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_4318576
_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            'C33 H60 Gd N3 O6'
_chemical_formula_weight         752.09
_chemical_name_common            'complex 6, Gd(tBuMeMe)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                 100.8080(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.6115(6)
_cell_length_b                   25.2146(15)
_cell_length_c                   14.1149(9)
_cell_measurement_temperature    153(2)
_cell_volume                     3709.7(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.926
_diffrn_measured_fraction_theta_max 0.926
_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  0.0278
_diffrn_reflns_av_sigmaI/netI    0.0254
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            33706
_diffrn_reflns_theta_full        28.95
_diffrn_reflns_theta_max         28.95
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    1.830
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1564
_refine_diff_density_max         2.462
_refine_diff_density_min         -0.710
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         9106
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0403
_refine_ls_R_factor_gt           0.0324
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0404P)^2^+4.5571P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0780
_refine_ls_wR_factor_ref         0.0816
_reflns_number_gt                7759
_reflns_number_total             9106
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020299h_3.cif
_cod_data_source_block           C33H60GdN3O6
_cod_database_code               4318576