Interaction of some divalent metal acetylacetonates with Al, Ti, Nb and Ta isopropoxides. Factors influencing the formation and stability of heterometallic alkoxide complexes
Kessler, Vadim G.; Gohil, Suresh; Parola, Stephane; Dalton Transactions  (2003) 544–550; doi:10.1039/b206662a

data_7012003
_publ_section_title
;
 Interaction of some divalent metal acetylacetonates with Al, Ti, Nb
 and Ta isopropoxides. Factors influencing the formation and stability
 of heterometallic alkoxide complexes
;
_journal_coden_ASTM              DTARAF
_journal_issue                   4
_journal_name_full               'Dalton Transactions'
_journal_page_first              544
_journal_page_last               550
_journal_paper_doi               10.1039/b206662a
_journal_year                    2003
_chemical_formula_sum            'C36 H84 Nb2 Ni O12'
_chemical_formula_weight         953.56
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 107.790(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   29.509(7)
_cell_length_b                   9.536(2)
_cell_length_c                   18.973(5)
_cell_measurement_reflns_used    995(I>2sigma(I))
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      20.00
_cell_measurement_theta_min      2.26
_cell_volume                     5084(2)
_computing_cell_refinement       'Bruker SAINTPLUS'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINTPLUS'
_computing_molecular_graphics    'Bruker SHELXTL-NT'
_computing_publication_material  'Bruker SHELXTL-NT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Bruker SMART CCD 1k'
_diffrn_measurement_method       'Bruker SMART'
_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  0.0543
_diffrn_reflns_av_sigmaI/netI    0.0564
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6252
_diffrn_reflns_theta_full        20.00
_diffrn_reflns_theta_max         20.00
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    0.857
_exptl_absorpt_correction_T_max  0.8823
_exptl_absorpt_correction_T_min  0.5473
_exptl_absorpt_correction_type   'not applied'
_exptl_crystal_colour            'bluish violet'
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2024
_exptl_crystal_size_max          0.75
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.501
_refine_diff_density_min         -0.339
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.984
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         2303
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.1096
_refine_ls_R_factor_gt           0.0675
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1271P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1712
_refine_ls_wR_factor_ref         0.1920
_reflns_number_gt                1427
_reflns_number_total             2303
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b206662a.txt
_cod_data_source_block           ninb3cs
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        5083(2)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7012003