
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.145
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.035
_refine_ls_extinction_coef       0.0048(5)
_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   0.791
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     506
_refine_ls_number_reflns         7831
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.791
_refine_ls_R_factor_all          0.1496
_refine_ls_R_factor_gt           0.0457
_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^)+(0.0525P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.1234
_reflns_number_gt                2919
_reflns_number_total             7831
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg401405g_si_003.cif
_cod_data_source_block           cnu1102
_cod_original_sg_symbol_H-M      p-1
_cod_database_code               4508579