Syntheses and Solid State Structures of Tris(pyrazolyl)methane Complexes of Sodium, Potassium, Calcium, and Strontium: Comparison of Structures with Analogous Complexes of Lead(II)
Daniel L. Reger; Christine A. Little; Mark D. Smith; Arnold L. Rheingold; Louise M. Liable-Sands; Glen P. A. Yap; Ilia A. Guzei; Inorganic Chemistry 41 (2002) 19–27; doi:10.1021/ic010690n

data_4317388
_publ_section_title
;
 Syntheses and Solid State Structures of Tris(pyrazolyl)methane Complexes
 of Sodium, Potassium, Calcium, and Strontium: Comparison of Structures
 with Analogous Complexes of Lead(II)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              19
_journal_page_last               27
_journal_paper_doi               10.1021/ic010690n
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C89 H52 B2 F48 N12 O2 Sr'
_chemical_formula_weight         2342.67
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 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                 90.1744(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.1601(3)
_cell_length_b                   13.1756(3)
_cell_length_c                   27.1826(6)
_cell_measurement_temperature    173(2)
_cell_volume                     5071.37(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.0516
_diffrn_reflns_av_sigmaI/netI    0.0472
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            14835
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.50
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    0.672
_exptl_absorpt_correction_T_max  0.9358
_exptl_absorpt_correction_T_min  0.7988
_exptl_absorpt_correction_type   'Empirical from SADABS'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.534
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2332
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.177
_refine_diff_density_min         -0.775
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.936
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     667
_refine_ls_number_reflns         6548
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.936
_refine_ls_R_factor_all          0.1148
_refine_ls_R_factor_gt           0.0912
_refine_ls_shift/su_max          0.666
_refine_ls_shift/su_mean         0.049
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2427
_refine_ls_wR_factor_ref         0.2625
_reflns_number_gt                5287
_reflns_number_total             6548
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic010690n_3.cif
_cod_data_source_block
{[HC(pz)3]2(CH3COCH2COCH3)Sr}{B[3,5-(CF3)2C6H3]4}2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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        5071.38(19)
_cod_database_code               4317388