A pendant proton shuttle on [Fe4N(CO)12]−alters product selectivity in formate vs. H2production via the hydride [H‒Fe4N(CO)12]−
Loewen, Natalia D.; Thompson, Emily J.; Kagan, Michael; Banales, Carolina L.; Myers, Thomas W.; Fettinger, James C.; Berben, Louise A.; Chem. Sci. 7 (2016) 2728–; doi:10.1039/C5SC03169A

data_1543020
_publ_section_title
;
 A pendant proton shuttle on [Fe4N(CO)12]&#x2212;alters product
 selectivity in formate vs. H2production via the hydride
 [H--Fe4N(CO)12]&#x2212;
;
_journal_issue                   4
_journal_name_full               'Chem. Sci.'
_journal_page_first              2728
_journal_paper_doi               10.1039/C5SC03169A
_journal_volume                  7
_journal_year                    2016
_chemical_formula_moiety         'C29 H15 Fe4 N O11 P, C8 H20 N, C4 H8 O'
_chemical_formula_sum            'C41 H43 Fe4 N2 O12 P'
_chemical_formula_weight         1010.14
_chemical_name_common            '[Et4N][Fe4N(CO)11PPh3]'
_chemical_properties_physical    'Air-sensitive, Moisture-sensitive'
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-08-14 deposited with the CCDC.
2016-01-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.408(1)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   25.630(2)
_cell_length_b                   10.6233(8)
_cell_length_c                   31.622(2)
_cell_measurement_reflns_used    9522
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      2.41
_cell_volume                     8571.6(11)
_computing_cell_refinement       'SAINT (8.34a) (Bruker, 2013)'
_computing_data_collection       'Apex2 (2014.9-1) (Bruker, 2014)'
_computing_data_reduction        'SAINT (8.34a) (Bruker, 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2014)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0208
_diffrn_reflns_av_unetI/netI     0.0174
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            37485
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.883
_diffrn_reflns_theta_min         2.407
_exptl_absorpt_coefficient_mu    1.428
_exptl_absorpt_correction_T_max  0.7086
_exptl_absorpt_correction_T_min  0.6321
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2014/3 (Sheldrick, 2014)'
_exptl_crystal_colour            Black
_exptl_crystal_density_diffrn    1.566
_exptl_crystal_description       Block
_exptl_crystal_F_000             4144
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: hexanes'
_exptl_crystal_size_max          0.369
_exptl_crystal_size_mid          0.334
_exptl_crystal_size_min          0.292
_refine_diff_density_max         0.461
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     595
_refine_ls_number_reflns         10203
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0264
_refine_ls_R_factor_gt           0.0229
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0301P)^2^+6.6058P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0572
_refine_ls_wR_factor_ref         0.0590
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9215
_reflns_number_total             10203
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5sc03169a2.cif
_cod_data_source_block           MK1FMI
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_cell_volume        8571.4(11)
_cod_database_code               1543020
_shelx_estimated_absorpt_t_min   0.621
_shelx_estimated_absorpt_t_max   0.681
_shelxl_version_number           2014/6
_shelx_res_checksum              13441
_shelx_hkl_checksum              58533