An ultra-tunable platform for molecular engineering of high-performance crystalline porous materials
Quan-Guo Zhai; Xianhui Bu; Chengyu Mao; Xiang Zhao; Luke Daemen; Yongqiang Cheng; Anibal J. Ramirez-Cuesta; Pingyun Feng; Nature Communications 7 (2016) 13645–; doi:10.1038/ncomms13645

data_1547976
_publ_section_title
;
 An ultra-tunable platform for molecular engineering of high-performance
 crystalline porous materials
;
_journal_name_full               'Nature Communications'
_journal_page_first              13645
_journal_paper_doi               10.1038/ncomms13645
_journal_volume                  7
_journal_year                    2016
_chemical_formula_sum            'C54 H31 Mg2 N6 O13 V'
_chemical_formula_weight         1071.41
_space_group_crystal_system      hexagonal
_space_group_IT_number           194
_space_group_name_Hall           '-P 6c 2c'
_space_group_name_H-M_alt        'P 63/m m c'
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_atom_sites_solution_hydrogens   mixed
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   16.7913(2)
_cell_length_b                   16.7913(2)
_cell_length_c                   20.6558(5)
_cell_measurement_reflns_used    3600
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      20.2
_cell_measurement_theta_min      2.1
_cell_volume                     5043.61(15)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0799
_diffrn_reflns_av_unetI/netI     0.0536
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            21146
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.013
_diffrn_reflns_theta_max         25.013
_diffrn_reflns_theta_min         1.713
_exptl_absorpt_coefficient_mu    0.147
_exptl_crystal_colour            gray
_exptl_crystal_density_diffrn    0.705
_exptl_crystal_description       block
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.435
_refine_diff_density_min         -0.348
_refine_diff_density_rms         0.071
_refine_ls_extinction_coef       0.0028(10)
_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   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     101
_refine_ls_number_reflns         1699
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.1207
_refine_ls_R_factor_gt           0.0807
_refine_ls_shift/su_max          0.092
_refine_ls_shift/su_mean         0.011
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1588P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2260
_refine_ls_wR_factor_ref         0.2473
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1049
_reflns_number_total             1699
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            6.cif
_cod_data_source_block           6
_cod_original_cell_volume        5043.60(17)
_cod_database_code               1547976
_shelx_res_checksum              65328
_shelx_hkl_checksum              47757