Facile formation of a homoleptic Ce(iv) amide via aerobic oxidation
Hitchcock, Peter B.; Lappert, Michael F.; Protchenko, Andrey V.; Chemical Communications  (2006) 3546–3548; doi:10.1039/b607429d

data_7111508
_publ_section_title
;
 Facile formation of a homoleptic Ce(iv) amide via aerobic oxidation
;
_journal_issue                   33
_journal_name_full               'Chemical Communications'
_journal_page_first              3546
_journal_page_last               3548
_journal_paper_doi               10.1039/b607429d
_journal_year                    2006
_chemical_absolute_configuration unk
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C48 H88 Ce N4'
_chemical_formula_sum            'C48 H88 Ce N4'
_chemical_formula_weight         861.34
_space_group_IT_number           81
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      81
_symmetry_space_group_name_Hall  'P -4'
_symmetry_space_group_name_H-M   'P -4'
_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             2004-12-10T10:27:10-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.1876(5)
_cell_length_b                   21.1876(5)
_cell_length_c                   10.3198(3)
_cell_measurement_reflns_used    19600
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.022
_cell_measurement_theta_min      3.395
_cell_measurement_wavelength     0.71073
_cell_volume                     4632.7(2)
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_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      0.265666E-1
_diffrn_orient_matrix_UB_12      0.86946E-2
_diffrn_orient_matrix_UB_13      -0.780777E-1
_diffrn_orient_matrix_UB_21      0.389214E-1
_diffrn_orient_matrix_UB_22      -0.90125E-2
_diffrn_orient_matrix_UB_23      0.515934E-1
_diffrn_orient_matrix_UB_31      -0.26325E-2
_diffrn_orient_matrix_UB_32      -0.455058E-1
_diffrn_orient_matrix_UB_33      -0.251361E-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  0.0543
_diffrn_reflns_av_unetI/netI     0.0782
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            20827
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         3.47
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    1.018
_exptl_absorpt_correction_T_max  0.9868
_exptl_absorpt_correction_T_min  0.8501
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1848
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.632
_refine_diff_density_min         -1.145
_refine_diff_density_rms         0.094
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.510(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         8991
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0746
_refine_ls_R_factor_gt           0.0484
_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^)+(0.0372P)^2^+8.2990P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0956
_refine_ls_wR_factor_ref         0.106
_reflns_number_gt                7005
_reflns_number_total             8991
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b607429dsup1.cif
_cod_data_source_block           (3)-dec1704
_cod_original_sg_symbol_H-M      P-4
_cod_database_code               7111508