Monomeric, Dimeric, and Trimeric Calcium Compounds Containing Substituted Pyrrolyl and Ketiminate Ligands: Synthesis and Structural Characterization
Shih-Mao Ho; Ching-Sheng Hsiao; Amitabha Datta; Chen-Hsiung Hung; Ling-Chueh Chang; Ting-Yu Lee; Jui-Hsien Huang; Inorganic Chemistry 48 (2009) 8004–8011; doi:10.1021/ic900265c

data_4302903
_publ_section_title
;
Monomeric, Dimeric, and Trimeric Calcium Compounds Containing Substituted
Pyrrolyl and Ketiminate Ligands: Synthesis and Structural Characterization
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8004
_journal_page_last               8011
_journal_paper_doi               10.1021/ic900265c
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C53 H92 Ca2 N4 O2 Si4'
_chemical_formula_sum            'C53 H92 Ca2 N4 O2 Si4'
_chemical_formula_weight         1009.83
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/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                 107.253(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.8253(9)
_cell_length_b                   17.5332(13)
_cell_length_c                   15.4155(12)
_cell_measurement_temperature    273(2)
_cell_volume                     3052.4(4)
_computing_cell_refinement       'SAINT v6.280a (Bruker, 2004)'
_computing_data_collection       'APEX2 v1.0-22 (Bruker, 2004)'
_computing_data_reduction        'SAINT v6.280a (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL 5.1'
_computing_publication_material  'SHELXTL 5.1'
_computing_structure_refinement  'SHELXTL 5.1'
_computing_structure_solution    'SHELXTL 5.1 (Sheldrick, 1998)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX II'
_diffrn_measurement_method       \w
_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  0.0449
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            45537
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.81
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.303
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.099
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1100
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.432
_refine_diff_density_min         -0.255
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         7361
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0544
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0437P)^2^+0.9126P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0909
_refine_ls_wR_factor_ref         0.0990
_reflns_number_gt                5670
_reflns_number_total             7361
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900265c_si_001_3.cif
_cod_data_source_block           Cpd3
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4302903