A Structurally Diverse Series of Aluminum Chloride Alkoxides [ClxAl(μ-OR)y]n (R =nBu,cHex, Ph, 2,4-tBu2C6H3)
Zdenek Moravec; Radek Sluka; Marek Necas; Vojtech Jancik; Jiri Pinkas; Inorganic Chemistry 48 (2009) 8106–8114; doi:10.1021/ic802251g

data_4302992
_publ_section_title
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A Structurally Diverse Series of Aluminum Chloride Alkoxides
[ClxAl(\m-OR)y]n (R =nBu,cHex, Ph, 2,4-tBu2C6H3)
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8106
_journal_page_last               8114
_journal_paper_doi               10.1021/ic802251g
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C28 H42 Al2 Cl4 O2'
_chemical_formula_sum            'C28 H42 Al2 Cl4 O2'
_chemical_formula_weight         606.38
_chemical_name_systematic
; 
 ? 
;
_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                 100.26(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.524(1)
_cell_length_b                   16.450(2)
_cell_length_c                   15.921(1)
_cell_measurement_reflns_used    2838
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      3.08
_cell_volume                     3227.6(5)
_computing_cell_refinement       'Xcalibur (Oxford Diffraction Ltd, 2006)'
_computing_data_collection       'Xcalibur (Oxford Diffraction Ltd, 2006)'
_computing_data_reduction        'Xcalibur (Oxford Diffraction Ltd, 2006)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1998)'
_computing_publication_material  'SHELXTL (Bruker, 1998)'
_computing_structure_refinement  'SHELXTL (Bruker, 1998)'
_computing_structure_solution    'SHELXTL (Bruker, 1998)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0239
_diffrn_reflns_av_sigmaI/netI    0.0120
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18760
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    0.444
_exptl_absorpt_correction_T_max  0.8783
_exptl_absorpt_correction_T_min  0.8424
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   'Xcalibur, Oxford Diffraction'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.339
_refine_diff_density_min         -0.509
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     197
_refine_ls_number_reflns         2838
_refine_ls_number_restraints     63
_refine_ls_restrained_S_all      1.140
_refine_ls_R_factor_all          0.0373
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0422P)^2^+3.7801P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0887
_reflns_number_gt                2648
_reflns_number_total             2838
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic802251g_si_001_7.cif
_cod_data_source_block           Compound8
_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 
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_cod_database_code               4302992