Polymorphic Crystals Formed by an Achiral Diol under Ambient Conditions
Gao, Jiabin; Bhadbhade, Mohan M.; Bishop, Roger; Crystal Growth & Design 12 (2012) 5746–; doi:10.1021/cg301259f

data_4507035
_publ_section_title
;
 Polymorphic Crystals Formed by an Achiral Diol under Ambient Conditions
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5746
_journal_paper_doi               10.1021/cg301259f
_journal_volume                  12
_journal_year                    2012
_chemical_formula_sum            'C24 H26 N2 O2'
_chemical_formula_weight         374.47
_space_group_IT_number           14
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.419(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.0145(9)
_cell_length_b                   9.8544(4)
_cell_length_c                   10.6615(4)
_cell_measurement_reflns_used    5830
_cell_measurement_temperature    155(2)
_cell_measurement_theta_max      26.993
_cell_measurement_theta_min      2.829
_cell_volume                     1976.19(14)
_computing_cell_refinement       '<i>APEX2 </i>(Bruker, 2007)'
_computing_data_collection       '<i>APEX2 </i>(Bruker, 2007)'
_computing_data_reduction        '<i>APEX2 </i>(Bruker, 2007)'
_computing_molecular_graphics    '<i>SHELXTL-Plus</i> (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      155(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker kappa APEXII CCD Diffractometer'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_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  0.0370
_diffrn_reflns_av_sigmaI/netI    0.0334
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            15365
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9863
_exptl_absorpt_correction_T_min  0.9682
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2001)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.259
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.538
_refine_diff_density_min         -0.583
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         4293
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0723
_refine_ls_R_factor_gt           0.0540
_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^)+(0.0576P)^2^+1.2632P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1334
_refine_ls_wR_factor_ref         0.1485
_reflns_number_gt                3308
_reflns_number_total             4293
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg301259f_si_003.cif
_cod_data_source_block           jiabin177
_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 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4507035