Rare Neutral Diphosphine Complexes of Scandium(III) and Yttrium(III) Halides.
Carravetta, Marina; Concistre, Maria; Levason, William; Reid, Gillian; Zhang, Wenjian; Inorganic chemistry 55 (2016) 12890–12896; doi:10.1021/acs.inorgchem.6b02268

data_4349282
_publ_section_title
;
 Rare Neutral Diphosphine Complexes of Scandium(III) and Yttrium(III)
 Halides.
;
_journal_issue                   24
_journal_name_full               'Inorganic chemistry'
_journal_page_first              12890
_journal_page_last               12896
_journal_paper_doi               10.1021/acs.inorgchem.6b02268
_journal_volume                  55
_journal_year                    2016
_chemical_formula_sum            'C12 H32 I3 P4 Sc'
_chemical_formula_weight         725.92
_space_group_IT_number           141
_space_group_name_Hall           '-I 4bd 2'
_space_group_name_H-M_alt        'I 41/a m d :2'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4bd 2'
_symmetry_space_group_name_H-M   'I 41/a m d :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.902(2)
_cell_length_b                   13.902(2)
_cell_length_c                   25.589(8)
_cell_measurement_reflns_used    5018
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.6
_cell_volume                     4945.5(18)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)
;
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1997)'
_computing_publication_material
'PLATON (Spek, 2003), WinGX (Farrugia, 1999) and enCIFer (Allen et al., 2004).'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 (Right)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen micromount'
_diffrn_radiation_collimation    'Confocal mirrors, VHF Varimax '
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0665
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            13809
_diffrn_reflns_theta_full        26.35
_diffrn_reflns_theta_max         26.35
_diffrn_reflns_theta_min         2.61
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    4.295
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.766
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Jacobson, R. (1998). REQAB. Private communication to the 
Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.950
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             2752
_exptl_crystal_size_max          0.02
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.162
_refine_diff_density_min         -0.903
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     67
_refine_ls_number_reflns         1378
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0474
_refine_ls_R_factor_gt           0.0326
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0406P)^2^+24.4255P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0881
_reflns_number_gt                1102
_reflns_number_total             1378
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic6b02268_si_001.cif
_cod_data_source_block           14rwz1120_[ScI3(Me2PCH2CH2PMe2)2]
_cod_original_cell_volume        4945.3(18)
_cod_original_sg_symbol_H-M      'I 41/a md'
_cod_database_code               4349282