Synthesis, Characterization, and Electrochemical Properties of a Series of Sterically Varied Iron(II) Alkoxide Precursors and Their Resultant Nanoparticles
Timothy J. Boyle; Leigh Anna M. Ottley; Christopher A. Apblett; Constantine A. Stewart; Sarah M. Hoppe; Krista L. Hawthorne; Mark A. Rodriguez; Inorganic Chemistry 50 (2011) 6174–6182; doi:10.1021/ic200423m

data_4325494
_publ_section_title
;
 Synthesis, Characterization, and Electrochemical Properties of a Series
 of Sterically Varied Iron(II) Alkoxide Precursors and Their Resultant
 Nanoparticles
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6174
_journal_page_last               6182
_journal_paper_doi               10.1021/ic200423m
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C34 H64 Fe N2 O8 Si2'
_chemical_formula_weight         740.90
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7648(6)
_cell_length_b                   10.7648(6)
_cell_length_c                   37.937(3)
_cell_measurement_reflns_used    4671
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      20.23
_cell_measurement_theta_min      2.18
_cell_volume                     4396.2(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      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0498
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            27121
_diffrn_reflns_theta_full        23.29
_diffrn_reflns_theta_max         23.29
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.440
_exptl_absorpt_correction_T_max  0.928
_exptl_absorpt_correction_T_min  0.916
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.119
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1600
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.224
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     222
_refine_ls_number_reflns         3160
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0533
_refine_ls_R_factor_gt           0.0463
_refine_ls_shift/su_max          0.016
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0636P)^2^+2.4540P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1119
_refine_ls_wR_factor_ref         0.1174
_reflns_number_gt                2832
_reflns_number_total             3160
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic200423m_si_001_08.cif
_cod_data_source_block           10ja272s
_cod_database_code               4325494