Quasi-enantiomeric single-nucleoside and quasi-racemic two-nucleoside hydrochloride salts and ruthenium complexes of cytidine and 2′,3′-dideoxycytidine analogs unveiling the negligible structure-driving role of the 2′,3′-moieties
Martins, Felipe Terra; Corrêa, Rodrigo S.; Batista, Alzir Azevedo; Ellena, Javier; CrystEngComm 16 (2014) 7013–; doi:10.1039/C4CE00678J

data_7217335
_publ_section_title
;
 Quasi-enantiomeric single-nucleoside and quasi-racemic two-nucleoside
 hydrochloride salts and ruthenium complexes of cytidine and
 2&#x2032;,3&#x2032;-dideoxycytidine analogs unveiling the negligible
 structure-driving role of the 2&#x2032;,3&#x2032;-moieties
;
_journal_issue                   30
_journal_name_full               CrystEngComm
_journal_page_first              7013
_journal_paper_doi               10.1039/C4CE00678J
_journal_volume                  16
_journal_year                    2014
_chemical_absolute_configuration rmad
_chemical_compound_source        'Polymorph Screening'
_chemical_formula_moiety         'C9 H14 N3 O3, Cl'
_chemical_formula_sum            'C9 H14 Cl N3 O3'
_chemical_formula_weight         247.68
_chemical_name_common            'zalcitabine hydrochloride'
_chemical_name_systematic
;
2',3'-dideoxycytidine hydrochloride
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_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_date             2008-07-31T17:12:02-00:00
_audit_creation_method           'WinGx routine CIF_UPDATE'
_cell_angle_alpha                90.00
_cell_angle_beta                 105.3269(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.4672(20)
_cell_length_b                   11.9780(29)
_cell_length_c                   8.5397(20)
_cell_measurement_reflns_used    11644
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.09
_cell_measurement_theta_min      4.21
_cell_volume                     539.3(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski Minor 1997)'
_computing_data_collection       'Collect (Bruker AxS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski Minor 1997)'
_computing_structure_refinement  'SHELxL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0759
_diffrn_reflns_av_sigmaI/netI    0.0440
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            11644
_diffrn_reflns_theta_full        27.09
_diffrn_reflns_theta_max         27.09
_diffrn_reflns_theta_min         4.21
_exptl_absorpt_coefficient_mu    0.351
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.860
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
P. Coppens, L. Leiserowitz, D Rabinovich, Acta Cryst.
(1965), 18, 1035-1038
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.525
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             260
_exptl_crystal_size_max          0.601
_exptl_crystal_size_mid          0.115
_exptl_crystal_size_min          0.056
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.338
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2237
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0413
_refine_ls_R_factor_gt           0.0403
_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^)+(0.0668P)^2^+0.1349P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1035
_refine_ls_wR_factor_ref         0.1053
_reflns_number_gt                2183
_reflns_number_total             2237
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7215881
_cod_data_source_file            c4ce00678j2.cif
_cod_data_source_block           ZalHCl_LT
_cod_original_sg_symbol_H-M      P21
_cod_database_code               7217335