Expanding Heteroscorpionates. Facile Synthesis of New Hybrid Scorpionate/Cyclopentadienyl Ligands and Their Lithium and Group 4 Metal Compounds: A Combined Experimental and Density Functional Theory Study
Otero, Antonio; Fernández-Baeza, Juan; Antiñolo, Antonio; Tejeda, Juan; Lara-Sánchez, Agustín; Sánchez-Barba, Luis F.; Sánchez-Molina, Margarita; Rodríguez, Ana M.; Bo, Carles; Urbano-Cuadrado, Manuel; Organometallics 26 (2007) 4310–; doi:10.1021/om7003942

data_4083691
_publ_section_title
;
 Expanding Heteroscorpionates. Facile Synthesis of New Hybrid
 Scorpionate/Cyclopentadienyl Ligands and Their Lithium and Group 4 Metal
 Compounds:&#x00A0; A Combined Experimental and Density Functional Theory
 Study
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              4310
_journal_paper_doi               10.1021/om7003942
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C23 H26 N4'
_chemical_formula_weight         358.48
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                106.294(3)
_cell_angle_beta                 96.654(3)
_cell_angle_gamma                94.664(3)
_cell_formula_units_Z            2
_cell_length_a                   8.9328(12)
_cell_length_b                   9.6301(13)
_cell_length_c                   12.1514(16)
_cell_measurement_reflns_used    2716
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.50
_cell_measurement_theta_min      2.219
_cell_volume                     989.4(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0513
_diffrn_reflns_av_sigmaI/netI    0.0744
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13538
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.9878
_exptl_absorpt_correction_T_min  0.8412
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.203
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.034
_refine_diff_density_min         -0.335
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         4883
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.1344
_refine_ls_R_factor_gt           0.0754
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1014P)^2^+0.5221P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1918
_refine_ls_wR_factor_ref         0.2199
_reflns_number_gt                2887
_reflns_number_total             4883
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7003942-file002.cif
_cod_data_source_block           3b
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4083691