Diels‒Alder Reactions of 9-Ferrocenyl- and 9,10-Diferrocenylanthracene: Steric Control of 9,10- versus 1,4-Cycloaddition
Nikitin, Kirill; Müller-Bunz, Helge; McGlinchey, Michael J.; Organometallics 32 (2013) 6118–; doi:10.1021/om400762f

data_4081658
_publ_section_title
;
 Diels--Alder Reactions of 9-Ferrocenyl- and 9,10-Diferrocenylanthracene:
 Steric Control of 9,10- versus 1,4-Cycloaddition
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              6118
_journal_paper_doi               10.1021/om400762f
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C30 H24 Fe O4, C6 H12'
_chemical_formula_sum            'C36 H36 Fe O4'
_chemical_formula_weight         588.50
_chemical_name_systematic
; 
 ? 
;
_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                 100.2773(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.66116(5)
_cell_length_b                   19.01487(7)
_cell_length_c                   14.44604(6)
_cell_measurement_reflns_used    31481
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      76.3136
_cell_measurement_theta_min      3.8795
_cell_volume                     2881.52(2)
_computing_cell_refinement
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET) 
(compiled Jan  5 2010,16:28:46) 
;
_computing_data_collection
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET) 
(compiled Jan  5 2010,16:28:46) 
;
_computing_data_reduction
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET) 
(compiled Jan  5 2010,16:28:46) 
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3196
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0158
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            45322
_diffrn_reflns_theta_full        75.00
_diffrn_reflns_theta_max         76.51
_diffrn_reflns_theta_min         3.88
_exptl_absorpt_coefficient_mu    4.508
_exptl_absorpt_correction_T_max  0.713
_exptl_absorpt_correction_T_min  0.414
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET) 
(compiled Jan  5 2010,16:28:46) 
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.2981
_exptl_crystal_size_mid          0.2071
_exptl_crystal_size_min          0.0951
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.361
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     372
_refine_ls_number_reflns         5979
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0282
_refine_ls_R_factor_gt           0.0263
_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^)+(0.0447P)^2^+0.5592P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0740
_reflns_number_gt                5547
_reflns_number_total             5979
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om400762f_si_002.cif
_cod_data_source_block           mjm354(16)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4081658