data_2000239
_journal_name_full 'Acta Cryst. C'
_journal_year   1991
_journal_volume  47
_journal_page_first  2247
_journal_page_last  2249
loop_
_publ_author_name
 'Honey, G.E.'
 'Steel, P.J.'
_chemical_formula_sum  'C20 H14 N4'
_chemical_formula_weight  310.4
_symmetry_cell_setting  monoclinic
_symmetry_space_group_name_H-M  'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_cell_length_a  7.224(5)
_cell_length_b  11.530(6)
_cell_length_c  8.978(6)
_cell_angle_alpha  90
_cell_angle_beta  91.21(5)
_cell_angle_gamma  90
_cell_volume  747.7
_cell_formula_units_Z  2
_exptl_crystal_density_diffrn  1.38
_exptl_crystal_density_meas  ?
_exptl_crystal_F_000  324
_exptl_absorpt_coefficient_mu  0.08
_diffrn_radiation_type  Mo
_diffrn_radiation_wavelength  0.71069
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
 N(1) .4834(4) .7399(3) .4967(4) .0260(10)
 C(2) .5174(6) .8233(4) .3951(4) .0220(10)
 C(3) .6758(5) .8253(4) .3114(4) .026(2)
 C(4) .8046(6) .7383(4) .3334(5) .031(2)
 C(5) .7749(6) .6535(4) .4382(5) .031(2)
 C(6) .6123(6) .6581(4) .5162(5) .032(2)
 N(1') .3993(4) .9946(3) .2721(3) .0240(10)
 C(2') .3716(5) .9135(4) .3768(4) .0220(10)
 C(3') .2158(5) .9129(4) .4674(4) .0220(10)
 C(4') .0820(5) .9987(4) .4511(4) .0220(10)
 C(5') .1107(5) 1.0817(4) .3414(4) .0250(10)
 C(6') .2687(5) 1.0759(4) .2569(5) .027(2)
 H(3) .6957 .8857 .2399 ?
 H(4) .9149 .7369 .2756 ?
 H(5) .8642 .5933 .4564 ?
 H(6) .5906 .5987 .5887 ?
 H(3') .2017 .8532 .5408 ?
 H(5') .0218 1.1424 .3245 ?
 H(6') .2854 1.1345 .1823 ?