Syntheses and Crystal Structures of "Unligated" Copper(I) and Copper(II) Trifluoroacetates
F. Albert Cotton; Evgeny V. Dikarev; Marina A. Petrukhina; Inorganic Chemistry 39 (2000) 6072–6079; doi:10.1021/ic000663h

data_4321695
_publ_section_title
;
 Syntheses and Crystal Structures of "Unligated" Copper(I) and Copper(II)
 Trifluoroacetates
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6072
_journal_page_last               6079
_journal_paper_doi               10.1021/ic000663h
_journal_volume                  39
_journal_year                    2000
_chemical_compound_source        synthesized
_chemical_formula_analytical     'not measured'
_chemical_formula_moiety         'Cu2 (O2 C C F3)4'
_chemical_formula_structural     '[Cu2(O2CCF3)4]'
_chemical_formula_sum            'C8 Cu2 F12 O8'
_chemical_formula_weight         579.16
_chemical_melting_point          ?
_chemical_name_systematic
; 
 Catena(bis(\m3-trifluoroacetato,O,O,O')-bis(/m2-trifluoroacetato,O,O')-
 -di-copper(II))
;
_space_group_IT_number           54
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2a 2ac'
_symmetry_space_group_name_H-M   'P c c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.911(1)
_cell_length_b                   10.5063(9)
_cell_length_c                   9.0357(6)
_cell_measurement_reflns_used    250
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      20.8
_cell_measurement_theta_min      8.0
_cell_volume                     1605.4(2)
_computing_cell_refinement       'MADNES (Enraf-Nonius, 1989)'
_computing_data_collection       'MADNES (Enraf-Nonius, 1989)'
_computing_data_reduction        'PROCOR (Kabsch, 1988)'
_computing_molecular_graphics    'SHELXTL V.5 (Siemens, 1994)'
_computing_publication_material  CIFTAB
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXTL V.5 (Siemens, 1994)'
_diffrn_ambient_temperature      213(2)
_diffrn_measurement_device       'Nonius FAST area detector'
_diffrn_measurement_method       'Ellipsoid-mask fitting'
_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  0.0897
_diffrn_reflns_av_sigmaI/netI    0.0428
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6734
_diffrn_reflns_theta_max         22.53
_diffrn_reflns_theta_min         2.41
_diffrn_standards_number         'none (area detector data)'
_exptl_absorpt_coefficient_mu    2.823
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            light-blue
_exptl_crystal_density_diffrn    2.396
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.667
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.118
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.109
_refine_ls_goodness_of_fit_obs   1.125
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         1050
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.148
_refine_ls_restrained_S_obs      1.168
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_obs          0.0616
_refine_ls_shift/esd_max         0.000
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0633P)^2^+13.7034P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1524
_refine_ls_wR_factor_obs         0.1458
_reflns_number_observed          948
_reflns_number_total             1050
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            ic000663h_3.cif
_cod_data_source_block           '[Cu2(O2CCF3)4](2)'
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1673 2011-04-08 12:14:43Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0633P)^2^+13.7034P] where P=(Fo^2^+2Fc^2^)/3'
was changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.0633P)^2^+13.7034P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_database_code               4321695