Solvatochromism, acidochromism and aggregation-induced emission of propeller-shaped spiroborates.
Li, Kang; Cui, Jichun; Yang, Zeren; Huo, Yanmin; Duan, Wenzeng; Gong, Shuwen; Liu, Zhipeng; Dalton transactions (Cambridge, England : 2003) 47 (2018) 15002–15008; doi:10.1039/c8dt03374a

data_7047641
_publ_section_title
;
 Solvatochromism, acidochromism and aggregation-induced emission of
 propeller-shaped spiroborates.
;
_journal_issue                   42
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15002
_journal_page_last               15008
_journal_paper_doi               10.1039/c8dt03374a
_journal_volume                  47
_journal_year                    2018
_chemical_formula_sum            'C1.72 H1.24 B0.07 N0.07 O0.21'
_chemical_formula_weight         26.98
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-01-05 deposited with the CCDC.
2018-09-24 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 103.228(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            29
_cell_length_a                   9.8468(4)
_cell_length_b                   10.1242(4)
_cell_length_c                   10.1222(3)
_cell_measurement_reflns_used    2418
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      66.02
_cell_measurement_theta_min      4.61
_cell_volume                     982.32(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0176
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3197
_diffrn_reflns_theta_full        66.02
_diffrn_reflns_theta_max         66.02
_diffrn_reflns_theta_min         4.61
_exptl_absorpt_coefficient_mu    0.689
_exptl_absorpt_correction_T_max  0.8465
_exptl_absorpt_correction_T_min  0.7994
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             408
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.129
_refine_diff_density_min         -0.137
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         2418
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0327
_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^)+(0.0518P)^2^+0.0724P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0846
_refine_ls_wR_factor_ref         0.0858
_reflns_number_gt                2322
_reflns_number_total             2418
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8dt03374a2.cif
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' 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 

 Adding full bibliography for 7047640--7047645.cif.
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7047641