A Porous Metal-Organic Replica of α-PbO2 for Capture of Nerve Agent Surrogate
Ruqiang Zou; Ruiqin Zhong; Songbai Han; Hongwu Xu; Anthony K. Burrell; Neil Henson; Jonathan L. Cape; Donald D. Hickmott; Tatiana V. Timofeeva; Toti E. Larson; Yusheng Zhao; Journal of the American Chemical Society 132 (2010) 17996–17999; doi:10.1021/ja101440z

data_4103707
_publ_section_title
;
 A Porous Metal-Organic Replica of \a-PbO2 for Capture of Nerve Agent
 Surrogate
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17996
_journal_page_last               17999
_journal_paper_doi               10.1021/ja101440z
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C24 H24 Ca N2 O16 Zn2'
_chemical_formula_weight         767.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                   13.167(15)
_cell_length_b                   17.558(19)
_cell_length_c                   13.564(16)
_cell_measurement_temperature    183(2)
_cell_volume                     3136(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.944
_diffrn_measured_fraction_theta_max 0.944
_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  0.1144
_diffrn_reflns_av_sigmaI/netI    0.0886
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13173
_diffrn_reflns_theta_full        32.67
_diffrn_reflns_theta_max         32.67
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    1.768
_exptl_absorpt_correction_T_max  0.9013
_exptl_absorpt_correction_T_min  0.7188
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.625
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1560
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         2.452
_refine_diff_density_min         -1.162
_refine_diff_density_rms         0.170
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.035(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         5317
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0658
_refine_ls_R_factor_gt           0.0618
_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^)+(0.0951P)^2^+6.5055P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1569
_refine_ls_wR_factor_ref         0.1608
_reflns_number_gt                4872
_reflns_number_total             5317
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja101440z_si_001.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'Constr' changed to 'constr'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               4103707