Slow Magnetic Relaxation in Intermediate Spin S = 3/2 Mononuclear Fe(III) Complexes.
Feng, Xiaowen; Hwang, Seung Jun; Liu, Jun-Liang; Chen, Yan-Cong; Tong, Ming-Liang; Nocera, Daniel G.; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b09699

data_4126717
_publ_section_title
;
 Slow Magnetic Relaxation in Intermediate Spin S = 3/2 Mononuclear Fe(III)
 Complexes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b09699
_journal_year                    2017
_chemical_formula_sum            'C6 H18 Cl3 Fe P2'
_chemical_formula_weight         314.34
_chemical_name_common            FeCl3(PMe3)2
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                   9.7630(3)
_cell_length_b                   10.5338(3)
_cell_length_c                   13.3513(4)
_cell_measurement_reflns_used    9920
_cell_measurement_temperature    20(2)
_cell_measurement_theta_max      17.161
_cell_measurement_theta_min      2.423
_cell_volume                     1373.07(7)
_computing_cell_refinement       'SAINT 8.35A (Bruker-AXS,2015)'
_computing_data_collection       'APEX3 v2016.1.0 (Bruker-AXS,2016)'
_computing_data_reduction        'SAINT 8.35A (Bruker-AXS,2015)'
_computing_molecular_graphics    'Bruker SHELXTL (Sheldrick,2015)'
_computing_publication_material  'Bruker SHELXTL (Sheldrick,2015)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      20(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type
;
Huber three-circle goniometer with free kappa with Pilatus 1M CdTe Pixel Array Detector
;
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'Si 1 1 1'
_diffrn_radiation_source         synchrotron
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.41328
_diffrn_reflns_av_R_equivalents  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0115
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            32245
_diffrn_reflns_theta_full        17.17
_diffrn_reflns_theta_max         17.17
_diffrn_reflns_theta_min         1.43
_exptl_absorpt_coefficient_mu    0.405
_exptl_absorpt_correction_T_max  0.9960
_exptl_absorpt_correction_T_min  0.9960
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.521
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             644
_exptl_crystal_size_max          0.01
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.766
_refine_diff_density_min         -0.334
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.138
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     68
_refine_ls_number_reflns         2183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0152
_refine_ls_R_factor_gt           0.0144
_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^)+(0.0188P)^2^+0.4292P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0401
_refine_ls_wR_factor_ref         0.0405
_reflns_number_gt                2103
_reflns_number_total             2183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja7b09699_si_002.cif
_cod_data_source_block           dark_a
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               4126717