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_1507187
_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         'C16 H10 S'
_chemical_formula_sum            'C16 H10 S'
_chemical_formula_weight         234.31
_chemical_name_systematic
;
 2-(azulen-2-ylethynyl)thiophene
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.2001(2)
_cell_length_b                   25.9168(5)
_cell_length_c                   7.4950(1)
_cell_measurement_reflns_used    8336
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      32.74
_cell_measurement_theta_min      2.29
_cell_volume                     2369.83(7)
_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
;
<i>ORTEP-3 for Windows</i> (Farrugia, 1997) and/or <i>Mercury</i> (Macrae et
al.,
2006)
;
_computing_publication_material
; 
<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 10.3801
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0305
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            18346
_diffrn_reflns_theta_full        30.50
_diffrn_reflns_theta_max         30.50
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    0.244
_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.992
_exptl_absorpt_correction_type   analytical
_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 R.C. Clark & J.S. Reid (1995).
;
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.258
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack (1983). 3200 Friedel pairs'
_refine_ls_abs_structure_Flack   0.06(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         7070
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0514P)^2^+0.2269P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0937
_refine_ls_wR_factor_ref         0.1013
_reflns_number_gt                6163
_reflns_number_total             7070
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol300327b_si_002.cif
_cod_data_source_block           15
_cod_database_code               1507187