Substituent effect on the formation of helical to layered hydrogen bond network in hydroxyl and carboxyl substituted 1-aryl-1H-1,2,3-triazoles.
Sankararaman, Sethuraman; V, Ramkumar; Sureshbabu, Beemineni; CrystEngComm  (2014) –; doi:10.1039/c4ce00738g

data_7215750
_publ_section_title
;
 Substituent effect on the formation of helical to layered hydrogen bond
 network in hydroxyl and carboxyl substituted 1-aryl-1H-1,2,3-triazoles.
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/c4ce00738g
_journal_year                    2014
_chemical_formula_moiety         'C10 H7 N3 O4'
_chemical_formula_sum            'C10 H7 N3 O4'
_chemical_formula_weight         233.19
_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                 96.602(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.0172(11)
_cell_length_b                   9.3768(19)
_cell_length_c                   21.357(4)
_cell_measurement_reflns_used    1334
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.73
_cell_measurement_theta_min      2.90
_cell_volume                     998.1(4)
_computing_cell_refinement       'APEXII/SAINT, Bruker,2004'
_computing_data_collection       'APEXII, Bruker,2004'
_computing_data_reduction        'SAINT PLUS/XPREP, Bruker,2004'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0477
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            6029
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.9878
_exptl_absorpt_correction_T_min  0.9698
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker,2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.552
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Square
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.200
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         1729
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0865
_refine_ls_R_factor_gt           0.0546
_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^)+(0.0456P)^2^+0.9243P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1173
_refine_ls_wR_factor_ref         0.1308
_reflns_number_gt                1215
_reflns_number_total             1729
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00738g1.cif
_cod_data_source_block           new2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_Hall     '-P 2yn '
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7215750