A new approach towards tetrahedral imidazolate frameworks for high and selective CO2 uptake
Fei Wang; Yan-Xi Tan; Hui Yang; Haixia Zhang; Yao Kang; Jian Zhang; Chem.Commun. 47 (2011) 5828–; doi:10.1039/c1cc10829h

data_7106400
_publ_section_title
;
 A new approach towards tetrahedral imidazolate frameworks for high and
 selective CO2 uptake
;
_journal_name_full               Chem.Commun.
_journal_page_first              5828
_journal_paper_doi               10.1039/c1cc10829h
_journal_volume                  47
_journal_year                    2011
_chemical_formula_sum            'C15 H13 N7 O2 Zn2'
_chemical_formula_weight         454.06
_chemical_name_systematic
;
?
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 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                   12.0840(6)
_cell_length_b                   9.9231(4)
_cell_length_c                   14.3845(6)
_cell_measurement_reflns_used    2845
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.39
_cell_measurement_theta_min      2.66
_cell_volume                     1724.86(13)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_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  0.0413
_diffrn_reflns_av_sigmaI/netI    0.0523
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9927
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    2.807
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.749
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          .23
_exptl_crystal_size_mid          .15
_exptl_crystal_size_min          .10
_refine_diff_density_max         0.520
_refine_diff_density_min         -0.376
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.015(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         2875
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.0526
_refine_ls_R_factor_gt           0.0337
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0425P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0744
_refine_ls_wR_factor_ref         0.0821
_reflns_number_gt                2247
_reflns_number_total             2875
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc10829h.txt
_cod_data_source_block           ZIF-A2
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               7106400