Preparation of a spontaneous resolution chiral fluorescent system using 2-anthracenecarboxylic acid
Imai, Yoshitane; Kamon, Kensaku; Murata, Katuzo; Harada, Takunori; Nakano, Yoko; Sato, Tomohiro; Fujiki, Michiya; Kuroda, Reiko; Matsubara, Yoshio; Organic & Biomolecular Chemistry 6 (2008) 3471–3475; doi:10.1039/b808242a

data_7150973
_publ_section_title
;
 Preparation of a spontaneous resolution chiral fluorescent system
 using 2-anthracenecarboxylic acid
;
_journal_issue                   19
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              3471
_journal_page_last               3475
_journal_paper_doi               10.1039/b808242a
_journal_volume                  6
_journal_year                    2008
_chemical_absolute_configuration rm
_chemical_formula_sum            'C23 H21 N O2'
_chemical_formula_weight         343.41
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 90.088(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.319(3)
_cell_length_b                   6.1500(17)
_cell_length_c                   15.347(4)
_cell_measurement_reflns_used    3257
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      1.33
_cell_volume                     879.6(4)
_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 0.972
_diffrn_measured_fraction_theta_max 0.972
_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  0.0375
_diffrn_reflns_av_sigmaI/netI    0.0732
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7730
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         1.33
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9959
_exptl_absorpt_correction_T_min  0.9561
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             364
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         3934
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0663
_refine_ls_R_factor_gt           0.0518
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0438P)^2^+0.1658P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1093
_refine_ls_wR_factor_ref         0.1198
_reflns_number_gt                3257
_reflns_number_total             3934
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b808242a.txt
_cod_data_source_block           imai85_1
_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 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7150973