Mono-amidinate complexes stabilized by a new sterically-hindered amidine†
Schmidt, Joseph A. R.; Arnold, John; Chemical Communications  (1999) 2149–; doi:10.1039/a905620c

data_7110651
_publ_section_title
;
 Mono-amidinate complexes stabilized by a new sterically-hindered
 amidine&#x2020;
;
_journal_issue                   21
_journal_name_full               'Chemical Communications'
_journal_page_first              2149
_journal_paper_doi               10.1039/a905620c
_journal_year                    1999
_chemical_formula_sum            'C43 H75 N4 Si4 Y'
_chemical_formula_weight         849.34
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             'Fri Jul  2 09:08:58 1999'
_audit_creation_method           'from TEXRAY.INF file'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.6326(6)
_cell_length_b                   21.4487(5)
_cell_length_c                   24.4451(7)
_cell_measurement_reflns_used    8192
_cell_measurement_temperature    140.2
_cell_measurement_theta_max      45.0
_cell_measurement_theta_min      3.0
_cell_volume                     9769.4(5)
_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        teXsan
_computing_publication_material  teXsan
_computing_structure_refinement  teXsan
_diffrn_ambient_temperature      140.2
_diffrn_measurement_device       'Siemens SMART CCD'
_diffrn_measurement_method       'omega scans with profile analysis'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0845
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            47309
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_diffrn_reflns_theta_min         1.5
_exptl_absorpt_coefficient_mu    1.325
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_exptl_absorpt_correction_T_min  0.857
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.155
_exptl_crystal_description       block
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_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.290
_refine_diff_density_max         0.26
_refine_diff_density_min         -0.32
_refine_ls_extinction_coef       0.00000
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   0.901
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         3663
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.105
_refine_ls_R_factor_obs          0.0300
_refine_ls_shift/esd_max         0.0010
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      sigma
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_reflns_observed_criterion       '3.00 sigma'
_cod_data_source_file            905620csup1.cif
_cod_data_source_block           (dimb)Y(N(SiMe3)2)2
_cod_original_cell_volume        9769.4(4)
_cod_original_sg_symbol_H-M      'P b c a    '
_cod_original_formula_sum        'C43 H75 N4 Si4 Y '
_cod_database_code               7110651