Synthesis and Characterization of Volatile, Fluorine-Free β-Ketoiminate Lanthanide MOCVD Precursors and Their Implementation in Low-Temperature Growth of Epitaxial CeO2 Buffer Layers for Superconducting Electronics
Nikki L. Edleman; Anchuan Wang; John A. Belot; Andrew W. Metz; Jason R. Babcock; Amber M. Kawaoka; Jun Ni; Matthew V. Metz; Christine J. Flaschenriem; Charlotte L. Stern; Louise M. Liable-Sands; Arnold L. Rheingold; Paul R. Markworth; Robert P. H. Chang; Michael P. Chudzik; Carl R. Kannewurf; Tobin J. Marks; Inorganic Chemistry 41 (2002) 5005–5023; doi:10.1021/ic020299h

data_4318580
_publ_section_title
;
 Synthesis and Characterization of Volatile, Fluorine-Free \b-Ketoiminate
 Lanthanide MOCVD Precursors and Their Implementation in Low-Temperature
 Growth of Epitaxial CeO2 Buffer Layers for Superconducting Electronics
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5005
_journal_page_last               5023
_journal_paper_doi               10.1021/ic020299h
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C42 H78 Er N3 O6'
_chemical_formula_weight         888.33
_chemical_name_common            'complex 12, Er(tButBuMe)3'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 105.4000(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3100(7)
_cell_length_b                   27.3356(17)
_cell_length_c                   17.4357(11)
_cell_measurement_temperature    153(2)
_cell_volume                     4737.5(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.953
_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  0.0190
_diffrn_reflns_av_sigmaI/netI    0.0153
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            34982
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    1.814
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1868
_refine_diff_density_max         1.812
_refine_diff_density_min         -0.696
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     469
_refine_ls_number_reflns         11218
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0295
_refine_ls_R_factor_gt           0.0250
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0301P)^2^+4.2436P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0597
_refine_ls_wR_factor_ref         0.0621
_reflns_number_gt                10086
_reflns_number_total             11218
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020299h_7.cif
_cod_data_source_block           C42H78ErN3O6
_cod_database_code               4318580