Studies on the synthesis of sugar triazole based ligand for protein and DNA binding
Hemamalini, Arasappan; Mohan das, Thangamuthu; RSC Advances  (2014) –; doi:10.1039/C4RA04084H

data_7217237
_publ_section_title
;
 Studies on the synthesis of sugar triazole based ligand for protein and
 DNA binding
;
_journal_name_full               'RSC Advances'
_journal_paper_doi               10.1039/C4RA04084H
_journal_year                    2014
_chemical_formula_sum            'C11 H8 O3'
_chemical_formula_weight         216.19
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.727(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.5734(4)
_cell_length_b                   17.8195(13)
_cell_length_c                   13.2690(11)
_cell_measurement_reflns_used    3855
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.8
_cell_measurement_theta_min      2.75
_cell_volume                     1080.88(15)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'bruker axs kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_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  0.0262
_diffrn_reflns_av_sigmaI/netI    0.0240
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15476
_diffrn_reflns_theta_full        31.81
_diffrn_reflns_theta_max         31.81
_diffrn_reflns_theta_min         2.29
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.9804
_exptl_absorpt_correction_T_min  0.9108
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.250
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.900
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     153
_refine_ls_number_reflns         3680
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.900
_refine_ls_R_factor_all          0.0770
_refine_ls_R_factor_gt           0.0452
_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^)+(0.1031P)^2^+0.1368P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1357
_refine_ls_wR_factor_ref         0.1673
_reflns_number_gt                2354
_reflns_number_total             3680
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra04084h2.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7217237