Synthesis of Homoleptic Barium Alkoxides and Aryloxides and Their Reactions with Al(CH3)3: a Convenient Route to Heterometallic Species
Józef Utko; Sławomir Szafert; Lucjan B. Jerzykiewicz; Piotr Sobota; Inorganic Chemistry 44 (2005) 5194–5196; doi:10.1021/ic0503129

data_4309270
_publ_contact_author_email       plas@wchuwr.chem.uni.wroc.pl
_publ_contact_author_name        'Piotr Sobota'
_publ_contact_author_phone       +48-(0)-71-375-73-06
_publ_section_title
;
Synthesis of Homoleptic Barium Alkoxides and Aryloxides and Their Reactions
with Al(CH3)3: a Convenient Route to Heterometallic Species
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5194
_journal_page_last               5196
_journal_paper_doi               10.1021/ic0503129
_journal_volume                  44
_journal_year                    2005
_chemical_formula_moiety         '2(C34 H56 Al2 Ba O6), C7 H8'
_chemical_formula_sum            'C75 H120 Al4 Ba2 O12'
_chemical_formula_weight         1596.31
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 97.99(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.698(3)
_cell_length_b                   38.025(6)
_cell_length_c                   10.968(3)
_cell_measurement_reflns_used    3471
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      2
_cell_volume                     4418.4(19)
_computing_cell_refinement       'Oxford Diffraion software, CrystAlis 1.171'
_computing_data_collection       'Oxford Diffraion software, CrystAlis 1.171'
_computing_data_reduction        'Oxford Diffraion software, CrystAlis 1.171'
_computing_molecular_graphics    'SHELXTL-NT V5.1, Bruker AXS 1999'
_computing_publication_material  'SHELXTL-NT V5.1, Bruker AXS 1999'
_computing_structure_refinement  'SHELXTL-NT V5.1, Bruker AXS 1999'
_computing_structure_solution    'SHELXTL-NT V5.1, Bruker AXS 1999'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.920
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device_type  'Kuma KM4CCD kappa-axis diffractometer'
_diffrn_measurement_method       \w
_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  0.0819
_diffrn_reflns_av_sigmaI/netI    0.1807
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       48
_diffrn_reflns_limit_k_min       -48
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            28735
_diffrn_reflns_theta_full        28.56
_diffrn_reflns_theta_max         28.56
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    0.975
_exptl_absorpt_correction_T_max  0.8114
_exptl_absorpt_correction_T_min  0.4334
_exptl_absorpt_correction_type   analytical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1660
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         1.711
_refine_diff_density_min         -1.083
_refine_diff_density_rms         0.135
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     859
_refine_ls_number_reflns         17168
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.1105
_refine_ls_R_factor_gt           0.0677
_refine_ls_shift/su_max          0.079
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0572P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1323
_refine_ls_wR_factor_ref         0.1450
_reflns_number_gt                10295
_reflns_number_total             17168
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0503129rom20050301_122331_4.cif
_cod_data_source_block           for_complex_4
_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_sg_symbol_H-M      'P 21'
_cod_database_code               4309270