Visualizing Structural Transformation and Guest Binding in a Flexible Metal-Organic Framework under High Pressure and Room Temperature.
Yang, Hui; Guo, Feng; Lama, Prem; Gao, Wen-Yang; Wu, Hui; Barbour, Leonard J.; Zhou, Wei; Zhang, Jian; Aguila, Briana; Ma, Shengqian; ACS central science 4 (2018) 1194–1200; doi:10.1021/acscentsci.8b00378

data_4515847
_publ_section_title
;
 Visualizing Structural Transformation and Guest Binding in a Flexible
 Metal-Organic Framework under High Pressure and Room Temperature.
;
_journal_issue                   9
_journal_name_full               'ACS central science'
_journal_page_first              1194
_journal_page_last               1200
_journal_paper_doi               10.1021/acscentsci.8b00378
_journal_volume                  4
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety         '0.25(C88 H72 Cd4 N16 O16)'
_chemical_formula_sum            'C22 H18 Cd N4 O4'
_chemical_formula_weight         514.80
_space_group_crystal_system      tetragonal
_space_group_IT_number           90
_space_group_name_Hall           'P 4ab 2ab'
_space_group_name_H-M_alt        'P 4 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-10-23
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.855(4)
_cell_length_b                   18.855(4)
_cell_length_c                   8.0473(19)
_cell_measurement_reflns_used    2525
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      18.32
_cell_measurement_theta_min      2.44
_cell_volume                     2860.9(11)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXH-1997 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298.15
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker D8 venture PHOTON II CPAD'
_diffrn_measurement_method       '\f \ch and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2011
_diffrn_reflns_av_unetI/netI     0.0683
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            43765
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.42
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.790
_exptl_absorpt_correction_T_max  0.9167
_exptl_absorpt_correction_T_min  0.7335
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.195
_exptl_crystal_description       block
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.418
_exptl_crystal_size_mid          0.236
_exptl_crystal_size_min          0.112
_platon_squeeze_details
;
;
_refine_diff_density_max         0.298
_refine_diff_density_min         -0.670
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.09(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         2525
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0509P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1040
_refine_ls_wR_factor_ref         0.1065
_reflns_number_gt                2299
_reflns_number_total             2525
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            oc8b00378_si_003.cif
_cod_data_source_block           298k_sqd
_cod_original_cell_volume        2860.8(11)
_cod_database_code               4515847
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C6(H6), C7(H7), C9(H9), C10(H10)
2.b Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C)
;
_olex2_submission_special_instructions 'No special instructions were received'