#------------------------------------------------------------------------------
#$Date: 2010-01-30 14:59:17 +0100 (Sat, 30 Jan 2010) $
#$Revision: 966 $
#$URL: svn://www.crystallography.net/cod/cif/2/2100580.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_2100580
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_[local]_cod_cif_authors_sg_H-M  P21/n
loop_
_publ_author_name
'Broder, Charlotte K.'
'Barnett, Sarah A.'
'Gutmann, Matthias J.'
'Shankland, Kenneth'
'Wilson, Chick C.'
_publ_section_title
;
 Accurate molecular structures and hydrogen bonding in two polymorphs of
 o-acetamidobenzamide by single crystal neutron diffraction
;
_journal_coeditor_code           BM5034
_journal_date_accepted           2006-07-04
_journal_date_recd_electronic    2006-05-19
_journal_issue                   5
_journal_name_full               'Acta Crystallographica, Section B'
_journal_page_first              926
_journal_page_last               930
_journal_paper_category          FA
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C9 H10 N2 O2'
_chemical_formula_sum            'C9 H10 N2 O2'
_chemical_formula_weight         178.19
_chemical_name_common            'o-acetoamidobenzoic acid alpha polymorph'
_chemical_name_systematic
;
/a-o-acetoamidobenzoic acid
;
_symmetry_cell_setting           Monoclinic
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.151(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.8591(12)
_cell_length_b                   14.395(3)
_cell_length_c                   12.250(3)
_cell_measurement_reflns_used    330
_cell_measurement_temperature    30(2)
_cell_volume                     856.3(3)
_computing_cell_refinement       'SXD-2001 (Gutmann, 2005)'
_computing_data_collection       'SXD-2001 (Gutmann, 2005)'
_computing_data_reduction        'SXD-2001 (Gutmann, 2005)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      30(2)
_diffrn_measured_fraction_theta_full 0.099
_diffrn_measured_fraction_theta_max 0.099
_diffrn_measurement_device_type  SXD
_diffrn_measurement_method       'time-of-flight LAUE diffraction'
_diffrn_radiation_source         'ISIS spallation source'
_diffrn_radiation_type           neutron
_diffrn_radiation_wavelength     0.5-7.0
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0971
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            5267
_diffrn_reflns_theta_full        81.70
_diffrn_reflns_theta_max         81.70
_diffrn_reflns_theta_min         8.66
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.000
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_meas      'not measured'
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             213
_exptl_crystal_size_max          5.0
_exptl_crystal_size_mid          2.0
_exptl_crystal_size_min          1.0
_refine_diff_density_max         2.003
_refine_diff_density_min         -1.487
_refine_ls_extinction_coef       0.00129(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         5267
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0572
_refine_ls_R_factor_gt           0.0572
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0826P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1278
_refine_ls_wR_factor_ref         0.1278
_reflns_number_gt                5267
_reflns_number_total             5267
_reflns_threshold_expression     >2sigma(I)
_[local]_cod_data_source_file    bm5034.cif
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_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_occupancy
O O1 -0.3257(5) 0.11090(10) 0.00091(10) 0.0083(5) Uani d 1
O O2 -0.2943(6) 0.42403(10) 0.16253(11) 0.0102(5) Uani d 1
N N1 -0.2414(3) -0.01111(7) 0.11383(7) 0.0096(3) Uani d 1
N N2 -0.2672(3) 0.27463(6) 0.09767(7) 0.0075(3) Uani d 1
C C1 -0.0625(5) 0.23375(9) 0.16623(9) 0.0046(4) Uani d 1
C C2 -0.0229(5) 0.13613(9) 0.15779(9) 0.0053(4) Uani d 1
C C3 0.1868(5) 0.09345(8) 0.22104(10) 0.0067(4) Uani d 1
C C4 0.3557(5) 0.14459(9) 0.29321(9) 0.0065(4) Uani d 1
C C5 0.3090(5) 0.23967(9) 0.30440(9) 0.0070(4) Uani d 1
C C6 0.1029(5) 0.28459(9) 0.24204(10) 0.0066(4) Uani d 1
C C7 -0.2071(4) 0.07776(9) 0.08497(9) 0.0053(4) Uani d 1
C C8 -0.3744(5) 0.36174(9) 0.09990(9) 0.0066(4) Uani d 1
C C9 -0.6077(5) 0.37851(9) 0.01622(10) 0.0080(4) Uani d 1
H H6 0.0699(11) 0.3586(2) 0.2504(3) 0.0205(10) Uani d 1
H H1B -0.3817(11) -0.0498(2) 0.0687(2) 0.0210(10) Uani d 1
H H2 -0.3478(10) 0.2288(2) 0.0410(2) 0.0183(9) Uani d 1
H H3 0.2219(12) 0.0192(2) 0.2119(3) 0.0234(11) Uani d 1
H H1A -0.1833(11) -0.0332(2) 0.1899(2) 0.0203(10) Uani d 1
H H5 0.4365(11) 0.2813(2) 0.3620(2) 0.0227(10) Uani d 1
H H4 0.5204(11) 0.1095(2) 0.3401(3) 0.0218(10) Uani d 1
H H9C -0.6831(13) 0.3139(2) -0.0197(3) 0.0337(14) Uani d 1
H H9B -0.5367(13) 0.4225(3) -0.0481(3) 0.0335(13) Uani d 1
H H9A -0.7695(13) 0.4152(3) 0.0554(3) 0.0352(14) Uani d 1
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
O1 0.0148(17) 0.0045(5) 0.0055(4) -0.0011(7) -0.0029(6) 0.0005(4)
O2 0.0182(16) 0.0052(5) 0.0069(5) 0.0011(8) -0.0021(7) -0.0030(4)
N1 0.0164(10) 0.0062(3) 0.0062(3) -0.0018(5) -0.0016(4) 0.0009(2)
N2 0.0112(9) 0.0051(3) 0.0060(3) 0.0008(5) -0.0014(4) -0.0008(2)
C1 0.0055(12) 0.0039(5) 0.0043(4) 0.0011(6) -0.0003(5) 0.0005(3)
C2 0.0078(13) 0.0038(4) 0.0041(4) 0.0002(6) -0.0003(5) 0.0002(3)
C3 0.0088(13) 0.0048(5) 0.0063(4) -0.0006(7) -0.0012(6) -0.0001(3)
C4 0.0057(14) 0.0081(5) 0.0055(4) 0.0005(6) -0.0014(6) 0.0004(4)
C5 0.0073(13) 0.0085(5) 0.0051(4) -0.0015(7) -0.0012(6) -0.0005(3)
C6 0.0083(13) 0.0058(5) 0.0056(4) 0.0006(6) -0.0020(5) -0.0006(3)
C7 0.0087(13) 0.0037(4) 0.0035(4) -0.0005(6) -0.0012(5) -0.0005(3)
C8 0.0118(13) 0.0047(5) 0.0034(4) 0.0000(6) 0.0004(5) -0.0003(3)
C9 0.0092(14) 0.0078(5) 0.0068(4) 0.0012(6) -0.0009(6) 0.0008(3)
H6 0.024(3) 0.0103(11) 0.0266(13) 0.0029(16) -0.0047(16) -0.0032(9)
H1B 0.028(3) 0.0161(12) 0.0181(11) -0.0101(17) -0.0044(15) -0.0013(9)
H2 0.022(3) 0.0155(12) 0.0168(11) -0.0002(17) -0.0103(13) -0.0034(9)
H3 0.032(4) 0.0106(11) 0.0272(13) 0.0007(17) -0.0037(17) -0.0011(10)
H1A 0.026(3) 0.0201(13) 0.0147(11) 0.0012(17) -0.0068(14) 0.0058(9)
H5 0.024(3) 0.0228(14) 0.0206(12) -0.0059(18) -0.0104(15) -0.0049(10)
H4 0.016(3) 0.0240(15) 0.0242(13) 0.0083(19) -0.0121(15) 0.0014(11)
H9C 0.045(4) 0.0150(13) 0.0391(18) 0.000(2) -0.019(2) -0.0036(13)
H9B 0.037(4) 0.041(2) 0.0220(14) -0.002(2) 0.0002(18) 0.0173(13)
H9A 0.033(4) 0.045(2) 0.0286(16) 0.017(3) 0.007(2) -0.0043(15)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C7 1.255(2)
O2 C8 1.234(2)
N1 C7 1.3394(16)
N1 H1B 1.026(4)
N1 H1A 1.015(3)
N2 C8 1.3586(18)
N2 C1 1.406(2)
N2 H2 1.025(3)
C1 C6 1.410(3)
C1 C2 1.4226(18)
C2 C3 1.399(3)
C2 C7 1.498(2)
C3 C4 1.393(3)
C3 H3 1.088(3)
C4 C5 1.395(2)
C4 H4 1.092(5)
C5 C6 1.396(3)
C5 H5 1.099(4)
C6 H6 1.082(3)
C8 C9 1.519(3)
C9 H9C 1.087(4)
C9 H9B 1.078(4)
C9 H9A 1.076(5)
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C7 N1 H1B 117.6(2)
C7 N1 H1A 120.6(2)
H1B N1 H1A 118.8(3)
C8 N2 C1 129.60(12)
C8 N2 H2 118.1(3)
C1 N2 H2 112.3(2)
N2 C1 C6 123.29(12)
N2 C1 C2 117.68(14)
C6 C1 C2 119.03(17)
C3 C2 C1 119.42(16)
C3 C2 C7 119.35(13)
C1 C2 C7 121.20(17)
C4 C3 C2 121.24(13)
C4 C3 H3 119.6(3)
C2 C3 H3 119.2(3)
C3 C4 C5 119.13(17)
C3 C4 H4 119.5(2)
C5 C4 H4 121.4(2)
C4 C5 C6 121.11(16)
C4 C5 H5 120.6(3)
C6 C5 H5 118.3(3)
C5 C6 C1 119.98(13)
C5 C6 H6 120.6(3)
C1 C6 H6 119.4(3)
O1 C7 N1 121.45(16)
O1 C7 C2 121.42(13)
N1 C7 C2 117.13(13)
O2 C8 N2 124.83(19)
O2 C8 C9 120.95(15)
N2 C8 C9 114.22(12)
C8 C9 H9C 111.7(3)
C8 C9 H9B 109.6(4)
H9C C9 H9B 108.6(3)
C8 C9 H9A 108.5(3)
H9C C9 H9A 111.1(5)
H9B C9 H9A 107.2(4)
_cod_database_code 2100580