Syntheses, structures and reactions of a series of β-diketiminatoyttrium compounds
Wei, Xuehong; Cheng, Yanxiang; Hitchcock, Peter B.; Lappert, Michael F.; Dalton Transactions  (2008) 5235–5246; doi:10.1039/b806451b

data_7004383
_publ_section_title
;
 Syntheses, structures and reactions of a series of
 \b-diketiminatoyttrium compounds
;
_journal_issue                   38
_journal_name_full               'Dalton Transactions'
_journal_page_first              5235
_journal_page_last               5246
_journal_paper_doi               10.1039/b806451b
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C50 H67 N4 O1 Y'
_chemical_formula_sum            'C50 H67 N4 O Y'
_chemical_formula_weight         828.99
_chemical_name_common            (Y(OtBu)(C6H4iPrNC(Me)CHC(Me)MC6H4iPr)2)
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.2
_audit_creation_date             2003-05-22T16:16:09-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 98.21
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.5959(1)
_cell_length_b                   17.9182(2)
_cell_length_c                   21.0703(2)
_cell_measurement_reflns_used    34782
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     4706.74(8)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.689059E-1
_diffrn_orient_matrix_UB_12      0.108268E-1
_diffrn_orient_matrix_UB_13      -0.166025E-1
_diffrn_orient_matrix_UB_21      0.358801E-1
_diffrn_orient_matrix_UB_22      -0.40989E-1
_diffrn_orient_matrix_UB_23      0.27285E-1
_diffrn_orient_matrix_UB_31      -0.199658E-1
_diffrn_orient_matrix_UB_32      -0.362953E-1
_diffrn_orient_matrix_UB_33      -0.35766E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0621
_diffrn_reflns_av_unetI/netI     0.0452
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            60670
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         3.71
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    1.277
_exptl_absorpt_correction_T_max  0.8374
_exptl_absorpt_correction_T_min  0.7141
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.17
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.349
_refine_diff_density_min         -0.39
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     522
_refine_ls_number_reflns         10723
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0668
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0233P)^2^+4.1158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0882
_reflns_number_gt                8417
_reflns_number_total             10723
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806451b.txt
_cod_data_source_block           (7)-may2703
_cod_original_cell_volume        4706.78(8)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C50 H67 N4 O1 Y'
_cod_database_code               7004383