Reactions of Terminal Polyynes with Benzyl Azide
Thanh Luu; Boris J. Medos; Erin R. Graham; Danielle M. Vallee; Robert McDonald; Michael J. Ferguson; Rik R. Tykwinski; Journal of Organic Chemistry 75 (2010) 8498–8507; doi:10.1021/jo101870y

data_4025894
_publ_contact_author_address
; Friedrich-Alexander-Universitat Erlangen
  Department Chemie und Pharmazie
  Geschaftsstelle
  Egerlandstr. 3
  91058 Erlangen
  Germany
;
_publ_contact_author_email       rik.tykwinski@chemie.uni-erlangen.de
_publ_contact_author_fax         +49(9131)8522540
_publ_contact_author_name        'Dr. Rik R. Tykwinski'
_publ_contact_author_phone       +49(9131)8526865
_publ_section_title
;
 Reactions of Terminal Polyynes with Benzyl Azide
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8498
_journal_page_last               8507
_journal_paper_doi               10.1021/jo101870y
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C20 H15 N3 O'
_chemical_formula_sum            'C20 H15 N3 O'
_chemical_formula_weight         313.35
_space_group_IT_number           4
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 108.6532(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.7789(10)
_cell_length_b                   5.6104(5)
_cell_length_c                   14.1828(13)
_cell_measurement_reflns_used    4785
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      2.87
_cell_volume                     812.64(13)
_computing_cell_refinement       'Bruker SAINT (Bruker, 1997)'
_computing_data_collection       'Bruker SMART (Bruker, 1997)'
_computing_data_reduction        'Bruker SAINT (Bruker, 1997)'
_computing_molecular_graphics    'Bruker SHELXTL (Bruker, 1997)'
_computing_publication_material  'Bruker SHELXTL (Bruker, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
'Bruker PLATFORM diffractometer/SMART 1000 CCD area detector'
_diffrn_measurement_method       '\w scans'
_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  0.0167
_diffrn_reflns_av_sigmaI/netI    0.0248
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6447
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         1.52
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9903
_exptl_absorpt_correction_T_min  0.9558
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.143
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.028
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3302
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0343
_refine_ls_R_factor_gt           0.0306
_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^)+(0.0408P)^2^+0.0744P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0789
_refine_ls_wR_factor_ref         0.0817
_reflns_number_gt                3069
_reflns_number_total             3302
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo101870y_si_009.cif
_cod_data_source_block           10f
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4025894