#------------------------------------------------------------------------------
#$Date: 2017-10-13 14:42:48 +0300 (Fri, 13 Oct 2017) $
#$Revision: 201982 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/02/26/4022632.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4022632
loop_
_publ_author_name
'Ireneusz Nowak'
'John F. Cannon'
'Morris J. Robins'
_publ_section_title
;
 Addition of Difluorocarbene to 3',4'-Unsaturated Nucleosides:
 Synthesis of 2'-Deoxy Analogues with a 2-Oxabicyclo[3.1.0]hexane Framework
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              532
_journal_page_last               537
_journal_paper_doi               10.1021/jo061965p
_journal_volume                  72
_journal_year                    2007
_chemical_absolute_configuration ad
_chemical_formula_sum            'C10 H10 F2 N2 O4'
_chemical_formula_weight         260.20
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 96.388(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.5347(6)
_cell_length_b                   7.0844(7)
_cell_length_c                   11.6550(11)
_cell_measurement_reflns_used    68
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      13.13
_cell_measurement_theta_min      4.74
_cell_volume                     536.21(9)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '2θ/ω 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  0.0198
_diffrn_reflns_av_sigmaI/netI    0.0314
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       1
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            1522
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         3.14
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.147
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.612
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             268
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.48
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.133
_refine_diff_density_min         -0.155
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.3(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         1031
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0419
_refine_ls_R_factor_gt           0.0349
_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/[σ²(Fo²)+(0.0464P)²+0.0670P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0883
_reflns_number_gt                909
_reflns_number_total             1031
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo061965psi20060925_123127.cif
_cod_data_source_block           xl519
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4022632
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
C4 C 0.1627(5) 0.3490(5) 0.9620(3) 0.0406(7) Uani 1 1 d .
C5 C 0.2537(5) 0.5052(5) 0.9100(3) 0.0489(8) Uani 1 1 d .
H5 H 0.2064 0.6270 0.9209 0.059 Uiso 1 1 calc R
C6 C 0.4079(5) 0.4755(5) 0.8454(3) 0.0496(8) Uani 1 1 d .
H6 H 0.4667 0.5788 0.8123 0.059 Uiso 1 1 calc R
C2 C 0.3922(5) 0.1387(6) 0.8654(3) 0.0440(7) Uani 1 1 d .
C1' C 0.6634(5) 0.2741(5) 0.7614(3) 0.0449(8) Uani 1 1 d .
H1' H 0.7390 0.1603 0.7888 0.054 Uiso 1 1 calc R
C2' C 0.6114(5) 0.2630(6) 0.6297(3) 0.0554(10) Uani 1 1 d .
H2'A H 0.6391 0.1376 0.6017 0.066 Uiso 1 1 calc R
H2'B H 0.4676 0.2929 0.6077 0.066 Uiso 1 1 calc R
C3' C 0.7477(5) 0.4058(5) 0.5820(3) 0.0492(9) Uani 1 1 d .
H7' H 0.6975 0.4735 0.5111 0.059 Uiso 1 1 calc R
C4' C 0.8444(6) 0.5170(5) 0.6858(3) 0.0464(8) Uani 1 1 d .
C5' C 0.8484(8) 0.7290(7) 0.6902(4) 0.0725(12) Uani 1 1 d .
H5'A H 0.9104 0.7708 0.7653 0.087 Uiso 1 1 calc R
H5'B H 0.9301 0.7776 0.6322 0.087 Uiso 1 1 calc R
C6' C 0.9703(5) 0.3968(6) 0.6177(3) 0.0536(9) Uani 1 1 d .
F1 F 1.0571(3) 0.2384(4) 0.6630(2) 0.0702(6) Uani 1 1 d .
F2 F 1.1019(4) 0.4775(5) 0.55089(19) 0.0836(8) Uani 1 1 d .
N3 N 0.2358(4) 0.1740(4) 0.9329(3) 0.0452(7) Uani 1 1 d .
N1 N 0.4822(4) 0.2986(4) 0.8261(2) 0.0447(7) Uani 1 1 d .
O2 O 0.4438(4) -0.0201(4) 0.8427(2) 0.0588(7) Uani 1 1 d .
O4 O 0.0278(4) 0.3582(4) 1.02758(19) 0.0528(7) Uani 1 1 d .
O4' O 0.7896(3) 0.4341(4) 0.78624(17) 0.0470(6) Uani 1 1 d .
O5' O 0.6433(7) 0.7982(5) 0.6693(3) 0.0996(12) Uani 1 1 d .
H5'C H 0.6110 0.8488 0.7280 0.149 Uiso 1 1 calc R
H3 H 0.178(6) 0.087(7) 0.958(4) 0.061(13) Uiso 1 1 d .
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'
N N 0.0061 0.0033 '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'
F F 0.0171 0.0103 '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
O4 C4 N3 119.4(3)
O4 C4 C5 125.8(3)
N3 C4 C5 114.9(3)
C6 C5 C4 119.5(3)
C6 C5 H5 120.2
C4 C5 H5 120.2
C5 C6 N1 122.5(3)
C5 C6 H6 118.7
N1 C6 H6 118.7
O2 C2 N1 123.4(3)
O2 C2 N3 122.3(3)
N1 C2 N3 114.3(3)
O4' C1' N1 106.4(3)
O4' C1' C2' 107.8(3)
N1 C1' C2' 114.4(3)
O4' C1' H1' 109.4
N1 C1' H1' 109.4
C2' C1' H1' 109.4
C3' C2' C1' 105.2(3)
C3' C2' H2'A 110.7
C1' C2' H2'A 110.7
C3' C2' H2'B 110.7
C1' C2' H2'B 110.7
H2'A C2' H2'B 108.8
C6' C3' C2' 118.5(3)
C6' C3' C4' 59.1(2)
C2' C3' C4' 105.5(3)
C6' C3' H7' 119.2
C2' C3' H7' 119.2
C4' C3' H7' 119.2
O4' C4' C6' 114.8(3)
O4' C4' C5' 113.5(3)
C6' C4' C5' 125.9(4)
O4' C4' C3' 109.1(3)
C6' C4' C3' 58.7(2)
C5' C4' C3' 123.3(4)
O5' C5' C4' 109.1(4)
O5' C5' H5'A 109.9
C4' C5' H5'A 109.9
O5' C5' H5'B 109.9
C4' C5' H5'B 109.9
H5'A C5' H5'B 108.3
F1 C6' F2 108.3(3)
F1 C6' C3' 120.7(3)
F2 C6' C3' 119.5(3)
F1 C6' C4' 120.6(3)
F2 C6' C4' 119.7(4)
C3' C6' C4' 62.2(2)
C2 N3 C4 126.8(3)
C2 N3 H3 119(3)
C4 N3 H3 114(3)
C6 N1 C2 121.6(3)
C6 N1 C1' 120.5(3)
C2 N1 C1' 117.9(3)
C4' O4' C1' 111.4(2)
C5' O5' H5'C 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C4 O4 1.231(4)
C4 N3 1.384(4)
C4 C5 1.423(5)
C5 C6 1.340(5)
C5 H5 0.9300
C6 N1 1.372(5)
C6 H6 0.9300
C2 O2 1.212(5)
C2 N1 1.378(5)
C2 N3 1.380(4)
C1' O4' 1.413(4)
C1' N1 1.483(4)
C1' C2' 1.536(5)
C1' H1' 0.9800
C2' C3' 1.495(5)
C2' H2'A 0.9700
C2' H2'B 0.9700
C3' C6' 1.470(5)
C3' C4' 1.520(5)
C3' H7' 0.9800
C4' O4' 1.391(4)
C4' C6' 1.476(5)
C4' C5' 1.503(6)
C5' O5' 1.423(6)
C5' H5'A 0.9700
C5' H5'B 0.9700
C6' F1 1.338(5)
C6' F2 1.350(4)
N3 H3 0.80(5)
O5' H5'C 0.8200
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
N3 H3 O4 0.80(5) 2.12(5) 2.891(4) 162(4) 2_547
O5' H5'C O2 0.82 2.04 2.833(4) 162.0 1_565
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 17261546
