Methane Storage in Paddlewheel-Based Porous Coordination Cages.
Rowland, Casey A.; Lorzing, Gregory R.; Gosselin, Eric J.; Trump, Benjamin A.; Yap, Glenn P. A.; Brown, Craig M.; Bloch, Eric D.; Journal of the American Chemical Society 140 (2018) 11153–11157; doi:10.1021/jacs.8b05780

data_4132714
_publ_section_title
;
 Methane Storage in Paddlewheel-Based Porous Coordination Cages.
;
_journal_issue                   36
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11153
_journal_page_last               11157
_journal_paper_doi               10.1021/jacs.8b05780
_journal_volume                  140
_journal_year                    2018
_chemical_formula_sum            'C210 H178 Cr12 N26 O68'
_chemical_formula_weight         4777.77
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2017/1
_cell_angle_alpha                115.2210(10)
_cell_angle_beta                 116.9280(10)
_cell_angle_gamma                90.4380(10)
_cell_formula_units_Z            1
_cell_length_a                   21.4077(11)
_cell_length_b                   21.9786(11)
_cell_length_c                   22.0259(12)
_cell_measurement_reflns_used    9541
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      27.72
_cell_measurement_theta_min      2.19
_cell_volume                     8096.3(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0405
_diffrn_reflns_av_unetI/netI     0.0424
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            158280
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.837
_diffrn_reflns_theta_min         1.057
_exptl_absorpt_coefficient_mu    0.447
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7041
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'APEX3 (Bruker, 2015)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    0.980
_exptl_crystal_description       block
_exptl_crystal_F_000             2452
_exptl_crystal_size_max          0.550
_exptl_crystal_size_mid          0.443
_exptl_crystal_size_min          0.430
_refine_diff_density_max         3.471
_refine_diff_density_min         -0.751
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1435
_refine_ls_number_reflns         37989
_refine_ls_number_restraints     163
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0959
_refine_ls_R_factor_gt           0.0641
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1054P)^2^+7.3066P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1856
_refine_ls_wR_factor_ref         0.2112
_reflns_Friedel_coverage         0.000
_reflns_number_gt                24623
_reflns_number_total             37989
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b05780_si_003.cif
_cod_data_source_block           eric103_s_sq
_cod_database_code               4132714
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.791
_shelx_estimated_absorpt_t_max   0.831
_shelx_res_checksum              94603
_shelx_hkl_checksum              41713
_shelx_fab_checksum              53246