Ferrocene-Based Bis(guanidines): Superbases for Tridentate N,Fe,N-Coordination
Klapp, Lutz R. R.; Bruhn, Clemens; Leibold, Michael; Siemeling, Ulrich; Organometallics 32 (2013) 5862–; doi:10.1021/om400454v

data_4081518
_publ_section_title
;
 Ferrocene-Based Bis(guanidines): Superbases for Tridentate
 N,Fe,N-Coordination
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5862
_journal_paper_doi               10.1021/om400454v
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C20 H32 Fe N6, H2 O'
_chemical_formula_sum            'C20 H34 Fe N6 O'
_chemical_formula_weight         430.38
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 106.222(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3260(9)
_cell_length_b                   9.0104(4)
_cell_length_c                   19.0175(13)
_cell_measurement_reflns_used    18547
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.59
_cell_measurement_theta_min      1.59
_cell_volume                     2192.6(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details      ' 180 frames, detector distance = 135 mm'
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '0.5 mm diameter, multiple pinhole'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0434
_diffrn_reflns_av_sigmaI/netI    0.0272
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13676
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.59
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           30
_diffrn_source_power             1.50
_diffrn_source_voltage           50
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.710
_exptl_absorpt_correction_T_max  0.8953
_exptl_absorpt_correction_T_min  0.7800
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'X-red ver. 1.31 (Stoe & Cie. 2005)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.272
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     267
_refine_ls_number_reflns         3841
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0299
_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^)+(0.0437P)^2^+0.6599P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0794
_refine_ls_wR_factor_ref         0.0812
_reflns_number_gt                3420
_reflns_number_total             3841
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400454v_si_002.cif
_cod_data_source_block           i0936
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4081518