Synthesis of Heterocyclic-Fused Cyclopentadienyl Scandium Complexes and the Catalysis for Copolymerization of Ethylene and Dicyclopentadiene
Chen, Runhai; Yao, Changguang; Wang, Meiyan; Xie, Hongyan; Wu, Chunji; Cui, Dongmei; Organometallics 34 (2015) 455–; doi:10.1021/om500992v

data_4085181
_publ_section_title
;
 Synthesis of Heterocyclic-Fused Cyclopentadienyl Scandium Complexes and
 the Catalysis for Copolymerization of Ethylene and Dicyclopentadiene
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              455
_journal_paper_doi               10.1021/om500992v
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C26 H42 N O Sc Si2'
_chemical_formula_weight         485.75
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 124.436(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.532(2)
_cell_length_b                   15.3966(15)
_cell_length_c                   19.1942(18)
_cell_measurement_temperature    185(2)
_cell_volume                     5735.6(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      185(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0812
_diffrn_reflns_av_sigmaI/netI    0.0878
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16521
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    0.357
_exptl_absorpt_correction_T_max  0.9484
_exptl_absorpt_correction_T_min  0.9321
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.125
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.352
_refine_diff_density_min         -0.346
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         5045
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.1133
_refine_ls_R_factor_gt           0.0628
_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^)+(0.0697P)^2^+0.0186P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1380
_refine_ls_wR_factor_ref         0.1656
_reflns_number_gt                3061
_reflns_number_total             5045
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500992v_si_002.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 4085181--4085183.cif.
;
_cod_original_cell_volume        5735.6(10)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4085181