Tetrakis(imidazolyl)borate-Based Coordination Polymers: Group II Network Solids, M[B(Im)4]2(H2O)2 (M = Mg, Ca, Sr)
Barton H. Hamilton; Kathryn A. Kelly; Wilhelm Malasi; Christopher J. Ziegler; Inorganic Chemistry 42 (2003) 3067–3073; doi:10.1021/ic026244x

data_4313561
_publ_section_title
;
 Tetrakis(imidazolyl)borate-Based Coordination Polymers: Group II Network
 Solids, M[B(Im)4]2(H2O)2 (M = Mg, Ca, Sr)
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3067
_journal_page_last               3073
_journal_paper_doi               10.1021/ic026244x
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C24 H28 B2 Ca N16 O2'
_chemical_formula_weight         634.32
_chemical_name_common            'Calcium tetrakis(imidazolyl)borate'
_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                93.39(3)
_cell_angle_beta                 108.36(3)
_cell_angle_gamma                118.04(3)
_cell_formula_units_Z            1
_cell_length_a                   9.3893(19)
_cell_length_b                   9.6820(19)
_cell_length_c                   10.384(2)
_cell_measurement_reflns_used    3239
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.13
_cell_volume                     766.2(4)
_computing_cell_refinement       P3
_computing_data_collection       P3
_computing_data_reduction        xdisk
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'Siemens SHELXTL'
_computing_structure_solution    'Siemens SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker P(2)1 Syntex'
_diffrn_measurement_method       '\w 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  0.0191
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3239
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.13
_diffrn_standards_interval_count 97
_diffrn_standards_interval_time  3/97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.258
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             330
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.229
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         2701
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0340
_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^)+(0.0188P)^2^+0.4498P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0655
_refine_ls_wR_factor_ref         0.0702
_reflns_number_gt                2229
_reflns_number_total             2701
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic026244xsi20021206_024518_3.cif
_cod_data_source_block           Ca[B(Im)4].2H2O
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        766.2(3)
_cod_database_code               4313561