Synthetic Modification of Acyclic Bent Allenes (Carbodicarbenes) and Further Studies on Their Structural Implications and Reactivities
Chen, Wen-Ching; Hsu, Yu-Chen; Lee, Ching-Yu; Yap, Glenn P. A.; Ong, Tiow-Gan; Organometallics 32 (2013) 2435–; doi:10.1021/om400139s

data_4080623
_publ_section_title
;
 Synthetic Modification of Acyclic Bent Allenes (Carbodicarbenes) and
 Further Studies on Their Structural Implications and Reactivities
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2435
_journal_paper_doi               10.1021/om400139s
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C23 H28 N4'
_chemical_formula_weight         360.49
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           41
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_symmetry_space_group_name_Hall  'A 2 -2ab'
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_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.1461(8)
_cell_length_b                   16.6023(11)
_cell_length_c                   7.7760(3)
_cell_measurement_reflns_used    3886
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.0255
_cell_measurement_theta_min      2.8868
_cell_volume                     1955.35(18)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4875
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.942
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_measurement_method       '\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  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0284
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10877
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.09
_diffrn_reflns_theta_min         3.19
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98516
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1(6)
_refine_ls_extinction_coef       0.011(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     128
_refine_ls_number_reflns         2603
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.1012
_refine_ls_R_factor_gt           0.0760
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1010P)^2^+2.0708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1986
_refine_ls_wR_factor_ref         0.2209
_reflns_number_gt                1942
_reflns_number_total             2603
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400139s_si_003.cif
_cod_data_source_block           i13002a
_cod_original_sg_symbol_H-M      Aba2
_cod_database_code               4080623