Synthesis, Structural Characterization, Gas Sorption and Guest-Exchange Studies of the Lightweight, Porous Metal−Organic Framework α-[Mg3(O2CH)6]
Rood, Jeffrey A.; Noll, Bruce C.; Henderson, Kenneth W.; Inorganic Chemistry 45 (2006) 5521–5528; doi:10.1021/ic060543v

data_4332587
_publ_section_title
;
 Synthesis, Structural Characterization, Gas Sorption and Guest-Exchange
 Studies of the Lightweight, Porous Metal&#x2212;Organic Framework
 \a-[Mg3(O2CH)6]
;
_journal_issue                   14
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5521
_journal_page_last               5528
_journal_paper_doi               10.1021/ic060543v
_journal_volume                  45
_journal_year                    2006
_chemical_compound_source        synthesized
_chemical_formula_moiety         'C2 H2 Ca O4'
_chemical_formula_sum            'C2 H2 Ca O4'
_chemical_formula_weight         130.2
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      96
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 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            4
_cell_length_a                   6.8015(2)
_cell_length_b                   6.8015(2)
_cell_length_c                   9.2196(6)
_cell_measurement_reflns_used    2217
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.29
_cell_measurement_theta_min      3.72
_cell_volume                     426.50(3)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004; Sheldrick, 2003)'
_computing_molecular_graphics    'XP (Sheldrick, 1998)'
_computing_publication_material  'XCIF (Sheldrick, 2001)/enCIFer (CCDC, 2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART Apex CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0239
_diffrn_reflns_av_sigmaI/netI    0.0099
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11670
_diffrn_reflns_theta_full        36.33
_diffrn_reflns_theta_max         36.33
_diffrn_reflns_theta_min         3.72
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Siemans KFFMO2K-90'
_exptl_absorpt_coefficient_mu    1.355
_exptl_absorpt_correction_T_max  0.78
_exptl_absorpt_correction_T_min  0.73
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;Blessing, R.H. (1995) Acta Cryst. A51, 33-38.

Sheldrick, G. M. (2004) SaDABS. University of G\"ottingen, Germany.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.026
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'multi-faceted block'
_exptl_crystal_F_000             264
_exptl_crystal_recrystallization_method 'Crystallized at 110\% C  in DMF'
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.48(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.180
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     34
_refine_ls_number_reflns         1039
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.180
_refine_ls_R_factor_all          0.0135
_refine_ls_R_factor_gt           0.0133
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0161P)^2^+0.0421P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0350
_refine_ls_wR_factor_ref         0.0350
_reflns_number_gt                1028
_reflns_number_total             1039
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic060543vsup9.cif
_cod_data_source_block           jr13
_cod_database_code               4332587