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_4001447
_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_formula_sum            'C76 H86 Cd4 N6 O16'
_chemical_formula_weight         1789.11
_chemical_name_systematic
; 
 ? 
;
_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                 102.786(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   18.8494(7)
_cell_length_b                   10.8373(4)
_cell_length_c                   19.0705(7)
_cell_measurement_reflns_used    7743
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      21.88
_cell_measurement_theta_min      2.22
_cell_volume                     3799.1(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0624
_diffrn_reflns_av_sigmaI/netI    0.0704
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            21175
_diffrn_reflns_theta_full        22.06
_diffrn_reflns_theta_max         22.06
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    1.172
_exptl_absorpt_correction_T_max  .8500
_exptl_absorpt_correction_T_min  .8200
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.563
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1808
_exptl_crystal_size_max          .24
_exptl_crystal_size_mid          .14
_exptl_crystal_size_min          .11
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.366
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.904
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     919
_refine_ls_number_reflns         8415
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.904
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0352
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0295P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0655
_refine_ls_wR_factor_ref         0.0699
_reflns_number_gt                6693
_reflns_number_total             8415
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm071689a-file008.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      P2(1)
_cod_database_code               4001447