Interactions between alkynes and methoxy or dimethylamino groups in peri-naphthalene systems
Bell, Paul C.; Skranc, Wolfgang; Formosa, Xavier; O'Leary, Jane; Wallis, John D.; Journal of the Chemical Society, Perkin Transactions 2  (2002) 878–; doi:10.1039/b201038k

data_7204361
_publ_section_title
;
 Interactions between alkynes and methoxy or dimethylamino groups in
 peri-naphthalene systems
;
_journal_issue                   5
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 2'
_journal_page_first              878
_journal_paper_doi               10.1039/b201038k
_journal_year                    2002
_chemical_formula_sum            'C15 H12 O2'
_chemical_formula_weight         224.25
_chemical_melting_point          329.5(5)
_chemical_name_systematic
; 
4-(8-methoxynaphth-1-yl)but-3-yn-2-one
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.1848(2)
_cell_length_b                   13.7072(4)
_cell_length_c                   20.2962(6)
_cell_measurement_reflns_used    1899
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.01
_cell_measurement_theta_min      2.97
_cell_volume                     2277.04(11)
_computing_cell_refinement
;
'DENZO (Otwinowski and Minor, 1997)'
'COLLECT (Hooft, 1998)'
;
_computing_data_collection
;
'DENZO (Otwinowski and Minor, 1997)'
'COLLECT (Hooft, 1998)'
;
_computing_data_reduction
;
'DENZO (Otwinowski and Minor, 1997)'
'COLLECT (Hooft, 1998)'
;
_computing_molecular_graphics    'ORTEP3 (Johnson and Burnett, 1996)'
_computing_publication_material  'SHELXL-93(Sheldrick, 1993)'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measurement_device       'Phi and Omega scans to fill Ewald sphere'
_diffrn_measurement_method       'Enraf Nonius KappaCCD area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enraf Nonius FR591 rotating anode'
_diffrn_radiation_type           MoKa
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0450
_diffrn_reflns_av_sigmaI/netI    0.0248
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            18112
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.930
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
Using multiple and symmetry-related data measurements via the program 
SORTAV
See R. H. Blessing, Acta Cryst. (1995), A51, 33-38 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.308
_exptl_crystal_description       plates
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.070
_refine_ls_goodness_of_fit_obs   1.104
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         1899
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_restrained_S_obs      1.104
_refine_ls_R_factor_all          0.0521
_refine_ls_R_factor_obs          0.0398
_refine_ls_shift/esd_max         0.064
_refine_ls_shift/esd_mean        0.008
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme
;
'calc w = 1/[s^2^(Fo^2^)+( 0.0757P)^2^+0.1064P] where P=(Fo^2^+2Fc^2^)/3' 
;
_refine_ls_wR_factor_all         0.1146
_refine_ls_wR_factor_obs         0.1033
_reflns_number_observed          1622
_reflns_number_total             2000
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            b201038k.txt
_cod_data_source_block           ket-16
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/adriana/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '329-330' was changed to '329.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7204361