Tetranuclear copper(I) clusters: impact of bridging carboxylate ligands on solid state structure and photoluminescence
Sevryugina, Yulia; Hietsoi, Oleksandr; Petrukhina, Marina A.; Chemical Communications (Cambridge, United Kingdom)  (2007) 3853–3855; doi:10.1039/b707957e

data_7102141
_publ_section_title
;
 Tetranuclear copper(I) clusters: impact of bridging carboxylate ligands
 on solid state structure and photoluminescence
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   37
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              3853
_journal_page_last               3855
_journal_paper_doi               10.1039/b707957e
_journal_year                    2007
_chemical_formula_moiety
;
[Cu4 (O2 C F3 C6 H2)4]
;
_chemical_formula_sum            'C28 H8 Cu4 F12 O8'
_chemical_formula_weight         954.50
_chemical_melting_point          ?
_chemical_name_common
tetra-(2,3,4-trifluorobenzoato-O,O')-tetracopper(I,I,I,I)
_chemical_name_systematic
;
tetra-(2,3,4-trifluorobenzoato-O,O')-tetracopper(I,I,I,I)
;
_space_group_IT_number           70
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-F 2uv 2vw'
_symmetry_space_group_name_H-M   'F d d d :2'
_atom_sites_solution_hydrogens   difmap
_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            8
_cell_length_a                   15.7443(19)
_cell_length_b                   16.574(2)
_cell_length_c                   21.682(3)
_cell_measurement_reflns_used    5327
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.14
_cell_measurement_theta_min      3.09
_cell_volume                     5658.1(12)
_computing_cell_refinement       'SMART, SAINT'
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXP-01 (Sheldrick, 2001)'
_computing_publication_material  'SHELXCIF-01 (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-01 (Sheldrick, 2001)'
_computing_structure_solution    'SHELXS-01 (Sheldrick, 2001)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '0.3 deg wide \w exposures'
_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  0.0454
_diffrn_reflns_av_sigmaI/netI    0.0368
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            11397
_diffrn_reflns_theta_full        28.21
_diffrn_reflns_theta_max         28.21
_diffrn_reflns_theta_min         2.02
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count na
_diffrn_standards_interval_time  na
_diffrn_standards_number         'none (area detector data)'
_exptl_absorpt_coefficient_mu    3.100
_exptl_absorpt_correction_T_max  0.8358
_exptl_absorpt_correction_T_min  0.7468
_exptl_absorpt_correction_type   'multi-scan (SADABS)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.241
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             3712
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.164
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.140
_refine_ls_extinction_coef       noref
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         1706
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0710P)^2^+1.0464P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0967
_refine_ls_wR_factor_ref         0.1074
_reflns_number_gt                1313
_reflns_number_total             1706
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b707957e.txt
_cod_data_source_block           '[Cu4(O2C(2,3,4-F)3C6H2)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 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'F d d d'
_cod_database_code               7102141