Chiral channel-like cavity which is tunable via changes in 21-column packing structure
Imai, Yoshitane; Kawaguchi, Kakuhiro; Asai, Katuzo; Sato, Tomohiro; Kuroda, Reiko; Matsubara, Yoshio; CrystEngComm 9 (2007) 467–; doi:10.1039/b705641a

data_7202917
_publ_section_title
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 Chiral channel-like cavity which is tunable via changes in 21-column
 packing structure
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              467
_journal_paper_doi               10.1039/b705641a
_journal_volume                  9
_journal_year                    2007
_chemical_formula_sum            'C31 H29 N2 O3'
_chemical_formula_weight         477.56
_chemical_name_systematic
;
?
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 90.865(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   36.751(8)
_cell_length_b                   5.6734(12)
_cell_length_c                   12.304(3)
_cell_measurement_reflns_used    3632
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      1.66
_cell_volume                     2565.1(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\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  0.0432
_diffrn_reflns_av_sigmaI/netI    0.0881
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -47
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7883
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9960
_exptl_absorpt_correction_T_min  0.9537
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1012
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.762
_refine_diff_density_min         -0.367
_refine_diff_density_rms         0.087
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         4913
_refine_ls_number_restraints     58
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.1150
_refine_ls_R_factor_gt           0.0874
_refine_ls_shift/su_max          0.035
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1650P)^2^+1.4033P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2290
_refine_ls_wR_factor_ref         0.2541
_reflns_number_gt                3632
_reflns_number_total             4913
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b705641a.txt
_cod_data_source_block           imai69_4
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      C2
_cod_database_code               7202917