Magnetic Modulation and Cation-Exchange in a Series of Isostructural (4,8)-Connected Metal‒Organic Frameworks with Butterfly-like [M4(OH)2(RCO2)8] Building Units
Yao, Ru-Xin; Xu, Xia; Zhang, Xian-Ming; Chemistry of Materials 24 (2012) 303–; doi:10.1021/cm202876r

data_4001629
_publ_section_title
;
 Magnetic Modulation and Cation-Exchange in a Series of Isostructural
 (4,8)-Connected Metal--Organic Frameworks with Butterfly-like
 [M4(OH)2(RCO2)8] Building Units
;
_journal_issue                   2
_journal_name_full               'Chemistry of Materials'
_journal_page_first              303
_journal_paper_doi               10.1021/cm202876r
_journal_volume                  24
_journal_year                    2012
_chemical_formula_sum            'C18 H19 N Ni2 O11'
_chemical_formula_weight         542.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 110.5320(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.5204(7)
_cell_length_b                   10.7639(5)
_cell_length_c                   14.6348(7)
_cell_measurement_reflns_used    3438
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.30
_cell_measurement_theta_min      2.48
_cell_volume                     1994.54(17)
_computing_cell_refinement       'SMART (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'SAINT (Bruker, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Apex CCD Diffractometer'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0395
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9602
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    1.953
_exptl_absorpt_correction_T_max  0.8594
_exptl_absorpt_correction_T_min  0.6410
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS, Sheldrick, 1997'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.807
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.942
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4354
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0530
_refine_ls_R_factor_gt           0.0394
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0631P)^2^+0.7437P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1090
_reflns_number_gt                3519
_reflns_number_total             4354
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm202876r_si_002.cif
_cod_data_source_block           5
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4001629