Putting the Squeeze on CH4 and CO2 through Control over Interpenetration in Diamondoid Nets.
Elsaidi, Sameh K.; Mohamed, Mona H.; Wojtas, Lukasz; Chanthapally, Anjana; Pham, Tony; Space, Brian; Vittal, Jagadese J.; Zaworotko, Michael J.; Journal of the American Chemical Society 136 (2014) 5072–5077; doi:10.1021/ja500005k

data_4121601
_publ_section_title
;
 Putting the Squeeze on CH4 and CO2 through Control over Interpenetration
 in Diamondoid Nets.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5072
_journal_page_last               5077
_journal_paper_doi               10.1021/ja500005k
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C24 H16 Co N2 O4'
_chemical_formula_weight         455.32
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           90
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4ab 2ab'
_symmetry_space_group_name_H-M   'P 4 21 2'
_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            8
_cell_length_a                   22.6250(7)
_cell_length_b                   22.6250(7)
_cell_length_c                   12.7634(5)
_cell_measurement_temperature    228(2)
_cell_volume                     6533.5(4)
_computing_cell_refinement       'APEX2 (Bruker, 2010); SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2010)'
_computing_data_reduction        'SAINT (Bruker, 2009);XPREP(Sheldrick,2008)'
_computing_publication_material  'APEX2 (Bruker, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      228(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'BRUKER SMART APEXII CCD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1047
_diffrn_reflns_av_sigmaI/netI    0.1190
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14769
_diffrn_reflns_theta_full        50.41
_diffrn_reflns_theta_max         50.41
_diffrn_reflns_theta_min         3.91
_exptl_absorpt_coefficient_mu    4.302
_exptl_absorpt_correction_T_max  0.6490
_exptl_absorpt_correction_T_min  0.2223
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2003)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    0.926
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1864
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.11
_platon_squeeze_details
;
;
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.490
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.992
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3270
_refine_ls_number_restraints     33
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.1020
_refine_ls_R_factor_gt           0.0640
_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^)+(0.0484P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1224
_refine_ls_wR_factor_ref         0.1301
_reflns_number_gt                1930
_reflns_number_total             3270
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja500005k_si_003.cif
_cod_data_source_block           dia-4i-2
_cod_original_sg_symbol_H-M      P42(1)2
_cod_database_code               4121601