Synthesis of All Configurational Isomers of 1,6-Anhydro-2,3,4-trideoxy-2,3-epimino-4-fluoro-β-d-hexopyranoses
Jindřich Karban; Jan Sýkora; Jiří Kroutil; Ivana Císařová; Zdeňka Padělková; Miloš Buděšínský; Journal of Organic Chemistry 75 (2010) 3443–3446; doi:10.1021/jo1000912

data_4025406
_publ_section_title
;
 Synthesis of All Configurational Isomers of
 1,6-Anhydro-2,3,4-trideoxy-2,3-epimino-4-fluoro-\b-d-hexopyranoses
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3443
_journal_page_last               3446
_journal_paper_doi               10.1021/jo1000912
_journal_volume                  75
_journal_year                    2010
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C6 H8 F1 N1 O2'
_chemical_formula_sum            'C6 H8 F N O2'
_chemical_formula_weight         145.13
_space_group_IT_number           19
_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
_audit_creation_date             09-12-28
_audit_creation_method           CRYSTALS_ver_12.82
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.3879(3)
_cell_length_b                   9.4085(2)
_cell_length_c                   6.7494(2)
_cell_measurement_reflns_used    731
_cell_measurement_temperature    150
_cell_measurement_theta_max      26
_cell_measurement_theta_min      3
_cell_volume                     596.15(3)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT. Nonius (1997-2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.005
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            1192
_diffrn_reflns_theta_full        26.070
_diffrn_reflns_theta_max         26.070
_diffrn_reflns_theta_min         3.065
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.141
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
; 
 Gaussian Integration (Busing and Levy, 1957) 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.617
_exptl_crystal_description       rod
_exptl_crystal_F_000             304
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.12
_refine_diff_density_min         -0.18
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.8793
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     123
_refine_ls_number_reflns         674
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0270
_refine_ls_R_factor_gt           0.0246
_refine_ls_shift/su_max          0.000211
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 1.09 1.30 1.01 0.384 0.222 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0295
_refine_ls_wR_factor_gt          0.0285
_refine_ls_wR_factor_ref         0.0285
_reflns_limit_h_max              11
_reflns_limit_h_min              0
_reflns_limit_k_max              11
_reflns_limit_k_min              0
_reflns_limit_l_max              8
_reflns_limit_l_min              0
_reflns_number_gt                674
_reflns_number_total             718
_reflns_threshold_expression     I>1.96u(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_scale          1.030(3)
_cod_data_source_file            jo1000912_si_006.cif
_cod_data_source_block           CRYSTALS_cif
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_original_formula_sum        'C6 H8 F1 N1 O2'
_cod_database_code               4025406