Disordered 4,4'-di-<i>O</i>-isobutyroyl-2,2',3,3',6,6'-hex-<i>O</i>-acetyl-α,α'-trehalose
Thomas C. Baddeley; Simon M. Clow; Philip J. Cox; Iain G. Davidson; Clare Ryder; James L. Wardell; Acta Crystallographica Section E 59 (2003) o848–o850; doi:10.1107/S1600536803010729

data_2201918
_publ_section_title
;Disordered
 4,4'-di-<i>O</i>-isobutyroyl-2,2',3,3',6,6'-hex-<i>O</i>-acetyl-\a,\a'-trehalose
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o848
_journal_page_last               o850
_journal_paper_doi               10.1107/S1600536803010729
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C32 H46 O19'
_chemical_formula_moiety         'C32 H46 O19'
_chemical_formula_sum            'C32 H46 O19'
_chemical_formula_weight         734.69
_chemical_name_systematic
;
4,4'-Di-isobutyroyl-2,2',3,3',6,6'-hexacetyl-\a,\a'-trehalose
;
_space_group_IT_number           92
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_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                   14.9188(9)
_cell_length_b                   14.9188(9)
_cell_length_c                   17.8355(6)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.67
_cell_measurement_theta_min      1.93
_cell_volume                     3969.7(4)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection
;
DENZO (Otwinowski & Minor, 1997) and COLLECT (Hooft, 1998)
;
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\f and \w scans to fill Ewald sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source
;
Enraf-Nonius FR591 rotating anode
;
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1324
_diffrn_reflns_av_sigmaI/netI    0.0470
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            50356
_diffrn_reflns_theta_full        25.67
_diffrn_reflns_theta_max         25.67
_diffrn_reflns_theta_min         1.93
_diffrn_standards_decay_%        none
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.9848
_exptl_absorpt_correction_T_min  0.9555
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
using multiple and symmetry-related data measurements via
SORTAV (Blessing, 1995, 1997)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.229
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lozenge
_exptl_crystal_F_000             1560
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.352
_refine_diff_density_min         -0.374
_refine_ls_extinction_coef       0.0117(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         2206
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.1031
_refine_ls_R_factor_gt           0.0534
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.1016P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1295
_refine_ls_wR_factor_ref         0.1545
_reflns_number_gt                1414
_reflns_number_total             2206
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cm6042.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (5
times).

'_geom_bond_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (57 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'Y' changed to 'y'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (5
times).

'_geom_bond_publ_flag' value 'N' changed to 'n' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (57
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_angle_publ_flag' value 'N' changed to 'n'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (111
times).

'_geom_torsion_publ_flag' value 'N' changed to 'n' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (52
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               2201918
_cod_database_fobs_code          2201918