Chameleon Behavior of a Newly Synthesized Scandium Nitrilimine Derivative
Jiaxiang Chu; Christos E. Kefalidis; Laurent Maron; Xuebing Leng; Yaofeng Chen; Journal of the American Chemical Society 135 (2013) 8165–8168; doi:10.1021/ja403387v

data_4119864
_publ_section_title
;
 Chameleon Behavior of a Newly Synthesized Scandium Nitrilimine Derivative
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8165
_journal_page_last               8168
_journal_paper_doi               10.1021/ja403387v
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C49 H76 N7 Sc Si'
_chemical_formula_weight         836.22
_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                86.914(5)
_cell_angle_beta                 81.086(5)
_cell_angle_gamma                82.425(5)
_cell_formula_units_Z            2
_cell_length_a                   9.342(3)
_cell_length_b                   13.128(4)
_cell_length_c                   20.113(6)
_cell_measurement_reflns_used    3518
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      28.30
_cell_measurement_theta_min      2.31
_cell_volume                     2414.2(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0483
_diffrn_reflns_av_sigmaI/netI    0.0817
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            16709
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.217
_exptl_absorpt_correction_T_max  0.9620
_exptl_absorpt_correction_T_min  0.9279
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.150
_exptl_crystal_description       block
_exptl_crystal_F_000             908
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.439
_refine_diff_density_min         -0.441
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     539
_refine_ls_number_reflns         9422
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1019
_refine_ls_R_factor_gt           0.0682
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1175P)^2^+1.5513P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1869
_refine_ls_wR_factor_ref         0.2125
_reflns_number_gt                6461
_reflns_number_total             9422
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja403387v_4.cif
_cod_data_source_block           mo_dm12623_0m
_cod_original_cell_volume        2414.1(12)
_cod_database_code               4119864