Investigating Unused Hydrogen Bond Acceptors Using Known and Hypothetical Crystal Polymorphism
Lewis, Thomas C.; Tocher, Derek A.; Price, Sarah L.; Crystal Growth & Design 5 (2005) 983–; doi:10.1021/cg049661o

data_4504947
_publ_section_title
;
 Investigating Unused Hydrogen Bond Acceptors Using Known and Hypothetical
 Crystal Polymorphism
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              983
_journal_paper_doi               10.1021/cg049661o
_journal_volume                  5
_journal_year                    2005
_chemical_formula_sum            'C6 H10 N4 O4'
_chemical_formula_weight         202.18
_chemical_name_common
;
Cyanuric acid DMF solvate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.940(8)
_cell_angle_beta                 87.597(9)
_cell_angle_gamma                67.677(8)
_cell_formula_units_Z            2
_cell_length_a                   6.297(4)
_cell_length_b                   7.674(4)
_cell_length_c                   10.557(6)
_cell_measurement_reflns_used    2614
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.32
_cell_measurement_theta_min      2.98
_cell_volume                     454.8(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.894
_diffrn_measurement_device_type  'Bruker SMART APEX diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0452
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3807
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.32
_diffrn_reflns_theta_min         2.00
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.9791
_exptl_absorpt_correction_T_min  0.8637
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.476
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             212
_exptl_crystal_size_max          1.21
_exptl_crystal_size_mid          0.47
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.362
_refine_diff_density_min         -0.210
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2033
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0443
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0636P)^2^+0.0916P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1169
_refine_ls_wR_factor_ref         0.1191
_reflns_number_gt                1892
_reflns_number_total             2033
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg049661osi20041005_081815.cif
_cod_data_source_block           cyanuricacidDMFsolvate
_cod_original_cell_volume        454.8(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4504947