σ- vs π-Bonding in Manganese(II) Allyl Complexes
Engerer, Laura K.; Carlson, Christin N.; Hanusa, Timothy P.; Brennessel, William W.; Young, Victor G.; Organometallics 31 (2012) 6131–; doi:10.1021/om300478v

data_4079090
_publ_section_title
;
 \s- vs \p-Bonding in Manganese(II) Allyl Complexes
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              6131
_journal_paper_doi               10.1021/om300478v
_journal_volume                  31
_journal_year                    2012
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C26 H58 Mn O2 Si4'
_chemical_formula_sum            'C26 H58 Mn O2 Si4'
_chemical_formula_weight         570.02
_chemical_name_common            02082
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           152
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 31 2"'
_symmetry_space_group_name_H-M   'P 31 2 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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   9.820(1)
_cell_length_b                   9.820(1)
_cell_length_c                   32.530(8)
_cell_measurement_reflns_used    3758
_cell_measurement_temperature    173(2)
_cell_volume                     2716.7(8)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics    'SHELXTL, Bruker'
_computing_structure_refinement  SHELXL-97
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART Platform CCD'
_diffrn_measurement_method       'area detector, 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  0.0311
_diffrn_reflns_av_sigmaI/netI    0.0226
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            16226
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.515
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.899735
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing, 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.045
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             933
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.227
_refine_diff_density_min         -0.138
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.43(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     179
_refine_ls_number_reflns         3218
_refine_ls_number_restraints     28
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0362
_refine_ls_R_factor_gt           0.0330
_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^)+(0.0483P)^2^+0.7784P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0833
_refine_ls_wR_factor_ref         0.0855
_reflns_number_gt                3006
_reflns_number_total             3218
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300478v_si_002.cif
_cod_data_source_block           02082
_cod_original_sg_symbol_H-M      P3(1)21
_cod_database_code               4079090