A scandium terminal imido complex: synthesis, structure and DFT studies
Lu, Erli; Li, Yuxue; Chen, Yaofeng; Chemical Communications 46 (2010) 4469–4471; doi:10.1039/c002870c

data_7111622
_publ_section_title
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 A scandium terminal imido complex: synthesis, structure and DFT studies
;
_journal_issue                   25
_journal_name_full               'Chemical Communications'
_journal_page_first              4469
_journal_page_last               4471
_journal_paper_doi               10.1039/c002870c
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C41 H63 N4 Sc'
_chemical_formula_weight         656.91
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 100.323(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.543(3)
_cell_length_b                   15.790(3)
_cell_length_c                   15.938(3)
_cell_measurement_reflns_used    2217
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      36.121
_cell_measurement_theta_min      4.690
_cell_volume                     4095.8(13)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.1130
_diffrn_reflns_av_sigmaI/netI    0.1382
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            21031
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    0.210
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.56049
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.065
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1432
_exptl_crystal_size_max          0.405
_exptl_crystal_size_mid          0.362
_exptl_crystal_size_min          0.151
_refine_diff_density_max         0.536
_refine_diff_density_min         -0.300
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.871
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         7614
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      0.887
_refine_ls_R_factor_all          0.1490
_refine_ls_R_factor_gt           0.0729
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0976P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1752
_refine_ls_wR_factor_ref         0.2074
_reflns_number_gt                3483
_reflns_number_total             7614
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C002870Csup1.cif
_cod_data_source_block           cd29499
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        4095.9(11)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7111622