Generation and Trapping of Radicals Derived from Cyclobutadieneiron Tricarbonyl
Byers, Jeffrey H.; Sontum, Stephen F.; Dimitrova, Tina S.; Huque, Sumaya; Zegarelli, Benjamin M.; Zhang, Yong; Jasinski, Jerry P.; Butcher, Raymond J.; Organometallics 25 (2006) 3787–; doi:10.1021/om060263n

data_4075391
_publ_section_title
;
 Generation and Trapping of Radicals Derived from Cyclobutadieneiron
 Tricarbonyl
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              3787
_journal_paper_doi               10.1021/om060263n
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C30 H16 Fe2 N2 O14'
_chemical_formula_weight         740.15
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.220(5)
_cell_angle_beta                 102.548(5)
_cell_angle_gamma                94.062(5)
_cell_formula_units_Z            2
_cell_length_a                   9.248(3)
_cell_length_b                   11.433(3)
_cell_length_c                   14.689(4)
_cell_measurement_reflns_used    3929
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.28
_cell_volume                     1456.8(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.954
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0356
_diffrn_reflns_av_sigmaI/netI    0.0766
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11275
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    1.075
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8118
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            pale
_exptl_crystal_density_diffrn    1.687
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             748
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.598
_refine_diff_density_min         -0.665
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         6920
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0900
_refine_ls_R_factor_gt           0.0492
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0549P)^2^+0.0528P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1036
_refine_ls_wR_factor_ref         0.1193
_reflns_number_gt                4604
_reflns_number_total             6920
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060263nsi20060323_040924.cif
_cod_data_source_block           jerry22m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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      P-1
_cod_database_code               4075391