Structure of the charge-transfer complexes 2,4,5,7-tetranitro-9-fluorenone‒1-ethylnaphthalene (1/1) (I) and 2,4,5,7-tetranitro-9-fluorenone‒3,6-dimethylphenanthrene (1/1) (II)
Baldwin, S. L.; Baughman, R. G.; Acta Crystallographica Section C 49 (1993) 1840–1844; doi:10.1107/S0108270193002446

data_2001330
_publ_section_title
;
 Structure of the charge-transfer complexes
 2,4,5,7-tetranitro-9-fluorenone--1-ethylnaphthalene (1/1) (I) and
 2,4,5,7-tetranitro-9-fluorenone--3,6-dimethylphenanthrene (1/1) (II)
;
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1840
_journal_page_last               1844
_journal_paper_doi               10.1107/S0108270193002446
_journal_volume                  49
_journal_year                    1993
_chemical_formula_moiety         'C13 H4 N4 O9,C12 H12'
_chemical_formula_sum            'C25 H16 N4 O9'
_chemical_formula_weight         516.42
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_type_scat_source
; Hanson, Herman, Lea & Skillman (1964) for non-H atoms and from
Stewart, Davidson & Simpson (1965) for H atoms
;
_cell_angle_alpha                90.
_cell_angle_beta                 91.85(2)
_cell_angle_gamma                90.
_cell_formula_units_Z            4
_cell_length_a                   7.1310(10)
_cell_length_b                   10.852(4)
_cell_length_c                   29.553(8)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    290
_cell_measurement_theta_max      26.6
_cell_measurement_theta_min      10.1
_cell_volume                     2285.8(11)
_diffrn_measurement_device       'Siemens P3'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.079
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            6348
_diffrn_reflns_theta_max         55
_diffrn_standards_decay_%        .0
_diffrn_standards_interval_count 50
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.005
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'Deep red'
_exptl_crystal_density_diffrn    1.499
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.3
_refine_diff_density_min         -0.1
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   3.77
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     343
_refine_ls_number_reflns         1745
_refine_ls_R_factor_obs          0.063
_refine_ls_shift/esd_max         0.01
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/\s^2^(F)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.046
_reflns_number_observed          1745
_reflns_number_total             3174
_reflns_observed_criterion       'F>=3\s(F) and I>=3\s(I)'
_cod_data_source_file            cd1015.cif
_cod_data_source_block           cd1015_structure_1_of_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'w = 1/\s^2^(F)' was changed to
'calc'. New tag '_refine_ls_weighting_details' was created. The value
of the new tag was set to 'w = 1/\s^2^(F)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        2286.0(10)
_cod_database_code               2001330