Ce(IV) Complexes with Donor-Functionalized Alkoxide Ligands: Improved Precursors for Chemical Vapor Deposition of CeO2
Helen C. Aspinall; John Bacsa; Anthony C. Jones; Jacqueline S. Wrench; Kate Black; Paul R. Chalker; Peter J. King; Paul Marshall; Matthew Werner; Hywel O. Davies; Rajesh Odedra; Inorganic Chemistry 50 (2011) 11644–11652; doi:10.1021/ic201593s

data_4326892
_publ_section_title
;
 Ce(IV) Complexes with Donor-Functionalized Alkoxide Ligands: Improved
 Precursors for Chemical Vapor Deposition of CeO2
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11644
_journal_page_last               11652
_journal_paper_doi               10.1021/ic201593s
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C20 H48 Ce N4 O4'
_chemical_formula_weight         548.74
_chemical_name_common            JW255
_space_group_IT_number           178
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 61 2 (0 0 5)'
_symmetry_space_group_name_H-M   'P 61 2 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                120.00
_cell_formula_units_Z            6
_cell_length_a                   9.8993(3)
_cell_length_b                   9.8993(3)
_cell_length_c                   46.8411(16)
_cell_measurement_temperature    100(2)
_cell_volume                     3975.3(2)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_collection       'SMART v.5.632 (Bruker, 2005)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 diffractometer with APEX detector'
_diffrn_measurement_method       '\w scans with a narrow frame width'
_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  0.0350
_diffrn_reflns_av_sigmaI/netI    0.0179
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       54
_diffrn_reflns_limit_l_min       -59
_diffrn_reflns_number            29856
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    1.746
_exptl_absorpt_correction_T_max  0.8048
_exptl_absorpt_correction_T_min  0.7797
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_description       prism
_exptl_crystal_F_000             1716
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.716
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.335
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     207
_refine_ls_number_reflns         2930
_refine_ls_number_restraints     80
_refine_ls_restrained_S_all      1.316
_refine_ls_R_factor_all          0.0244
_refine_ls_R_factor_gt           0.0240
_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^)+(0.0000P)^2^+5.0277P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0476
_refine_ls_wR_factor_ref         0.0477
_reflns_number_gt                2905
_reflns_number_total             2930
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201593s_si_002_4.cif
_cod_data_source_block           C:\frames\guest\JW4Apr11\work\p6122.CIF
_cod_database_code               4326892