Straightforward synthesis of iron cyclopentadienone N-heterocyclic carbene complexes.
Cingolani, Andrea; Cesari, Cristiana; Zacchini, Stefano; Zanotti, Valerio; Cassani, Maria Cristina; Mazzoni, Rita; Dalton transactions (Cambridge, England : 2003) 44 (2015) 19063–19067; doi:10.1039/c5dt03071d

data_7036801
_publ_section_title
;
 Straightforward synthesis of iron cyclopentadienone N-heterocyclic
 carbene complexes.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              19063
_journal_page_last               19067
_journal_paper_doi               10.1039/c5dt03071d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C22 H34 Fe N2 O3 Si2'
_chemical_formula_weight         486.54
_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
_audit_update_record
;
2015-08-03 deposited with the CCDC.
2015-10-07 downloaded from the CCDC.
;
_cell_angle_alpha                75.869(2)
_cell_angle_beta                 77.444(2)
_cell_angle_gamma                76.216(2)
_cell_formula_units_Z            2
_cell_length_a                   8.3374(2)
_cell_length_b                   10.1477(3)
_cell_length_c                   15.9325(4)
_cell_measurement_reflns_used    3915
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.8895
_cell_measurement_theta_min      2.552
_cell_volume                     1251.27(6)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1996)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0497
_diffrn_reflns_av_unetI/netI     0.0491
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            21430
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.34
_exptl_absorpt_coefficient_mu    0.723
_exptl_absorpt_correction_T_max  0.9247
_exptl_absorpt_correction_T_min  0.8809
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption correction SADABS).
 R(int) =  0.1056 (selected reflections only, before parameter refinement)
 R(int) =  0.0477 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.291
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             516
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         5441
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0369P)^2^+0.5156P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0849
_refine_ls_wR_factor_ref         0.0987
_reflns_number_gt                3782
_reflns_number_total             5441
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt03071d2.cif
_cod_data_source_block           10a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7036797--7036801.cif.
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7036801