Chiral crystallization of ether- and imide-bridged biphenyl compounds without any outside chiral source
Kinuta, Takafumi; Sato, Tomohiro; Tajima, Nobuo; Kuroda, Reiko; Matsubara, Yoshio; Imai, Yoshitane; CrystEngComm 12 (2010) 3483–; doi:10.1039/c0ce00055h

data_7212771
_publ_section_title
;
 Chiral crystallization of ether- and imide-bridged biphenyl compounds
 without any outside chiral source
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              3483
_journal_paper_doi               10.1039/c0ce00055h
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C19 H12 N2 O2'
_chemical_formula_weight         300.31
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.9147(7)
_cell_length_b                   22.823(4)
_cell_length_c                   15.634(3)
_cell_measurement_reflns_used    1727
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      1.78
_cell_volume                     1396.8(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1122
_diffrn_reflns_av_sigmaI/netI    0.1024
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            4688
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.555
_refine_diff_density_min         -0.586
_refine_diff_density_rms         0.134
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2(6)
_refine_ls_extinction_coef       0.0000(10)
_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   1.278
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     69
_refine_ls_number_reflns         1727
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.278
_refine_ls_R_factor_all          0.1492
_refine_ls_R_factor_gt           0.1330
_refine_ls_shift/su_max          1.406
_refine_ls_shift/su_mean         0.032
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0258P)^2^+17.4718P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2422
_refine_ls_wR_factor_ref         0.2483
_reflns_number_gt                1472
_reflns_number_total             1727
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00055h.txt
_cod_data_source_block           31840a-3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_cell_volume        1396.9(4)
_cod_database_code               7212771