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#$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $
#$Revision: 91933 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/07/2000761.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2000761
loop_
_publ_author_name
'Hodgkins, T. G.'
'Powell, D. R.'
_publ_section_title
;
 Structure of 4-bromopyrazabole
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1260
_journal_page_last               1262
_journal_volume                  48
_journal_year                    1992
_chemical_formula_sum            'C6 H9 B2 Br N4'
_chemical_formula_weight         238.7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 91.50(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.756(2)
_cell_length_b                   13.012(4)
_cell_length_c                   10.931(4)
_cell_volume                     960.6(5)
_diffrn_radiation_type           Cu
_diffrn_radiation_wavelength     1.54178
_exptl_absorpt_coefficient_mu    5.51
_exptl_crystal_density_diffrn    1.650
_exptl_crystal_F_000             472
_[local]_cod_data_source_file    cr0390.cif
_[local]_cod_data_source_block   cr0390a
_[local]_cod_cif_authors_sg_H-M  'P 21/n'
_[local]_cod_chemical_formula_sum_orig 'C6 H9 B2 Br1 N4'
_cod_database_code               2000761
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
C(1) -.1395(7) .1011(4) .6371(5) .0299(15)
C(2) .0398(8) .1185(3) .5821(6) .0343(17)
C(3) .1589(6) .1630(3) .6719(4) .0323(15)
N(3a) .0561(4) .1735(3) .7736(3) .0232(11)
B(4) .1126(7) .2274(4) .8939(5) .0261(15)
N(4a) .0096(5) .1689(3) .9956(3) .0257(11)
C(5) .0714(8) .1476(4) 1.1114(5) .0354(16)
C(6) -.0692(8) .0930(4) 1.1678(5) .0407(18)
C(7) -.2204(7) .0804(3) 1.0805(4) .0357(16)
N(7a) -.1714(5) .1261(2) .9768(4) .0253120
B(8) -.2885(7) .1390(4) .8519(6) .0326(18)
N(8a) -.1283(5) .1349(2) .7525(4) .0247(12)
Br(1) .00165(6) .37598(3) .88390(4) .0313(3)
H(4) .256(6) .235(3) .898(4) .0032(4)
H(8a) -.399(6) .074(4) .854(4) .0032(4)
H(8b) -.363(6) .207(3) .863(4) .0032(4)
H(1) -.254 .070 .599 .032(4)
H(2) .074 .103 .499 .032(4)
H(3) .295 .183 .663 .032(4)
H(6) -.066 .069 1.251 .032(4)
H(7) -.342 .045 1.093 .032(4)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
B(4) Br(1) 2.075(5)
N(8a) C(1) 1.336(6)
C(1) C(2) 1.385(7)
C(2) C(3) 1.380(7)
C(3) N(3a) 1.333(6)
N(3a) B(4) 1.530(6)
N(3a) N(8a) 1.357(4)
B(4) N(4a) 1.530(6)
B(4) H(4) 0.97(4)
N(4a) C(5) 1.351(6)
N(4a) N(7a) 1.354(5)
C(5) C(6) 1.349(7)
C(6) C(7) 1.389(7)
C(7) N(7a) 1.330(6)
N(7a) B(8) 1.569(7)
B(8) N(8a) 1.555(7)
B(8) H(8a) 1.13(5)
B(8) H(8b) 1.03(5)
_journal_paper_doi 10.1107/S0108270191013872