Phosphine complexes of aluminium(iii) halides - preparation and structural and spectroscopic systematics.
Burt, Jennifer; Levason, William; Light, Mark E.; Reid, Gillian; Dalton transactions (Cambridge, England : 2003) 43 (2014) 14600–14611; doi:10.1039/c4dt02051k

data_7031950
_publ_section_title
;
 Phosphine complexes of aluminium(iii) halides - preparation and
 structural and spectroscopic systematics.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14600
_journal_page_last               14611
_journal_paper_doi               10.1039/c4dt02051k
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C12 H32 Al Cl2 P4 1+, Al Cl4 1-'
_chemical_formula_sum            'C12 H32 Al2 Cl6 P4'
_chemical_formula_weight         566.92
_chemical_name_systematic
;
  dichlorobis(ethane-1,2-diylbis(dimethylphosphine))aluminium 
 tetrachloroaluminate 
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   19.631(5)
_cell_length_b                   16.157(4)
_cell_length_c                   34.831(8)
_cell_measurement_reflns_used    22170
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.7
_cell_volume                     11048(5)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r11 (Rigaku, 2011)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r11 (Rigaku, 2011)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r11 (Rigaku, 2011)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Mitegen
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1169
_diffrn_reflns_av_sigmaI/netI    0.0592
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            92232
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.73
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.5
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.916
_exptl_absorpt_correction_T_max  0.9556
_exptl_absorpt_correction_T_min  0.9471
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrystalClear-SM Expert 2.0 r11 (Rigaku, 2011)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.363
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             4672
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.850
_refine_diff_density_min         -0.460
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     449
_refine_ls_number_reflns         10858
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0871
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0333P)^2^+25.5662P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0985
_refine_ls_wR_factor_ref         0.1148
_reflns_number_gt                7635
_reflns_number_total             10858
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c4dt02051k2.cif
_cod_data_source_block           '[AlCl2{Me2P(CH2)2Me2}2][AlCl4]'
_cod_depositor_comments
'Adding full bibliography for 7031945--7031955.cif.'
_cod_database_code               7031950