Polymorphism and Pseudopolymorphism of an Aromatic Amide: Spontaneous Resolution and Crystal-to-Crystal phase Transition
Kato, Takako; Okamoto, Iwao; Masu, Hyuma; Katagiri, Kosuke; Tominaga, Masahide; Yamaguchi, Kentaro; Kagechika, Hiroyuki; Azumaya, Isao; Crystal Growth & Design 8 (2008) 3871–; doi:10.1021/cg800658t

data_4503861
_publ_section_title
;
 Polymorphism and Pseudopolymorphism of an Aromatic Amide: Spontaneous
 Resolution and Crystal-to-Crystal phase Transition
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3871
_journal_paper_doi               10.1021/cg800658t
_journal_volume                  8
_journal_year                    2008
_chemical_formula_moiety         'C22 H18 F2 N2 O2, C4 H8 O2 '
_chemical_formula_sum            'C26 H26 F2 N2 O4'
_chemical_formula_weight         468.50
_space_group_IT_number           144
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      144
_symmetry_space_group_name_Hall  'P 31'
_symmetry_space_group_name_H-M   'P 31'
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                120.0000
_cell_formula_units_Z            3
_cell_length_a                   9.0756(5)
_cell_length_b                   9.0756(5)
_cell_length_c                   24.3239(17)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298.1
_cell_measurement_theta_max      28.8
_cell_measurement_theta_min      25.1
_cell_volume                     1735.06(18)
_computing_cell_refinement       WinAFC
_computing_data_collection       WinAFC
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SIR2004
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku AFC7R'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.039
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            4995
_diffrn_reflns_theta_full        67.80
_diffrn_reflns_theta_max         67.80
_diffrn_standards_decay_%        0.00
_diffrn_standards_interval_count 0
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.851
_exptl_absorpt_correction_T_max  0.918
_exptl_absorpt_correction_T_min  0.860
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.345
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             738.00
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.80
_refine_diff_density_min         -0.33
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  2013 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.12(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     309
_refine_ls_number_reflns         4104
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0534
_refine_ls_shift/su_max          0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1029P)^2^+0.9871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1479
_refine_ls_wR_factor_ref         0.1496
_reflns_number_gt                4010
_reflns_number_total             4104
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            cg800658t_si_002.cif
_cod_data_source_block           r0703221tka(Form-X)
_cod_database_code               4503861