#------------------------------------------------------------------------------
#$Date: 2011-09-28 17:24:46 +0300 (Wed, 28 Sep 2011) $
#$Revision: 26848 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/10/10/2101097.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_2101097
loop_
_publ_author_name
'Prout, K.'
'Bannister, C.'
'Burns, K.'
'Chen, M.'
'Warrington, B. H.'
'Vinter, J. G.'
_publ_section_title
;
 Crystal and molecular structures of pyridazinone cardiovascular agents
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              71
_journal_page_last               85
_journal_volume                  50
_journal_year                    1994
_chemical_formula_sum            'C5 H10 N2 O2'
_chemical_formula_weight         130.15
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   6.4170(10)
_cell_length_b                   6.892(2)
_cell_length_c                   15.629(5)
_cell_volume                     691.19
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_exptl_absorpt_coefficient_mu    0.09117
_exptl_crystal_density_diffrn    1.25
_exptl_crystal_F_000             280
_[local]_cod_data_source_file    ha0118.cif
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
N(1) .4248(3) .2223(4) .73430(10) .0463
N(2) .5412(3) .2290(4) .81000(10) .0438
C(3) .7460(4) .2039(5) .8171(2) .0482
C(4) .8583(5) .1581(6) .7356(2) .0551
C(5) .7581(5) .2536(6) .6612(2) .0596
C(6) .5254(5) .2297(5) .6644(2) .0490
O(7) .8310(4) .2046(6) .88820(10) .0668
C(8) .4052(6) .2269(8) .5823(2) .0717
O(1w) 1.2399(4) .2652(7) .93890(10) .0744
H(1) .4631 .2587 .8637 ?
H(2) 1.0071 .1996 .7409 ?
H(3) .8520 .0149 .7259 ?
H(4) .7932 .3948 .6637 ?
H(5) .8126 .1972 .6066 ?
H(6) .2522 .2246 .5945 ?
H(7) .4442 .1093 .5485 ?
H(8) .4481 .3644 .5455 ?
H(9) 1.0954 .2626 .9222 ?
H(10) 1.2549 .2986 .9937 ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C(6) C(8) 1.487(4)
C(6) N(1) 1.270(3)
N(1) N(2) 1.400(3)
N(2) C(3) 1.330(3)
C(3) O(7) 1.237(3)
C(3) C(4) 1.497(4)
C(4) C(5) 1.483(4)
C(5) C(6) 1.503(4)
N(2) H(1) 1.000(2)
C(4) H(2) 1.001(3)
C(4) H(3) .992(4)
C(5) H(4) 1.005(4)
C(5) H(5) .998(3)
C(8) H(6) 1.002(4)
C(8) H(7) 1.006(5)
C(8) H(8) 1.134(5)
O(1w) H(9) .963(2)
O(1w) H(10) .890(2)
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C(6) N(1) N(2) 117.0(2)
N(1) N(2) C(3) 126.5(2)
N(2) C(3) C(4) 115.5(2)
C(3) C(4) C(5) 111.4(3)
C(4) C(5) C(6) 110.9(3)
N(2) C(3) O(7) 120.7(2)
C(4) C(3) O(7) 123.5(2)
N(1) C(6) C(8) 118.3(3)
C(5) C(6) C(8) 119.0(3)
_cod_database_code 2101097