#------------------------------------------------------------------------------
#$Date: 2016-02-20 02:53:41 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176768 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/31/2103144.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_2103144
loop_
_publ_author_name
'Pink, Maren'
'Britton, Doyle'
_publ_section_title
;
 5-Chloro- and 5-bromobenzfurazan 1-oxide revisited
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              116
_journal_page_last               124
_journal_paper_doi               10.1107/S0108768101014744
_journal_volume                  58
_journal_year                    2002
_chemical_formula_sum            'C6 H3 Cl N2 O2'
_chemical_formula_weight         170.55
_chemical_name_systematic
;
 5-chlorobenzfurazan-1-oxide
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXTL  plus manual additions'
_cell_angle_alpha                90.00
_cell_angle_beta                 92.683(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.973(2)
_cell_length_b                   7.0579(15)
_cell_length_c                   12.389(3)
_cell_measurement_reflns_used    449
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      17.4
_cell_measurement_theta_min      2.9
_cell_volume                     696.4(3)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1995)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXLTL
_computing_publication_material  SHELXLTL
_computing_structure_refinement  SHELXLTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1994)'
_diffrn_ambient_temperature      273(2)
_diffrn_measurement_device
;
Siemens SMART area-detector diffractometer
;
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0275
_diffrn_reflns_av_sigmaI/netI    .0369
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3550
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.98
_diffrn_standards_decay_%        'less than 1'
_diffrn_standards_interval_time  '6 hours'
_diffrn_standards_number         154
_exptl_absorpt_coefficient_mu    .490
_exptl_absorpt_correction_T_max  .90
_exptl_absorpt_correction_T_min  .84
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS; Sheldrick, 1996; Blessing, 1995
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.627
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       prism
_exptl_crystal_F_000             344
_exptl_crystal_size_max          .50
_exptl_crystal_size_mid          .32
_exptl_crystal_size_min          .21
_refine_diff_density_max         .134
_refine_diff_density_min         -.103
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   .882
_refine_ls_goodness_of_fit_obs   1.161
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         1231
_refine_ls_number_restraints     28
_refine_ls_restrained_S_all      .871
_refine_ls_restrained_S_obs      1.127
_refine_ls_R_factor_all          .0799
_refine_ls_R_factor_obs          .0341
_refine_ls_shift/esd_max         .003
_refine_ls_shift/esd_mean        .001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.037P)²] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         .0868
_refine_ls_wR_factor_obs         .0747
_reflns_number_observed          620
_reflns_number_total             1231
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            bk0096.cif
_cod_data_source_block           Cl273K
_cod_original_sg_symbol_H-M      P2~1~/n
_cod_database_code               2103144
_cod_database_fobs_code          2103144
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_disorder_group
_atom_site_type_symbol
Cl1 .8996(5) .2540(5) .8705(2) .1009(8) Uani d PD .779(5) 1 Cl
O1 .5425(7) -.4514(5) 1.1476(5) .137(2) Uani d PD .779(5) 1 O
O2 .5596(7) -.1581(9) 1.2315(4) .107(2) Uani d PD .779(5) 1 O
N1 .5843(10) -.2830(10) 1.1423(5) .098(2) Uani d PD .779(5) 1 N
N2 .6212(6) .0153(6) 1.2083(4) .0950(13) Uani d PD .779(5) 1 N
C1 .6610(6) -.1806(6) 1.0673(3) .0717(11) Uani d PD .779(5) 1 C
C2 .6791(8) .0003(6) 1.1103(3) .0665(11) Uani d PD .779(5) 1 C
C3 .7544(13) .1427(7) 1.0482(4) .0696(10) Uani d PD .779(5) 1 C
H3 .7683(13) .2659(7) 1.0737(4) .083 Uiso calc PR .779(5) 1 H
C4 .805(3) .0905(10) .9502(9) .0659(12) Uani d PD .779(5) 1 C
C5 .783(3) -.0944(10) .9079(8) .0789(8) Uani d PD .779(5) 1 C
H5 .820(3) -.1220(10) .8396(8) .095 Uiso calc PR .779(5) 1 H
C6 .7103(9) -.2306(7) .9648(4) .0852(11) Uani d PD .779(5) 1 C
H6 .6934(9) -.3521(7) .9372(4) .102 Uiso calc PR .779(5) 1 H
Cl11 .8724(19) .2889(17) .9041(11) .124(4) Uani d PD .221(5) 2 Cl
O11 .569(2) -.0405(19) 1.2695(8) .133(8) Uani d PD .221(5) 2 O
O12 .555(3) -.3286(17) 1.1797(10) .097(8) Uani d PD .221(5) 2 O
N11 .598(3) -.1315(19) 1.1871(9) .089(9) Uani d PD .221(5) 2 N
N12 .5951(18) -.3949(14) 1.0815(8) .096(5) Uani d PD .221(5) 2 N
C11 .669(4) -.0859(16) 1.0940(13) .0665(11) Uani d PD .221(5) 2 C
C12 .665(3) -.2503(15) 1.0325(10) .0717(11) Uani d PD .221(5) 2 C
C13 .737(4) -.2480(19) .9301(13) .0852(11) Uani d PD .221(5) 2 C
H13 .745(4) -.3572(19) .8887(13) .102 Uiso calc PR .221(5) 2 H
C14 .793(9) -.079(3) .896(3) .0789(8) Uani d PD .221(5) 2 C
H14 .836(9) -.073(3) .828(3) .095 Uiso calc PR .221(5) 2 H
C15 .789(10) .088(3) .958(3) .0659(12) Uani d PD .221(5) 2 C
C16 .733(5) .086(2) 1.0588(16) .0696(10) Uani d PD .221(5) 2 C
H16 .737(5) .193(2) 1.1026(16) .083 Uiso calc PR .221(5) 2 H
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C .0033 .0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H .0000 .0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N .0061 .0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O .0106 .0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Cl Cl .1484 .1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
N2 O2 N1 109.1(3)
O1 N1 C1 133.2(6)
O1 N1 O2 120.2(6)
C1 N1 O2 106.6(4)
C2 N2 O2 105.5(4)
N1 C1 C2 105.7(4)
N1 C1 C6 130.5(5)
C2 C1 C6 123.7(4)
N2 C2 C1 113.0(4)
N2 C2 C3 128.1(4)
C1 C2 C3 118.9(3)
C4 C3 C2 116.6(3)
C3 C4 C5 123.3(3)
C3 C4 Cl1 119.5(3)
C5 C4 Cl1 117.2(2)
C6 C5 C4 121.1(4)
C5 C6 C1 116.4(4)
N12 O12 N11 109.1(4)
O11 N11 C11 133.3(6)
O11 N11 O12 120.2(6)
C11 N11 O12 106.6(4)
C12 N12 O12 105.5(5)
N11 C11 C12 105.7(4)
N11 C11 C16 130.6(5)
C12 C11 C16 123.7(4)
N12 C12 C11 113.0(4)
N12 C12 C13 128.1(4)
C11 C12 C13 118.9(4)
C14 C13 C12 116.5(4)
C13 C14 C15 123.3(4)
C16 C15 C14 121.0(4)
C16 C15 Cl11 121.7(8)
C14 C15 Cl11 117.1(3)
C15 C16 C11 116.4(4)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Cl1 C4 1.717(2)
O1 N1 1.237(8)
O2 N2 1.355(7)
O2 N1 1.434(5)
N1 C1 1.347(8)
N2 C2 1.324(6)
C1 C2 1.388(4)
C1 C6 1.393(5)
C2 C3 1.416(5)
C3 C4 1.347(4)
C4 C5 1.415(3)
C5 C6 1.340(5)
Cl11 C15 1.717(3)
O11 N11 1.237(8)
O12 N12 1.355(7)
O12 N11 1.435(5)
N11 C11 1.347(8)
N12 C12 1.324(6)
C11 C12 1.388(5)
C11 C16 1.393(5)
C12 C13 1.416(5)
C13 C14 1.347(5)
C14 C15 1.415(4)
C15 C16 1.341(5)
