Importance of Out-of-State Spin-Orbit Coupling for Slow Magnetic Relaxation in Mononuclear FeII Complexes
Po-Heng Lin; Nathan C. Smythe; Serge I. Gorelsky; Steven Maguire; Neil J. Henson; Ilia Korobkov; Brian L. Scott; John C. Gordon; R. Tom Baker; Muralee Murugesu; Journal of the American Chemical Society 133 (2011) 15806–15809; doi:10.1021/ja203845x

data_4106901
_publ_section_title
;
 Importance of Out-of-State Spin-Orbit Coupling for Slow Magnetic
 Relaxation in Mononuclear FeII Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15806
_journal_page_last               15809
_journal_paper_doi               10.1021/ja203845x
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C30 H69 Fe N2 P Si4'
_chemical_formula_weight         657.05
_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                 90.3290(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0279(9)
_cell_length_b                   15.7960(12)
_cell_length_c                   20.3153(16)
_cell_measurement_temperature    120(1)
_cell_volume                     3859.7(5)
_computing_cell_refinement       'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_data_collection       'APEX II, v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_publication_material  'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(1)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.938
_diffrn_measurement_device_type  'Bruker D8 with APEXII CCD'
_diffrn_measurement_method       '\w 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  0.0687
_diffrn_reflns_av_sigmaI/netI    0.0588
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            43164
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         28.36
_diffrn_reflns_theta_min         1.97
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.577
_exptl_absorpt_correction_T_max  0.9236
_exptl_absorpt_correction_T_min  0.8459
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v. 1 (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_description       block
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.124
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     355
_refine_ls_number_reflns         9060
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.124
_refine_ls_R_factor_all          0.0606
_refine_ls_R_factor_gt           0.0388
_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^)+(0.0364P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0960
_reflns_number_gt                6733
_reflns_number_total             9060
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja203845x_si_004.cif
_cod_data_source_block           apx1282
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4106901