Fluoride-bridged {Ln2Cr2} polynuclear complexes from semi-labile mer-[CrF3(py)3] and [Ln(hfac)3(H2O)2].
Thuesen, Christian Aa; Pedersen, Kasper S.; Schau-Magnussen, Magnus; Evangelisti, Marco; Vibenholt, Johan; Piligkos, Stergios; Weihe, Høgni; Bendix, Jesper; Dalton transactions (Cambridge, England : 2003) 41 (2012) 11284–11292; doi:10.1039/c2dt31302b

data_7020347
_publ_section_title
;
 Fluoride-bridged {Ln2Cr2} polynuclear complexes from semi-labile
 mer-[CrF3(py)3] and [Ln(hfac)3(H2O)2].
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11284
_journal_page_last               11292
_journal_paper_doi               10.1039/c2dt31302b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C50 H28 Cr2 F40 Gd2 N4 O14'
_chemical_formula_sum            'C50 H28 Cr2 F40 Gd2 N4 O14'
_chemical_formula_weight         2087.26
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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_method           SHELXL-97
_cell_angle_alpha                65.482(10)
_cell_angle_beta                 78.496(14)
_cell_angle_gamma                77.792(12)
_cell_formula_units_Z            1
_cell_length_a                   12.158(3)
_cell_length_b                   12.5405(14)
_cell_length_c                   12.5573(10)
_cell_measurement_reflns_used    38806
_cell_measurement_temperature    122(1)
_cell_measurement_theta_max      40.00
_cell_measurement_theta_min      2.29
_cell_volume                     1689.1(5)
_computing_cell_refinement       'COLLECT (Nonius, 1999)'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction        'EvalCCD (Duisenberg et al., 2003)'
_computing_molecular_graphics
;
Ortep-3 (Farrugia, 1997) and Mercury (Macrae et. al., 2006)
;
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      122(1)
_diffrn_measured_fraction_theta_full .998
_diffrn_measured_fraction_theta_max .998
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\w and \f scans'
_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  0.0935
_diffrn_reflns_av_sigmaI/netI    0.0799
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            90679
_diffrn_reflns_theta_full        40.00
_diffrn_reflns_theta_max         40.00
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    2.424
_exptl_absorpt_correction_T_max  0.850
_exptl_absorpt_correction_T_min  0.668
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    2.052
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1004
_exptl_crystal_size_max          0.175
_exptl_crystal_size_mid          0.089
_exptl_crystal_size_min          0.072
_refine_diff_density_max         1.517
_refine_diff_density_min         -1.587
_refine_diff_density_rms         .170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     508
_refine_ls_number_reflns         20879
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0654
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0000P)^2^+0.8938P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0921
_refine_ls_wR_factor_ref         0.1030
_reflns_number_gt                16431
_reflns_number_total             20879
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31302b.txt
_cod_data_source_block           kcd828_A2Gd_1Ln
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_database_code               7020347