Aggregation-induced emission of [3]cumulenes functionalized with heptagon-containing polyphenylenes.
Jiménez, Vicente G; Tapia, Rubén; Medel, Miguel A.; Mariz, Inês F A; Ribeiro, Tânia; Blanco, Victor; Cuerva, Juan M.; Maçôas, Ermelinda; Campaña, Araceli G; Chemical communications (Cambridge, England) 54 (2018) 3359–3362; doi:10.1039/c8cc00386f

data_7121357
_publ_section_title
;
 Aggregation-induced emission of [3]cumulenes functionalized with
 heptagon-containing polyphenylenes.
;
_journal_issue                   27
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3359
_journal_page_last               3362
_journal_paper_doi               10.1039/c8cc00386f
_journal_volume                  54
_journal_year                    2018
_chemical_formula_sum            'C28 H20'
_chemical_formula_weight         356.44
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/4
_audit_update_record
;
2018-01-16 deposited with the CCDC.
2018-03-06 downloaded from the CCDC.
;
_cell_angle_alpha                92.162(5)
_cell_angle_beta                 104.822(5)
_cell_angle_gamma                105.321(4)
_cell_formula_units_Z            2
_cell_length_a                   9.9154(12)
_cell_length_b                   10.0178(12)
_cell_length_c                   10.4437(12)
_cell_measurement_reflns_used    9966
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.781
_cell_measurement_theta_min      2.5595
_cell_volume                     961.0(2)
_computing_cell_refinement       'Bruker APEX3'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'SAINT V8.37A'
_computing_molecular_graphics    'USCF Chimera 1.10.1 and Ortep3'
_computing_publication_material  'WinGX CIF routines'
_computing_structure_refinement  'SHELXL-2016/4 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT-2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0411
_diffrn_reflns_av_unetI/netI     0.0314
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            24447
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        24.801
_diffrn_reflns_theta_max         24.801
_diffrn_reflns_theta_min         2.121
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.9105
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
The Ratio of minimum to maximum transmission is 0.9105.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_description       needle
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.379
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.145
_refine_diff_density_max         0.146
_refine_diff_density_min         -0.255
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3304
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0383
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0382P)^2^+0.4428P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0914
_refine_ls_wR_factor_ref         0.0958
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3034
_reflns_number_total             3304
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc00386f2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Numerical' changed to
'numerical' 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 

 Adding full bibliography for 7121357--7121360.cif.
;
_cod_database_code               7121357
_shelx_shelxl_version_number     2016/4
_shelx_estimated_absorpt_t_min   0.974
_shelx_estimated_absorpt_t_max   0.990
_shelx_res_checksum              35266