Syntheses and tunable emission properties of 2-alkynyl azulenes.
Koch, Michael; Blacque, Olivier; Venkatesan, Koushik; Organic letters 14 (2012) 1580–1583; doi:10.1021/ol300327b

data_1507186
_publ_section_title
;
 Syntheses and tunable emission properties of 2-alkynyl azulenes.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1580
_journal_page_last               1583
_journal_paper_doi               10.1021/ol300327b
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C36 H33 B'
_chemical_formula_sum            'C36 H33 B'
_chemical_formula_weight         476.43
_chemical_name_systematic
;
 [4-(azulen-2-ylethynyl)phenyl][bis(2,4,6-trimethylphenyl]borane
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                83.125(2)
_cell_angle_beta                 83.815(2)
_cell_angle_gamma                89.800(2)
_cell_formula_units_Z            4
_cell_length_a                   8.0978(2)
_cell_length_b                   9.3709(3)
_cell_length_c                   37.1641(10)
_cell_measurement_reflns_used    10445
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      28.14
_cell_measurement_theta_min      2.58
_cell_volume                     2783.45(14)
_computing_cell_refinement
;
CrysAlisPro, version 1.171.35.11 (Agilent, 2011)
;
_computing_data_collection
;
CrysAlisPro, version 1.171.35.11 (Agilent, 2011)
;
_computing_data_reduction
;
CrysAlisPro, version 1.171.35.11 (Agilent, 2011)
;
_computing_molecular_graphics
;
DIAMOND (Brandenburg, 2006)
;
_computing_publication_material
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<i>WinGX</i> (Farrugia, 1999), <i>PLATON for Windows</i> (Spek, 2003) and
<i>publCIF</i> (Westrip, 2010)
;
_computing_structure_refinement  ' SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    ' SHELXS97 (Sheldrick, 2008) '
_diffrn_ambient_temperature      183(2)
_diffrn_detector_area_resol_mean 10.4498
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Xcalibur, Ruby'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0196
_diffrn_reflns_av_sigmaI/netI    0.0329
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            22238
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         2.59
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.983
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_exptl_absorpt_process_details
;
CrysAlisPro, Version 1.171.35.11 (Agilent, 2011)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by Clark & Reid (1995).
;
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.137
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.328
_refine_diff_density_min         -0.193
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     679
_refine_ls_number_reflns         10511
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0648
_refine_ls_R_factor_gt           0.0526
_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^)+(0.0485P)^2^+1.1097P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1216
_refine_ls_wR_factor_ref         0.1288
_reflns_number_gt                8774
_reflns_number_total             10511
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol300327b_si_002.cif
_cod_data_source_block           10
_cod_database_code               1507186