Pleconaril Polymorphs: Crystal Structures of Form I and Form III, Evidence of the Enantiotropy, and Assessment of the Structural Purity
Coste, Servane; Schneider, Jean-Marie; Petit, Marie-Noëlle; Coquerel, Gérard; Crystal Growth & Design 4 (2004) 1237–; doi:10.1021/cg049766r

data_4505371
_publ_section_title
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 Pleconaril Polymorphs:&#x2009; Crystal Structures of Form I and Form III,
 Evidence of the Enantiotropy, and Assessment of the Structural Purity
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_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1237
_journal_paper_doi               10.1021/cg049766r
_journal_volume                  4
_journal_year                    2004
_chemical_formula_moiety         'C18 H18 F3 N3 O3'
_chemical_formula_sum            'C18 H18 F3 N3 O3'
_chemical_formula_weight         381.35
_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                88.5210(10)
_cell_angle_beta                 87.4750(10)
_cell_angle_gamma                80.6750(10)
_cell_formula_units_Z            2
_cell_length_a                   4.6696(4)
_cell_length_b                   11.9275(10)
_cell_length_c                   15.8830(14)
_cell_measurement_temperature    100(2)
_cell_volume                     871.94(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.0141
_diffrn_reflns_av_sigmaI/netI    0.0210
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7044
_diffrn_reflns_theta_full        26.40
_diffrn_reflns_theta_max         26.40
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.809767
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.453
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rod
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.7
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.316
_refine_diff_density_rms         0.048
_refine_ls_extinction_coef       0.024(3)
_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   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         3523
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0419
_refine_ls_R_factor_gt           0.0379
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0604P)^2^+0.2022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1037
_refine_ls_wR_factor_ref         0.1069
_reflns_number_gt                3089
_reflns_number_total             3523
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg049766rsi20040710_120007.cif
_cod_data_source_block           PLECONARIL_FORM_I_100K
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'TRICLINIC' changed to 'triclinic'
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 
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4505371