#------------------------------------------------------------------------------
#$Date: 2011-09-28 17:24:46 +0300 (Wed, 28 Sep 2011) $
#$Revision: 26848 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/10/06/2100601.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_2100601
loop_
_publ_author_name
'L. Smrcok'
'M. Sl\'adkovicov\'a'
'V. Langer'
'C. C. Wilson'
'M. Ko\'os'
_publ_section_title
;
On hydrogen bonding in 1,6-anhydro-\b-D-glucopyranose
(levoglucosan): X-ray and neutron diffraction and DFT study
;
_journal_coeditor_code           BS5034
_journal_date_accepted           2006-06-28
_journal_date_recd_electronic    2006-04-24
_journal_issue                   2
_journal_name_full               'Acta Crystallographica, Section B'
_journal_page_first              912
_journal_page_last               918
_journal_paper_category          FA
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C6 H10 O5'
_chemical_formula_sum            'C6 H10 O5'
_chemical_formula_weight         162.14
_chemical_name_common            Levoglucosan
_chemical_name_systematic
;
1,6-anhydro-beta-D-glucopyranose
;
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.66140(10)
_cell_length_b                   13.3104(2)
_cell_length_c                   7.49140(10)
_cell_measurement_reflns_used    8067
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      32.82
_cell_measurement_theta_min      3.06
_cell_volume                     664.232(17)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1995)'
_computing_data_reduction
'SAINT (Siemens, 1995) & SADABS (Sheldrick, 2002)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2000)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Siemens Smart 1K CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0422
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11258
_diffrn_reflns_theta_full        32.82
_diffrn_reflns_theta_max         32.82
_diffrn_reflns_theta_min         3.06
_diffrn_standards_decay_%        none
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.143
_exptl_absorpt_correction_T_max  0.9450
_exptl_absorpt_correction_T_min  0.8302
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2002)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.621
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             344
_exptl_crystal_size_max          1.35
_exptl_crystal_size_mid          0.70
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.336
_refine_diff_density_min         -0.299
_refine_ls_extinction_coef       0.076(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELX
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         2370
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0320
_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^)+(0.0500P)^2^+0.0743P]  where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0779
_refine_ls_wR_factor_ref         0.0832
_reflns_number_gt                1265
_reflns_number_total             1401
_reflns_threshold_expression     >2\s(I)
_[local]_cod_data_source_file    bs5034.cif
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'-x, y+1/2, -z+1/2'
'x+1/2, -y+1/2, -z'
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 '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'
O O 0.0106 0.0060 '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_refinement_flags
_atom_site_occupancy
O O1 0.04814(12) -0.01528(6) 0.23124(12) 0.02111(18) Uani d . 1
O O2 0.41784(11) 0.19017(6) 0.24775(10) 0.01727(16) Uani d . 1
H H2 0.4032 0.1946 0.3588 0.044(5) Uiso calc R 1
O O3 -0.02490(13) 0.14835(6) -0.02314(11) 0.01942(17) Uani d . 1
H H3 -0.0446 0.1905 -0.1047 0.027(4) Uiso calc R 1
O O4 -0.00405(13) 0.29106(6) 0.39476(10) 0.01748(16) Uani d . 1
H H4 -0.0357 0.3465 0.3491 0.038(5) Uiso calc R 1
O O5 0.11548(12) 0.09101(6) 0.46025(10) 0.01774(16) Uani d . 1
C C1 0.20150(17) 0.04795(8) 0.30570(16) 0.0170(2) Uani d . 1
H H1 0.3223 0.0072 0.3379 0.028(4) Uiso calc R 1
C C2 0.25850(15) 0.13124(7) 0.17442(13) 0.01365(18) Uani d . 1
H H2A 0.3095 0.0986 0.0631 0.021(4) Uiso calc R 1
C C3 0.07484(15) 0.19612(7) 0.12359(13) 0.01348(17) Uani d . 1
H H3A 0.1234 0.2636 0.0837 0.016(3) Uiso calc R 1
C C4 -0.07214(15) 0.21082(7) 0.28171(13) 0.01428(18) Uani d . 1
H H4A -0.2088 0.2272 0.2346 0.017(3) Uiso calc R 1
C C5 -0.08416(16) 0.11760(8) 0.39877(14) 0.01606(19) Uani d . 1
H H5 -0.1771 0.1286 0.5018 0.018(4) Uiso calc R 1
C C6 -0.14303(18) 0.02340(8) 0.29380(17) 0.0201(2) Uani d . 1
H H6A -0.2117 -0.0260 0.3715 0.025(4) Uiso calc R 1
H H6B -0.2321 0.0405 0.1925 0.025(4) Uiso calc R 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 0.0221(4) 0.0122(3) 0.0290(4) -0.0015(3) 0.0049(3) -0.0039(3)
O2 0.0152(3) 0.0220(4) 0.0146(3) -0.0040(3) -0.0009(3) 0.0006(3)
O3 0.0250(4) 0.0188(4) 0.0145(3) -0.0020(3) -0.0062(3) 0.0004(3)
O4 0.0233(4) 0.0117(3) 0.0175(3) 0.0016(3) 0.0012(3) -0.0017(3)
O5 0.0202(4) 0.0174(3) 0.0157(3) 0.0013(3) -0.0001(3) 0.0032(3)
C1 0.0181(5) 0.0127(4) 0.0202(5) 0.0017(3) 0.0009(4) 0.0015(3)
C2 0.0135(4) 0.0134(4) 0.0140(4) 0.0003(3) 0.0003(3) -0.0002(3)
C3 0.0147(4) 0.0131(4) 0.0127(4) -0.0010(3) -0.0011(3) 0.0007(3)
C4 0.0140(4) 0.0124(4) 0.0165(4) 0.0003(3) 0.0003(3) 0.0001(3)
C5 0.0162(4) 0.0137(4) 0.0182(4) -0.0010(4) 0.0037(4) 0.0003(4)
C6 0.0202(5) 0.0148(4) 0.0254(5) -0.0047(4) 0.0043(4) -0.0008(4)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C1 1.4364(14)
O1 C6 1.4514(14)
O2 C2 1.4296(12)
O2 H2 0.8400
O3 C3 1.4331(12)
O3 H3 0.8400
O4 C4 1.4366(12)
O4 H4 0.8400
O5 C1 1.4133(14)
O5 C5 1.4512(13)
C1 C2 1.5298(14)
C1 H1 1.0000
C2 C3 1.5452(14)
C2 H2A 1.0000
C3 C4 1.5492(14)
C3 H3A 1.0000
C4 C5 1.5215(14)
C4 H4A 1.0000
C5 C6 1.5310(15)
C5 H5 1.0000
C6 H6A 0.9900
C6 H6B 0.9900
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C1 O1 C6 106.90(8)
C2 O2 H2 109.5
C3 O3 H3 109.5
C4 O4 H4 109.5
C1 O5 C5 102.15(8)
O5 C1 O1 105.51(9)
O5 C1 C2 109.48(8)
O1 C1 C2 110.58(9)
O5 C1 H1 110.4
O1 C1 H1 110.4
C2 C1 H1 110.4
O2 C2 C1 109.56(8)
O2 C2 C3 112.08(8)
C1 C2 C3 111.53(9)
O2 C2 H2A 107.8
C1 C2 H2A 107.8
C3 C2 H2A 107.8
O3 C3 C2 107.95(8)
O3 C3 C4 110.45(8)
C2 C3 C4 112.49(8)
O3 C3 H3A 108.6
C2 C3 H3A 108.6
C4 C3 H3A 108.6
O4 C4 C5 106.45(8)
O4 C4 C3 110.19(8)
C5 C4 C3 111.77(8)
O4 C4 H4A 109.5
C5 C4 H4A 109.5
C3 C4 H4A 109.5
O5 C5 C4 109.48(8)
O5 C5 C6 101.42(8)
C4 C5 C6 112.66(9)
O5 C5 H5 111.0
C4 C5 H5 111.0
C6 C5 H5 111.0
O1 C6 C5 103.39(8)
O1 C6 H6A 111.1
C5 C6 H6A 111.1
O1 C6 H6B 111.1
C5 C6 H6B 111.1
H6A C6 H6B 109.0
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
C5 O5 C1 O1 -43.04(10)
C5 O5 C1 C2 75.97(10)
C6 O1 C1 O5 24.05(11)
C6 O1 C1 C2 -94.23(10)
O5 C1 C2 O2 66.94(11)
O1 C1 C2 O2 -177.22(8)
O5 C1 C2 C3 -57.74(11)
O1 C1 C2 C3 58.09(11)
O2 C2 C3 O3 150.40(8)
C1 C2 C3 O3 -86.34(10)
O2 C2 C3 C4 -87.48(10)
C1 C2 C3 C4 35.78(11)
O3 C3 C4 O4 -156.72(8)
C2 C3 C4 O4 82.59(10)
O3 C3 C4 C5 85.14(10)
C2 C3 C4 C5 -35.55(11)
C1 O5 C5 C4 -75.36(9)
C1 O5 C5 C6 43.88(10)
O4 C4 C5 O5 -64.48(10)
C3 C4 C5 O5 55.88(11)
O4 C4 C5 C6 -176.52(8)
C3 C4 C5 C6 -56.16(12)
C1 O1 C6 C5 3.71(11)
O5 C5 C6 O1 -29.00(10)
C4 C5 C6 O1 87.94(11)
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_site_symmetry_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_publ_flag
O2 H2 O5 . 0.84 2.48 2.8867(11) 110.7 n
O2 H2 O4 4_556 0.84 1.96 2.7396(11) 154.8 n
O3 H3 O2 4_455 0.84 1.93 2.7562(11) 166.7 n
O4 H4 O1 3 0.84 1.94 2.7608(11) 166.2 n
C4 H4A O2 1_455 1.00 2.54 3.4180(13) 146.7 n
C5 H5 O4 4_456 1.00 2.55 3.4197(14) 145.6 n
C6 H6A O3 2_455 0.99 2.52 3.4641(13) 159.2 n
C6 H6B O3 . 0.99 2.56 3.0037(15) 106.8 n
_cod_database_code 2100601