A Photochemical Metallocene Route to Anionic Enediynes: Synthesis, Solid-State Structures, and ab Initio Computations on Cyclopentadienidoenediynes
Joseph M. O'Connor; Kim K. Baldridge; Betsy L. Rodgers; Marissa Aubrey; Ryan L. Holland; W. Scott Kassel; Arnold L. Rheingold; Journal of the American Chemical Society 132 (2010) 11030–11032; doi:10.1021/ja105149k

data_4102850
_publ_section_title
;
 A Photochemical Metallocene Route to Anionic Enediynes: Synthesis,
 Solid-State Structures, and ab Initio Computations on
 Cyclopentadienidoenediynes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11030
_journal_page_last               11032
_journal_paper_doi               10.1021/ja105149k
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C28 H18 Fe O2'
_chemical_formula_sum            'C28 H18 Fe O2'
_chemical_formula_weight         442.296
_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                91.3170(10)
_cell_angle_beta                 105.9340(10)
_cell_angle_gamma                95.1630(10)
_cell_formula_units_Z            8
_cell_length_a                   12.3912(8)
_cell_length_b                   18.5430(12)
_cell_length_c                   19.2709(12)
_cell_measurement_reflns_used    8240
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.41
_cell_volume                     4235.2(5)
_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      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.951
_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  0.0172
_diffrn_reflns_av_sigmaI/netI    0.0273
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            37112
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         1.10
_exptl_absorpt_coefficient_mu    0.736
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.801
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.549
_refine_diff_density_min         -0.282
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1405
_refine_ls_number_reflns         18518
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.0334
_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^)+(0.0504P)^2^+0.9834P] wHere P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0872
_refine_ls_wR_factor_ref         0.0895
_reflns_number_gt                16234
_reflns_number_total             18518
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja105149k_si_003.cif
_cod_data_source_block           betsy3
_cod_database_code               4102850