Synthesis, Structure, and Supramolecular Architecture of Benzonitrile and Pyridine Adducts of Bis(pentafluorophenyl)zinc: Pentafluorophenyl‒Aryl Interactions versus Homoaromatic Pairing
Martin, Eddy; Spendley, Claire; Mountford, Andrew J.; Coles, Simon J.; Horton, Peter N.; Hughes, David L.; Hursthouse, Michael B.; Lancaster, Simon J.; Organometallics 27 (2008) 1436–; doi:10.1021/om701127p

data_4070930
_publ_section_title
;
 Synthesis, Structure, and Supramolecular Architecture of Benzonitrile and
 Pyridine Adducts of Bis(pentafluorophenyl)zinc: Pentafluorophenyl--Aryl
 Interactions versus Homoaromatic Pairing
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1436
_journal_paper_doi               10.1021/om701127p
_journal_volume                  27
_journal_year                    2008
_chemical_formula_moiety         'C22 H10 F10 N2 Zn'
_chemical_formula_structural     '[(C5H4N)2 Zn (C6F5)2]'
_chemical_formula_sum            'C22 H10 F10 N2 Zn'
_chemical_formula_weight         557.69
_chemical_name_common            'Compound 4'
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 106.979(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.1446(9)
_cell_length_b                   10.2398(7)
_cell_length_c                   13.2794(6)
_cell_measurement_reflns_used    4967
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     2099.6(2)
_computing_cell_refinement       'DENZO, COLLECT'
_computing_data_reduction        'DENZO, COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD Area Detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0273
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            24806
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.09
_diffrn_standards_decay_%        negligible
_diffrn_standards_number         nonne
_exptl_absorpt_coefficient_mu    1.271
_exptl_absorpt_correction_T_max  0.8035
_exptl_absorpt_correction_T_min  0.7016
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.764
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.411
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.0036(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         4811
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0349
_refine_ls_R_factor_gt           0.0269
_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^)+(0.0389P)^2^+0.7291P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0695
_refine_ls_wR_factor_ref         0.0722
_reflns_number_gt                4156
_reflns_number_total             4811
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om701127p-file002.cif
_cod_data_source_block           4
_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)/c
_cod_database_code               4070930