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_4119866
_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            'C53 H77 N9 Sc Si'
_chemical_formula_weight         913.29
_chemical_name_systematic
; 
 ? 
;
_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                85.338(2)
_cell_angle_beta                 75.162(2)
_cell_angle_gamma                72.930(2)
_cell_formula_units_Z            2
_cell_length_a                   12.2682(13)
_cell_length_b                   12.3135(13)
_cell_length_c                   18.995(2)
_cell_measurement_reflns_used    4685
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      28.62
_cell_measurement_theta_min      2.32
_cell_volume                     2651.5(5)
_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      153(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0475
_diffrn_reflns_av_sigmaI/netI    0.0904
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            22757
_diffrn_reflns_theta_full        28.77
_diffrn_reflns_theta_max         28.77
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.204
_exptl_absorpt_correction_T_max  0.9899
_exptl_absorpt_correction_T_min  0.9451
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.144
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             986
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.579
_refine_diff_density_min         -0.544
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.993
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     613
_refine_ls_number_reflns         13629
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      0.993
_refine_ls_R_factor_all          0.1071
_refine_ls_R_factor_gt           0.0538
_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^)+(0.0817P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1336
_refine_ls_wR_factor_ref         0.1626
_reflns_number_gt                8317
_reflns_number_total             13629
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja403387v_6.cif
_cod_data_source_block           mo_dm12325_0m
_cod_database_code               4119866