Halogen bonding or close packing? Examining the structural landscape in a series of Cu(ii)-acac complexes.
Aakeröy, Christer B; Sinha, Abhijeet S.; Chopade, Prashant D.; Desper, John; Dalton transactions (Cambridge, England : 2003) 40 (2011) 12160–12168; doi:10.1039/c1dt10911a

data_7017282
_publ_section_title
;
 Halogen bonding or close packing? Examining the structural landscape in a
 series of Cu(ii)-acac complexes.
;
_journal_issue                   45
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12160
_journal_page_last               12168
_journal_paper_doi               10.1039/c1dt10911a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety
;
(C11 H10 Br O2)2 (Cu)
;
_chemical_formula_sum            'C22 H20 Br2 Cu O4'
_chemical_formula_weight         571.74
_chemical_name_systematic
;
AS-6 bis[2-(4-bromophenyl)-2,4-pentanedionato]copper(II)
;
_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   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            8
_cell_length_a                   12.0389(11)
_cell_length_b                   15.8409(12)
_cell_length_c                   22.1627(17)
_cell_measurement_reflns_used    2565
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      33.24
_cell_measurement_theta_min      3.16
_cell_volume                     4226.6(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0466
_diffrn_reflns_av_sigmaI/netI    0.0405
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            9902
_diffrn_reflns_theta_full        33.47
_diffrn_reflns_theta_max         33.47
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    4.841
_exptl_absorpt_correction_T_max  0.5506
_exptl_absorpt_correction_T_min  0.3443
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.797
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2264
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.459
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     70
_refine_ls_number_reflns         2055
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0501
_refine_ls_R_factor_gt           0.0313
_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^)+(0.0300P)^2^+6.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0737
_refine_ls_wR_factor_ref         0.0806
_reflns_number_gt                1497
_reflns_number_total             2055
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10911a.txt
_cod_data_source_block           4Cu
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Fddd
_cod_database_code               7017282