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_4121603
_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            'C28 H20 Co N2 O4'
_chemical_formula_weight         507.39
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           41
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'A 2 -2ab'
_symmetry_space_group_name_H-M   'A b a 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            4
_cell_length_a                   13.1543(8)
_cell_length_b                   21.7445(11)
_cell_length_c                   8.6774(6)
_cell_measurement_temperature    228(2)
_cell_volume                     2482.0(3)
_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  'OLEX2 (Dolomanov,2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008), OLEX2 (2009)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      228(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.962
_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  0.0376
_diffrn_reflns_av_sigmaI/netI    0.0520
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6781
_diffrn_reflns_theta_full        66.60
_diffrn_reflns_theta_max         68.94
_diffrn_reflns_theta_min         4.07
_exptl_absorpt_coefficient_mu    5.720
_exptl_absorpt_correction_T_max  0.5719
_exptl_absorpt_correction_T_min  0.5015
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2003)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1044
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.460
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.024(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     159
_refine_ls_number_reflns         1944
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0420
_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^)+(0.0655P)^2^+0.6207P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1079
_refine_ls_wR_factor_ref         0.1123
_reflns_number_gt                1667
_reflns_number_total             1944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja500005k_si_009.cif
_cod_data_source_block           dia-8i-1
_cod_original_sg_symbol_H-M      Aba2
_cod_database_code               4121603