#------------------------------------------------------------------------------
#$Date: 2011-09-10 04:16:28 +0100 (Sat, 10 Sep 2011) $
#$Revision: 25271 $
#$URL: svn://www.crystallography.net/cod/cif/2/2101397.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_2101397
loop_
_publ_author_name
'Koh, L. L.'
'Sim, K. Y.'
'Huang, H. H.'
'Lam, Y. L.'
'Liang, E. P.'
_publ_section_title
;
 Structure of 2,2,3,3-tetranitrobutane
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              1097
_journal_page_last               1102
_journal_volume                  51
_journal_year                    1995
_chemical_formula_sum            'C4 H6 N4 O8'
_chemical_formula_weight         238.1
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                76.17(3)
_cell_angle_beta                 76.93(6)
_cell_angle_gamma                69.27(5)
_cell_formula_units_Z            2
_cell_length_a                   6.152(3)
_cell_length_b                   7.216(2)
_cell_length_c                   11.622(4)
_cell_measurement_reflns_used    12
_cell_measurement_temperature    297
_cell_measurement_theta_max      12.7
_cell_measurement_theta_min      4.5
_cell_volume                     462.8(3)
_diffrn_measurement_device       'Siemens R3m/V'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0187
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            1494
_diffrn_reflns_theta_max         24.0
_diffrn_standards_decay_%        +-1.5
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.709
_exptl_crystal_description       Prism
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.25
_refine_diff_density_min         -0.22
_refine_ls_extinction_coef       '\c = 0.0007 (8)'
_refine_ls_extinction_method     F*=F[1+0.002\cF^2^/sin(2\q)]^-0.25^
_refine_ls_goodness_of_fit_obs   2.90
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_number_parameters     164
_refine_ls_number_reflns         1062
_refine_ls_R_factor_obs          0.050
_refine_ls_shift/esd_max         0.036
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      w=1/\s^2^(F)
_refine_ls_wR_factor_obs         0.050
_reflns_number_observed          1062
_reflns_number_total             1353
_reflns_observed_criterion       F>4\s(F)
_[local]_cod_data_source_file    bk0023.cif
_[local]_cod_data_source_block   bk0023b
_cod_database_code               2101397
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
C(1) .5306(6) .0969(6) .6671(3) .048(2)
C(2) .2836(5) .1958(5) .7272(2) .0360(10)
C(3) .2617(5) .3814(5) .7790(3) .0370(10)
C(4) .4141(7) .3403(8) .8729(4) .059(2)
N(2) .1032(5) .2430(5) .6430(2) .0520(10)
N(2') .2120(5) .0345(5) .8287(3) .0510(10)
N(3) .0058(4) .4849(5) .8368(3) .0460(10)
N(3') .3173(5) .5430(4) .6745(3) .0550(10)
O(2A) -.0876(4) .3663(4) .6660(2) .0660(10)
O(2B) .1631(5) .1521(6) .5609(3) .094(2)
O(2'A) .0299(5) .0031(4) .8309(3) .0750(10)
O(2'B) .3515(5) -.0554(5) .8969(3) .0830(10)
O(3A) -.0725(4) .3748(4) .9202(2) .0620(10)
O(3B) -.0876(4) .6575(4) .8006(3) .0730(10)
O(3'A) .2766(5) .5447(5) .5768(3) .0810(10)
O(3'B) .3991(5) .6565(5) .6971(3) .095(2)
H(11) .635(6) .053(6) .726(3) .060
H(12) .564(6) .192(6) .603(3) .060
H(13) .539(6) -.025(6) .645(3) .060
H(41) .375(7) .256(6) .935(4) .070
H(42) .575(7) .286(6) .840(3) .070
H(43) .394(6) .463(6) .896(3) .070
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_publ_flag
C(2) C(1) H(11) 108.5(19) yes
H(11) C(1) H(12) 115.(4) yes
H(11) C(1) H(13) 104.(3) yes
C(1) C(2) C(3) 113.2(3) yes
C(3) C(2) N(2) 112.5(2) yes
C(3) C(2) N(2') 110.2(2) yes
C(2) C(3) C(4) 115.2(3) yes
C(4) C(3) N(3) 106.1(3) yes
C(4) C(3) N(3') 109.7(3) yes
C(3) C(4) H(41) 110.(3) yes
H(41) C(4) H(42) 110.(3) yes
H(41) C(4) H(43) 110.(4) yes
C(2) N(2) O(2A) 117.3(3) yes
O(2A) N(2) O(2B) 125.8(3) yes
C(2) N(2') O(2'B) 115.5(3) yes
C(3) N(3) O(3A) 113.5(2) yes
O(3A) N(3) O(3B) 127.5(3) yes
C(3) N(3') O(3'B) 116.8(3) yes
C(2) C(1) H(12) 106.0(19) yes
C(2) C(1) H(13) 109.9(19) yes
H(12) C(1) H(13) 114.(3) yes
C(1) C(2) N(2) 110.9(3) yes
C(1) C(2) N(2') 107.6(2) yes
N(2) C(2) N(2') 101.8(3) yes
C(2) C(3) N(3) 112.6(3) yes
C(2) C(3) N(3') 108.5(2) yes
N(3) C(3) N(3') 104.3(2) yes
C(3) C(4) H(42) 109.(3) yes
C(3) C(4) H(43) 109.(2) yes
H(42) C(4) H(43) 108.(4) yes
C(2) N(2) O(2B) 116.9(3) yes
C(2) N(2') O(2'A) 118.9(3) yes
O(2'A) N(2') O(2'B) 125.5(3) yes
C(3) N(3) O(3B) 118.9(3) yes
C(3) N(3') O(3'A) 117.6(3) yes
O(3'A) N(3') O(3'B) 125.6(3) yes
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_publ_flag
C(1) C(2) 1.516(4) yes
C(1) H(12) 0.92(4) yes
C(2) C(3) 1.548(5) yes
C(2) N(2') 1.553(4) yes
C(3) N(3) 1.554(4) yes
C(4) H(41) 0.88(4) yes
C(4) H(43) 0.95(5) yes
N(2) O(2B) 1.201(5) yes
N(2') O(2'B) 1.205(4) yes
N(3) O(3B) 1.188(4) yes
N(3') O(3'B) 1.202(6) yes
C(1) H(11) 0.96(4) yes
C(1) H(13) 0.96(5) yes
C(2) N(2) 1.540(5) yes
C(3) C(4) 1.507(6) yes
C(3) N(3') 1.539(4) yes
C(4) H(42) 0.95(4) yes
N(2) O(2A) 1.214(3) yes
N(2') O(2'A) 1.213(5) yes
N(3) O(3A) 1.222(4) yes
N(3') O(3'A) 1.214(5) yes
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
_geom_torsion_publ_flag
C(1) C(2) C(3) C(4) -60.0(3) yes
N(2) C(2) C(3) C(4) 173.4(3) yes
N(2') C(2) C(3) C(4) 60.5(3) yes
C(1) C(2) N(2) O(2A) -161.2(3) yes
C(3) C(2) N(2) O(2B) 147.6(3) yes
C(1) C(2) N(2') O(2'A) -126.4(4) yes
C(3) C(2) N(2') O(2'B) -73.1(3) yes
C(2) C(3) N(3) O(3A) 60.2(4) yes
C(4) C(3) N(3) O(3B) 110.7(4) yes
C(2) C(3) N(3') O(3'A) 28.3(3) yes
C(4) C(3) N(3') O(3'B) -24.7(4) yes
C(1) C(2) C(3) N(3) 178.2(2) yes
N(2) C(2) C(3) N(3) 51.5(3) yes
N(2') C(2) C(3) N(3) -61.3(3) yes
C(1) C(2) N(2) O(2B) 19.7(5) yes
N(2') C(2) N(2) O(2A) 84.6(3) yes
C(1) C(2) N(2') O(2'B) 50.7(4) yes
N(2) C(2) N(2') O(2'A) -9.7(4) yes
C(2) C(3) N(3) O(3B) -122.5(4) yes
N(3') C(3) N(3) O(3A) 177.6(3) yes
C(2) C(3) N(3') O(3'B) -151.3(3) yes
N(3) C(3) N(3') O(3'A) -91.8(3) yes
C(1) C(2) C(3) N(3') 63.4(3) yes
N(2) C(2) C(3) N(3') -63.3(3) yes
N(2') C(2) C(3) N(3') -176.1(2) yes
C(3) C(2) N(2) O(2A) -33.3(4) yes
N(2') C(2) N(2) O(2B) -94.5(3) yes
C(3) C(2) N(2') O(2'A) 109.8(3) yes
N(2) C(2) N(2') O(2'B) 167.4(3) yes
C(4) C(3) N(3) O(3A) -66.6(4) yes
N(3') C(3) N(3) O(3B) -5.1(5) yes
C(4) C(3) N(3') O(3'A) 154.9(3) yes
N(3) C(3) N(3') O(3'B) 88.5(3) yes