A Porous Magnesium Metal‒Organic Framework Showing Selective Adsorption and Separation of Nitrile Guest Molecules
Xu, Jin; Yu, Yang; Li, Guanghua; Wang, Shanshan; Liu, Yongxin; Liu, Dan; Wang, Cheng; RSC Adv.  (2016) –; doi:10.1039/C6RA16784E

data_7226876
_publ_section_title
;
 A Porous Magnesium Metal--Organic Framework Showing Selective Adsorption
 and Separation of Nitrile Guest Molecules
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA16784E
_journal_year                    2016
_chemical_formula_moiety         'C26 H16 N2 Mg2 O10,2(C3H3N)'
_chemical_formula_sum            'C32 H22 Mg2 N4 O10'
_chemical_formula_weight         671.15
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-12-31 deposited with the CCDC.
2016-10-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 127.421(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.655(4)
_cell_length_b                   17.638(4)
_cell_length_c                   12.956(3)
_cell_measurement_reflns_used    2213
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.65
_cell_measurement_theta_min      2.31
_cell_volume                     3204.2(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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0924
_diffrn_reflns_av_unetI/netI     0.1106
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7775
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.039
_diffrn_reflns_theta_max         25.039
_diffrn_reflns_theta_min         1.855
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.4715
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.391
_exptl_crystal_description       stick
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.639
_refine_diff_density_min         -0.416
_refine_diff_density_rms         0.080
_refine_ls_extinction_coef       0.0035(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     252
_refine_ls_number_reflns         2820
_refine_ls_number_restraints     16
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.1294
_refine_ls_R_factor_gt           0.0661
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1080P)^2^+1.4308P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1745
_refine_ls_wR_factor_ref         0.2102
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1607
_reflns_number_total             2820
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ra16784e2.cif
_cod_data_source_block           b
_cod_original_cell_volume        3204.3(14)
_cod_database_code               7226876
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.921
_shelx_estimated_absorpt_t_max   0.973
_shelx_res_checksum              23210