An Axially Chiral 1,1′-Biazulene and Its π-Extended Derivative: Synthesis, Structures and Properties
Chaolumen, Chaolumen; Ito, Hideto; Itami, Kenichiro; Chemical Communications  (2019) –; doi:10.1039/C9CC03510A

data_7123838
_publ_section_title
;
 An Axially Chiral 1,1&#x2032;-Biazulene and Its \p-Extended Derivative:
 Synthesis, Structures and Properties
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC03510A
_journal_year                    2019
_chemical_absolute_configuration unk
_chemical_formula_sum            'C56 H38'
_chemical_formula_weight         710.86
_chemical_name_systematic        'compound 1'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yab'
_space_group_name_H-M_alt        'P 1 21/a 1'
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-02-26 deposited with the CCDC.    2019-07-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 111.978(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.704(2)
_cell_length_b                   9.6416(8)
_cell_length_c                   20.416(2)
_cell_measurement_reflns_used    9856
_cell_measurement_temperature    123
_cell_measurement_theta_max      25.4
_cell_measurement_theta_min      3.1
_cell_volume                     3779.3(6)
_computing_cell_refinement
;
Rigaku CrystalClear-SM Expert 2.1 b29
;
_computing_data_collection
;
Rigaku CrystalClear-SM Expert 2.1 b29
;
_computing_data_reduction
;
Rigaku CrystalClear-SM Expert 2.1 b29
;
_computing_molecular_graphics    'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_publication_material  'Yadokari-XG 2009 (Wakita,Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 5.8140
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Pilatus 200K'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0250
_diffrn_reflns_av_unetI/netI     0.0143
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            40422
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.000
_diffrn_reflns_theta_min         3.130
_diffrn_source                   'Rotating Anode'
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.865
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Blue
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_description       Block
_exptl_crystal_F_000             1496
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: CHC3/hexane'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.192
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         6644
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.0322
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0401P)^2^+1.1908P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0792
_refine_ls_wR_factor_ref         0.0825
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5871
_reflns_number_total             6644
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc03510a2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_space_group_crystal_system' value 'Monoclinic' changed to
'monoclinic' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7123838
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.986
_shelx_estimated_absorpt_t_max   0.989
_shelx_res_checksum              97138