Synthesis and characterisation of cyclopentadienyl complexes of barium: precursors for atomic layer deposition of BaTiO3.
Hatanpää, Timo; Vehkamäki, Marko; Mutikainen, Ilpo; Kansikas, Jarno; Ritala, Mikko; Leskelä, Markku; Dalton transactions (Cambridge, England : 2003)  (2004) 1181–1188; doi:10.1039/b400235k

data_7014038
_publ_section_title
;
 Synthesis and characterisation of cyclopentadienyl complexes of
 barium: precursors for atomic layer deposition of BaTiO3.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1181
_journal_page_last               1188
_journal_paper_doi               10.1039/b400235k
_journal_year                    2004
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C26 H44 Ba O3'
_chemical_formula_sum            'C26 H44 Ba O3'
_chemical_formula_weight         541.95
_chemical_name_systematic
;
Bis(1,2,3,4,5-pentamethylcyclopentadienyl)barium(II) diglyme
;
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000
_cell_angle_beta                 90.000
_cell_angle_gamma                90.000
_cell_formula_units_Z            8
_cell_length_a                   15.1070(10)
_cell_length_b                   15.1070(19)
_cell_length_c                   24.052(3)
_cell_measurement_reflns_used    22850
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.521
_cell_measurement_theta_min      5.019
_cell_volume                     5489.2(10)
_computing_cell_refinement       'COLLECT (Nonius, 2002)'
_computing_data_collection       'COLLECT (Nonius, 2002)'
_computing_data_reduction        'COLLECT (Nonius, 2002)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1990)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.0645
_diffrn_reflns_av_sigmaI/netI    0.0918
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            22801
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         5.02
_exptl_absorpt_coefficient_mu    1.468
_exptl_absorpt_correction_T_max  .746
_exptl_absorpt_correction_T_min  .700
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'sadabs (sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.312
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             2240
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.662
_refine_diff_density_min         -0.685
_refine_diff_density_rms         0.087
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         6262
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0969
_refine_ls_R_factor_gt           0.0482
_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^)+(0.0243P)^2^+1.2522P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0708
_refine_ls_wR_factor_ref         0.0809
_reflns_number_gt                4082
_reflns_number_total             6262
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b400235k.txt
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'multi scan' changed to
'multi-scan' 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 
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_cod_database_code               7014038