The chemistry of hydridocarbonylferrates revisited: syntheses and structures of the new [H(2)Fe(4)(CO)(12)](2-) and [HFe(5)(CO)(14)](3-) anions, and the [Fe(DMF)(4)][Fe(4)(CO)(12)(μ(5)-η(2)-CO)(μ-H)](2) adduct containing an unprecedented isocarbonyl.
Femoni, C.; Iapalucci, M. C.; Longoni, G.; Zacchini, S.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 8685–8694; doi:10.1039/c1dt10648a

data_7016499
_publ_section_title
;
 The chemistry of hydridocarbonylferrates revisited: syntheses and
 structures of the new [H(2)Fe(4)(CO)(12)](2-) and [HFe(5)(CO)(14)](3-)
 anions, and the [Fe(DMF)(4)][Fe(4)(CO)(12)(\m(5)-\h(2)-CO)(\m-H)](2)
 adduct containing an unprecedented isocarbonyl.
;
_journal_issue                   34
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8685
_journal_page_last               8694
_journal_paper_doi               10.1039/c1dt10648a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C11 H Fe3 K O11'
_chemical_formula_weight         515.77
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 95.4120(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8829(8)
_cell_length_b                   9.0508(6)
_cell_length_c                   15.2353(11)
_cell_measurement_reflns_used    3029
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      24.8695
_cell_measurement_theta_min      2.6205
_cell_volume                     1631.25(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_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  0.0503
_diffrn_reflns_av_sigmaI/netI    0.0449
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18270
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    2.944
_exptl_absorpt_correction_T_max  0.7190
_exptl_absorpt_correction_T_min  0.5905
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            dark-red
_exptl_crystal_density_diffrn    2.100
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.434
_refine_diff_density_min         -0.358
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3868
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0289P)^2^+0.1357P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0638
_refine_ls_wR_factor_ref         0.0728
_reflns_number_gt                2688
_reflns_number_total             3868
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10648a.txt
_cod_data_source_block           p21cc
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7016499