Comparative Study of Homochiral and Racemic Chiral Metal-Organic Frameworks Built from Camphoric Acid
Zhang, Jian; Yao, Yuan-Gen; Bu, Xianhui; Chemistry of Materials 19 (2007) 5083–; doi:10.1021/cm071689a

data_4001443
_publ_section_title
;
 Comparative Study of Homochiral and Racemic Chiral Metal-Organic
 Frameworks Built from Camphoric Acid
;
_journal_issue                   21
_journal_name_full               'Chemistry of Materials'
_journal_page_first              5083
_journal_paper_doi               10.1021/cm071689a
_journal_volume                  19
_journal_year                    2007
_chemical_absolute_configuration rm
_chemical_formula_sum            'C30 H36 Cu2 N2 O8'
_chemical_formula_weight         679.71
_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                 121.843(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.2692(16)
_cell_length_b                   12.5647(6)
_cell_length_c                   13.4995(10)
_cell_measurement_reflns_used    4543
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.03
_cell_volume                     3064.7(4)
_computing_cell_refinement       'Siemens SMART & SAINT'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens XPREP'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Siemens SHELXTL'
_computing_structure_solution    'Siemens SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_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  0.0165
_diffrn_reflns_av_sigmaI/netI    0.0347
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11559
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.03
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    1.439
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7056
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.4000
_exptl_crystal_size_mid          0.3000
_exptl_crystal_size_min          0.1000
_refine_diff_density_max         0.903
_refine_diff_density_min         -0.331
_refine_diff_density_rms         0.079
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.013(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     385
_refine_ls_number_reflns         6685
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_gt           0.0402
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0771P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1085
_refine_ls_wR_factor_ref         0.1112
_reflns_number_gt                6211
_reflns_number_total             6685
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm071689a-file004.cif
_cod_data_source_block           a
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2
_cod_database_code               4001443
_refine_ls_r_factor_ref          0.0432