Preparation and structures of coordination complexes of the very hard Lewis acids ZrF4 and HfF4.
Benjamin, Sophie L.; Levason, William; Pugh, David; Reid, Gillian; Zhang, Wenjian; Dalton transactions (Cambridge, England : 2003) 41 (2012) 12548–12557; doi:10.1039/c2dt31501g

data_7030280
_publ_section_title
;
 Preparation and structures of coordination complexes of the very hard
 Lewis acids ZrF4 and HfF4.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12548
_journal_page_last               12557
_journal_paper_doi               10.1039/c2dt31501g
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety
'3(C27 H37 N2 1+), F15 Zr3 3-, 4(C4 H8 O), 0.55(C H2 Cl2)'
_chemical_formula_sum            'C97.55 H144.1 Cl1.1 F15 N6 O4 Zr3'
_chemical_formula_weight         2062.54
_chemical_name_systematic
;
tris(1,3-bis(2,6-diisopropylphenyl)-1H-imidazolium)
tri(mu~2~-fluoro)dodecafluorotrizirconium(IV) tetrahydrofuran solvate
dichloromethane solvate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2012-06-22
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                81.698(16)
_cell_angle_beta                 85.337(17)
_cell_angle_gamma                66.454(13)
_cell_formula_units_Z            2
_cell_length_a                   15.935(4)
_cell_length_b                   17.240(4)
_cell_length_c                   21.679(7)
_cell_measurement_reflns_used    13959
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.4
_cell_measurement_theta_min      2.2
_cell_volume                     5401(3)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r7 (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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0707
_diffrn_reflns_av_sigmaI/netI    0.0988
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            46126
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.92
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.5
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.382
_exptl_absorpt_correction_T_max  0.9924
_exptl_absorpt_correction_T_min  0.9737
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2154.2
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.480
_refine_diff_density_min         -0.998
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1062
_refine_ls_number_reflns         19032
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.1229
_refine_ls_R_factor_gt           0.1010
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0616P)^2^+23.9188P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2098
_refine_ls_wR_factor_ref         0.2231
_reflns_number_gt                15511
_reflns_number_total             19032
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c2dt31501g.txt
_cod_data_source_block           2012dcp028
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_formula_sum        'C97.55 H144.10 Cl1.10 F15 N6 O4 Zr3'
_cod_database_code               7030280