#------------------------------------------------------------------------------
#$Date: 2016-12-06 15:28:16 +0100 (Tue 06 de Dec de 2016) $
#$Revision: 188978 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/13/1521370.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1521370
loop_
_publ_author_name
'Lamsa, Markku'
'Pursiainen, Jouni'
'Rissanen, Kari'
'Huuskonen, Juhani'
_publ_section_title
;
 Complexation of Crown Ethers and Podands with Tropylium Cations:
 Determination of Stability Constants and Crystal Structure of the
 Dibenzo-24-Crown-8-Tropylium Cation Complex
;
_journal_name_full               'Acta Chemica Scandinavica'
_journal_page_first              563
_journal_page_last               570
_journal_paper_doi               10.3891/acta.chem.scand.52-0563
_journal_volume                  52
_journal_year                    1998
_chemical_formula_sum            'C27 H31 B F4 O6'
_chemical_formula_weight         538.34
_space_group_IT_number           79
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      79
_symmetry_space_group_name_Hall  'I 4'
_symmetry_space_group_name_H-M   'I 4'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.1260(2)
_cell_length_b                   13.1260(2)
_cell_length_c                   15.1338(2)
_cell_volume                     2607.43(7)
_diffrn_ambient_temperature      298
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_cod_data_source_file            Acta-Chem-Scand-1998_52-563-570-2.cif
_cod_data_source_block           2
_cod_depositor_comments
;
No atomic coordinates in the paper, a dummy atom was added.
No R factors, etc

 The dummy atom was replaced by unknown values. This is the
 standard way of marking entries in the COD that do not contain
 coordinates.

 Antanas Vaitkus,
 2016-12-06
;
_cod_original_cell_volume        2607.4
_cod_database_code               1521370
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 x,y,z
2 -y,x,z
3 -x,-y,z
4 y,-x,z
5 1/2+x,1/2+y,1/2+z
6 1/2-y,1/2+x,1/2+z
7 1/2-x,1/2-y,1/2+z
8 1/2+y,1/2-x,1/2+z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_calc_flag
? ? ? ? ? ? ?
