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_7004379
_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         'C37 H57 Cl2 N2 O2 Y'
_chemical_formula_sum            'C37 H57 Cl2 N2 O2 Y'
_chemical_formula_weight         721.66
_chemical_name_systematic
;
?
;
_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_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             2003-06-04T15:20:56-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.4162(1)
_cell_length_b                   24.0744(3)
_cell_length_c                   20.4590(2)
_cell_measurement_reflns_used    54481
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     7593.07(13)
_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_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 0.99
_diffrn_measured_fraction_theta_max 0.99
_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      -0.363697E-1
_diffrn_orient_matrix_UB_12      0.179784E-1
_diffrn_orient_matrix_UB_13      0.308149E-1
_diffrn_orient_matrix_UB_21      0.518441E-1
_diffrn_orient_matrix_UB_22      0.303E-3
_diffrn_orient_matrix_UB_23      0.249635E-1
_diffrn_orient_matrix_UB_31      0.140407E-1
_diffrn_orient_matrix_UB_32      0.454507E-1
_diffrn_orient_matrix_UB_33      -0.123555E-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  0.0796
_diffrn_reflns_av_unetI/netI     0.0357
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            75616
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         3.72
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    1.709
_exptl_absorpt_correction_T_max  0.5812
_exptl_absorpt_correction_T_min  0.5341
_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    1.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3056
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.583
_refine_diff_density_min         -0.793
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     395
_refine_ls_number_reflns         6673
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0607
_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^)+(0.0137P)^2^+20.9549P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1041
_refine_ls_wR_factor_ref         0.1127
_reflns_number_gt                5210
_reflns_number_total             6673
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806451b.txt
_cod_data_source_block           (5a)-jun603
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7004379