Synthesis and structure of mixed isopropoxide–β-ketoester and β-ketoamide zirconium complexes: Potential precursors for MOCVD of ZrO~2~
Patil, Urmila; Winter, Manuela; Becker, Hans-Werner; Devi, Anjana; Journal of Materials Chemistry 13 (2003) 2177–2184; doi:10.1039/b304419j

data_7204672
_publ_section_title
;
 Synthesis and structure of mixed isopropoxide--\b-ketoester and \b-ketoamide
 zirconium complexes: Potential precursors for MOCVD of ZrO~2~
;
_journal_coden_ASTM              JMACEP
_journal_issue                   9
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              2177
_journal_page_last               2184
_journal_paper_doi               10.1039/b304419j
_journal_volume                  13
_journal_year                    2003
_chemical_formula_sum            'C22 H42 N2 O6 Zr'
_chemical_formula_weight         521.80
_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                 91.768(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3444(15)
_cell_length_b                   16.030(3)
_cell_length_c                   17.888(3)
_cell_measurement_reflns_used    60
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      15.0
_cell_measurement_theta_min      10.0
_cell_volume                     2678.2(8)
_computing_cell_refinement       SMART
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_molecular_graphics    'Bruker axs SHELXTL-PLUS'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker axs CCD 1000'
_diffrn_measurement_method       '\w scans'
_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  0.0266
_diffrn_reflns_av_sigmaI/netI    0.0269
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            14566
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.446
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.912
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.538
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         4648
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0374
_refine_ls_R_factor_gt           0.0300
_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^)+(0.0364P)^2^+1.7701P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0777
_refine_ls_wR_factor_ref         0.0825
_reflns_number_gt                3880
_reflns_number_total             4648
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b304419j.txt
_cod_data_source_block           962
_cod_original_cell_volume        2678.1(8)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7204672