Synthesis, aggregation-enhanced emission, polymorphism and piezochromism of TPE-cored foldamers with through-space conjugation.
Zhuang, Zeyan; Shen, Pingchuan; Ding, Siyang; Luo, Wenwen; He, Bairong; Nie, Han; Wang, Bohan; Huang, Tianbai; Hu, Rongrong; Qin, Anjun; Zhao, Zujin; Tang, Ben Zhong; Chemical communications (Cambridge, England) 52 (2016) 10842–10845; doi:10.1039/c6cc04233c

data_7124726
_publ_section_title
;
 Synthesis, aggregation-enhanced emission, polymorphism and piezochromism
 of TPE-cored foldamers with through-space conjugation.
;
_journal_issue                   72
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10842
_journal_page_last               10845
_journal_paper_doi               10.1039/c6cc04233c
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C36 H26 N2, C H2 Cl2'
_chemical_formula_sum            'C37 H28 Cl2 N2'
_chemical_formula_weight         571.51
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-03-17 deposited with the CCDC.
2016-07-25 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.739(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2875(10)
_cell_length_b                   9.5469(8)
_cell_length_c                   30.516(3)
_cell_measurement_reflns_used    1999
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      21.05
_cell_measurement_theta_min      2.52
_cell_volume                     2996.8(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'APEX2 CCD detector'
_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  0.0485
_diffrn_reflns_av_sigmaI/netI    0.0719
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            14491
_diffrn_reflns_theta_full        25.40
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.245
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6719
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2011)'
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1192
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.203
_refine_diff_density_min         -0.383
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         5432
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.1042
_refine_ls_R_factor_gt           0.0524
_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^)+(0.0560P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1159
_refine_ls_wR_factor_ref         0.1383
_reflns_number_gt                3182
_reflns_number_total             5432
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc04233c2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        2996.9(5)
_cod_original_sg_symbol_Hall     '-P 2yn  '
_cod_original_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               7124726