Correlation between coordinated water content and proton conductivity in Ca-BTC-based metal-organic frameworks
Arijit Mallick; Tanay Kundu; Rahul Banerjee; Chem.Commun. 48 (2012) 8829–; doi:10.1039/c2cc34006b

data_7108221
_publ_section_title
;
 Correlation between coordinated water content and proton conductivity in
 Ca-BTC-based metal-organic frameworks
;
_journal_name_full               Chem.Commun.
_journal_page_first              8829
_journal_paper_doi               10.1039/c2cc34006b
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C9 H6 Ca O7'
_chemical_formula_sum            'C9 H6 Ca O7'
_chemical_formula_weight         266.22
_chemical_name_common            Ca-BTC-H2O-348
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                101.341(13)
_cell_angle_beta                 99.683(12)
_cell_angle_gamma                111.950(16)
_cell_formula_units_Z            2
_cell_length_a                   6.8656(11)
_cell_length_b                   9.1287(16)
_cell_length_c                   9.9209(14)
_cell_measurement_temperature    348(2)
_cell_volume                     545.11(18)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      348(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0276
_diffrn_reflns_av_sigmaI/netI    0.0522
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            4319
_diffrn_reflns_theta_full        29.24
_diffrn_reflns_theta_max         29.24
_diffrn_reflns_theta_min         3.21
_exptl_absorpt_coefficient_mu    0.596
_exptl_absorpt_correction_T_max  0.920
_exptl_absorpt_correction_T_min  0.836
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, Acta Cryst. (1995) A51 33-58'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.622
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             272.0
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.312
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         2493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0410
_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^)+(0.0420P)^2^+0.1163P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.1072
_reflns_number_gt                2100
_reflns_number_total             2980
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc34006b.txt
_cod_data_source_block           Ca-BTC-H2O-348
_cod_database_code               7108221