Synthesis and characterisation of Dewar benzene‒ferrocene conjugates
Janková, Štěpánka; Císařová, Ivana; Uhlík, Filip; Štepnička, Petr; Kotora, Martin; Dalton Transactions  (2009) 3137–3139; doi:10.1039/b904488b

data_7001114
_publ_section_title
;
 Synthesis and characterisation of Dewar benzene--ferrocene conjugates
;
_journal_issue                   17
_journal_name_full               'Dalton Transactions'
_journal_page_first              3137
_journal_page_last               3139
_journal_paper_doi               10.1039/b904488b
_journal_year                    2009
_chemical_formula_moiety         'C23 H26 Fe O2'
_chemical_formula_sum            'C23 H26 Fe O2'
_chemical_formula_weight         390.29
_chemical_name_common
;2-ethoxycarbonyl-3-ferrocenyl-1,4,5,6-
tetramethylbicyclo(2.2.0)hexa-2,5-diene
;
_chemical_name_systematic
;
2-ethoxycarbonyl-3-ferrocenyl-1,4,5,6-tetramethylbicyclo[2.2.0]hexa-2,5-diene
;
_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                89.394(2)
_cell_angle_beta                 86.159(3)
_cell_angle_gamma                75.385(3)
_cell_formula_units_Z            2
_cell_length_a                   7.3695(2)
_cell_length_b                   10.1814(5)
_cell_length_c                   13.4315(6)
_cell_measurement_reflns_used    3964
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     972.97(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\w and \p scans to fill the Ewald sphere'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.036
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14778
_diffrn_reflns_theta_full        27.24
_diffrn_reflns_theta_max         27.24
_diffrn_reflns_theta_min         1.52
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.788
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.470
_refine_diff_density_min         -0.426
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         4282
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0343
_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^)+(0.0269P)^2^+0.6243P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0757
_refine_ls_wR_factor_ref         0.0800
_reflns_number_gt                3653
_reflns_number_total             4282
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b904488b.txt
_cod_data_source_block           js196
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7001114