Preparation and Gas Adsorption Studies of Three Mesh-Adjustable Molecular Sieves with a Common Structure
Shengqian Ma; Daofeng Sun; Daqiang Yuan; Xi-Sen Wang; Hong-Cai Zhou; Journal of the American Chemical Society 131 (2009) 6445–6451; doi:10.1021/ja808896f

data_4104329
_publ_section_title
;
 Preparation and Gas Adsorption Studies of Three Mesh-Adjustable Molecular
 Sieves with a Common Structure
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6445
_journal_page_last               6451
_journal_paper_doi               10.1021/ja808896f
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'Zn (C12 H16 O4) (H2O)'
_chemical_formula_sum            'C18 H18 O5 Zn'
_chemical_formula_weight         379.69
_chemical_name_common            MAMS-2
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           165
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3 2"c'
_symmetry_space_group_name_H-M   'P -3 c 1'
_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                120.00
_cell_formula_units_Z            12
_cell_length_a                   18.6069(6)
_cell_length_b                   18.6069(6)
_cell_length_c                   22.6226(14)
_cell_measurement_reflns_used    4169
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      20.49
_cell_measurement_theta_min      2.20
_cell_volume                     6783.0(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1612
_diffrn_reflns_av_sigmaI/netI    0.0725
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            23787
_diffrn_reflns_theta_full        20.83
_diffrn_reflns_theta_max         20.83
_diffrn_reflns_theta_min         1.26
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    1.104
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.115
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2352
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.473
_refine_diff_density_min         -0.722
_refine_diff_density_rms         0.136
_refine_ls_extinction_coef       0.00035(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2388
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0900
_refine_ls_R_factor_gt           0.0746
_refine_ls_shift/su_max          0.018
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1036P)^2^+38.0144P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2043
_refine_ls_wR_factor_ref         0.2136
_reflns_number_gt                1906
_reflns_number_total             2388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja808896f_si_002.cif
_cod_data_source_block           xamd666
_cod_database_code               4104329