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_7017283
_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 I O2)2 Cu
;
_chemical_formula_sum            'C22 H20 Cu I2 O4'
_chemical_formula_weight         665.72
_chemical_name_systematic
;
AS-10 2-(4-iodophenyl)-2,4-pentanedione, copper(II) nitrate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 101.525(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.2510(4)
_cell_length_b                   7.7262(4)
_cell_length_c                   17.8085(10)
_cell_measurement_reflns_used    4770
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      33.69
_cell_measurement_theta_min      2.88
_cell_volume                     1112.38(10)
_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 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0525
_diffrn_reflns_av_sigmaI/netI    0.0540
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13650
_diffrn_reflns_theta_full        33.72
_diffrn_reflns_theta_max         33.72
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    3.782
_exptl_absorpt_correction_T_max  0.6195
_exptl_absorpt_correction_T_min  0.4397
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.988
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             638
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.918
_refine_diff_density_min         -0.907
_refine_diff_density_rms         0.137
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     135
_refine_ls_number_reflns         4394
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0434
_refine_ls_R_factor_gt           0.0349
_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^)+(0.0300P)^2^+0.7000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.0898
_reflns_number_gt                3699
_reflns_number_total             4394
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10911a.txt
_cod_data_source_block           5Cu
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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      P2(1)/n
_cod_database_code               7017283