Microwave-assisted synthesis of novel hetero[5]helicene-like molecules and coumarin derivatives
Lin, Wei; Hu, Xiuxiu; Song, Shuai; Cai, Qi; Wang, Yun; Shi, DaQing; Org. Biomol. Chem.  (2017) –; doi:10.1039/C7OB01742A

data_7155853
_publ_section_title
;
 Microwave-assisted synthesis of novel hetero[5]helicene-like molecules
 and coumarin derivatives
;
_journal_name_full               'Org. Biomol. Chem.'
_journal_paper_doi               10.1039/C7OB01742A
_journal_year                    2017
_chemical_formula_sum            'C27 H23 N3 O'
_chemical_formula_weight         405.48
_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
_audit_update_record
;
2017-07-10 deposited with the CCDC.
2017-08-30 downloaded from the CCDC.
;
_cell_angle_alpha                104.061(2)
_cell_angle_beta                 106.620(2)
_cell_angle_gamma                100.8970(10)
_cell_formula_units_Z            4
_cell_length_a                   10.8840(9)
_cell_length_b                   14.4830(13)
_cell_length_c                   14.9970(12)
_cell_measurement_reflns_used    2118
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.227
_cell_measurement_theta_min      2.85
_cell_volume                     2110.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0271
_diffrn_reflns_av_sigmaI/netI    0.0666
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10773
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9914
_exptl_absorpt_correction_T_min  0.9706
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.172
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     563
_refine_ls_number_reflns         7310
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.1150
_refine_ls_R_factor_gt           0.0527
_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^)+(0.0255P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0931
_refine_ls_wR_factor_ref         0.1069
_reflns_number_gt                3564
_reflns_number_total             7310
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ob01742a2.cif
_cod_data_source_block           131225a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_original_sg_symbol_H-M      P-1
_cod_database_code               7155853