Syntheses and Structural Diversity of Group 2 and Group 12 Tris(pyrazolyl)methaneand Zwitterionic Tris(pyrazolyl)methanideCompounds
Cushion, Michael G.; Meyer, Jens; Heath, Alex; Schwarz, Andrew D.; Fernández, Ignacio; Breher, Frank; Mountford, Philip; Organometallics 29 (2010) 1174–; doi:10.1021/om901013b

data_4067547
_publ_section_title
;
 Syntheses and Structural Diversity of Group 2 and Group 12
 Tris(pyrazolyl)methaneand Zwitterionic Tris(pyrazolyl)methanideCompounds
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1174
_journal_paper_doi               10.1021/om901013b
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C26 H47 Ca1 N7 O1 Si2'
_chemical_formula_sum            'C26 H47 Ca N7 O Si2'
_chemical_formula_weight         569.96
_chemical_name_systematic
;
Ca{C(Me2pz)3}{N(SiMe3)2}(THF)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           CRYSTALS_ver_12.86
_cell_angle_alpha                90
_cell_angle_beta                 110.691(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   39.3059(4)
_cell_length_b                   8.5990(16)
_cell_length_c                   20.6529(8)
_cell_measurement_reflns_used    12535
_cell_measurement_temperature    150
_cell_measurement_theta_max      28
_cell_measurement_theta_min      5
_cell_volume                     6530.3(12)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997-2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.101
_diffrn_reflns_limit_h_max       50
_diffrn_reflns_limit_h_min       -50
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            24497
_diffrn_reflns_theta_full        26.698
_diffrn_reflns_theta_max         27.243
_diffrn_reflns_theta_min         5.149
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.295
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.96
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.159
_exptl_crystal_description       block
_exptl_crystal_F_000             2464
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.05
_refine_diff_density_min         -0.95
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9778
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         7216
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.2091
_refine_ls_R_factor_gt           0.0981
_refine_ls_shift/su_max          0.000452
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.10P)^2^ +65.15P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.3168
_refine_ls_wR_factor_gt          0.2927
_refine_ls_wR_factor_ref         0.3168
_reflns_limit_h_max              46
_reflns_limit_h_min              -50
_reflns_limit_k_max              11
_reflns_limit_k_min              0
_reflns_limit_l_max              26
_reflns_limit_l_min              0
_reflns_number_gt                2899
_reflns_number_total             7216
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_cod_data_source_file            om901013b_si_001.cif
_cod_data_source_block           compound_18
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
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_original_sg_symbol_Hall     '-C 2yc '
_cod_original_sg_symbol_H-M      'C 1 2/c 1 '
_cod_original_formula_sum        'C26 H47 Ca1 N7 O1 Si2'
_cod_database_code               4067547