Spin Equilibria in Monomeric Manganocenes: Solid-State Magnetic and EXAFS Studies
Walter, Marc D.; Sofield, Chadwick D.; Booth, Corwin H.; Andersen, Richard A.; Organometallics 28 (2009) 2005–; doi:10.1021/om800922j

data_4068542
_publ_section_title
;
 Spin Equilibria in Monomeric Manganocenes: Solid-State Magnetic and EXAFS
 Studies
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              2005
_journal_paper_doi               10.1021/om800922j
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C22 H42 Mn Si4'
_chemical_formula_sum            'C22 H42 Mn Si4'
_chemical_formula_weight         473.86
_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                 97.3160(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7271(2)
_cell_length_b                   12.9706(3)
_cell_length_c                   20.4812(1)
_cell_measurement_reflns_used    4373
_cell_measurement_temperature    137(2)
_cell_measurement_theta_max      25.5
_cell_measurement_theta_min      2
_cell_volume                     2826.49(9)
_computing_cell_refinement       'Bruker SAINT V. 6.40'
_computing_data_collection       'Bruker SMART V. 5.054D'
_computing_data_reduction        'Bruker SAINT V. 6.40'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      137(2)
_diffrn_measured_fraction_theta_full 0.899
_diffrn_measured_fraction_theta_max 0.899
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       /w-scan
_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  0.0716
_diffrn_reflns_av_sigmaI/netI    0.0728
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            12447
_diffrn_reflns_theta_full        25.57
_diffrn_reflns_theta_max         25.57
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.642
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.859
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.114
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       wafer
_exptl_crystal_F_000             1020
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.544
_refine_diff_density_min         -0.530
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         4769
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0967
_refine_ls_R_factor_gt           0.0722
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1278P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1900
_refine_ls_wR_factor_ref         0.2005
_reflns_number_gt                3360
_reflns_number_total             4769
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800922j_si_002.cif
_cod_data_source_block           tms4Mn
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4068542