Synthesis and characterisation of selected group 14 derivatives of the 2,5-(CF(3))(2)C(6)H(3) (Ar) ligand.
Coffer, Philippa K.; Dillon, Keith B.; Howard, Judith A. K.; Yufit, Dmitry S.; Zorina, Natalia V.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 4460–4468; doi:10.1039/c2dt12369j

data_7018726
_publ_section_title
;
 Synthesis and characterisation of selected group 14 derivatives of the
 2,5-(CF(3))(2)C(6)H(3) (Ar) ligand.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4460
_journal_page_last               4468
_journal_paper_doi               10.1039/c2dt12369j
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C32 H12 Br2 F24 Ge2'
_chemical_formula_sum            'C32 H12 Br2 F24 Ge2'
_chemical_formula_weight         1157.42
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.5512(3)
_cell_length_b                   8.80090(10)
_cell_length_c                   20.5700(3)
_cell_measurement_reflns_used    9644
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.45
_cell_measurement_theta_min      2.51
_cell_volume                     3720.48(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD 6000'
_diffrn_measurement_method       \w-scan
_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  0.0390
_diffrn_reflns_av_sigmaI/netI    0.0267
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            30686
_diffrn_reflns_theta_full        29.50
_diffrn_reflns_theta_max         29.50
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    3.910
_exptl_absorpt_correction_T_max  0.5735
_exptl_absorpt_correction_T_min  0.3498
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.066
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2216
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.807
_refine_diff_density_min         -0.602
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         5183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0291
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+3.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0706
_refine_ls_wR_factor_ref         0.0774
_reflns_number_gt                4267
_reflns_number_total             5183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12369j.txt
_cod_data_source_block           8_s156
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7018726