Supercooling Behavior and Dipole-Glass-like Relaxation in a Three-Dimensional Water Framework.
Huang, Rui-Kang; Wang, Sha-Sha; Liu, De-Xuan; Li, Xin; Song, Jian-Ming; Xia, Yuan-Hua; Zhou, Dong-Dong; Huang, Jin; Zhang, Wei-Xiong; Chen, Xiao-Ming; Journal of the American Chemical Society 141 (2019) 5645–5649; doi:10.1021/jacs.9b01866

data_4128409
_publ_section_title
;
 Supercooling Behavior and Dipole-Glass-like Relaxation in a
 Three-Dimensional Water Framework.
;
_journal_issue                   14
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5645
_journal_page_last               5649
_journal_paper_doi               10.1021/jacs.9b01866
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C12 H3 F9 N6, 7(H2 O)'
_chemical_formula_sum            'C12 H17 F9 N6 O7'
_chemical_formula_weight         528.31
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_date             2019-02-15
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90.85(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.297(3)
_cell_length_b                   7.7740(16)
_cell_length_c                   20.789(4)
_cell_measurement_reflns_used    39552
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.944
_cell_measurement_theta_min      0.3739
_cell_volume                     1987.1(7)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_details
' 2.00 degrees, 115.6 sec, detector distance 115.00 mm'
_diffrn_measurement_device_type  'Shanghai Synchrotron Radiation Facility'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.6525
_diffrn_reflns_av_unetI/netI     0.0381
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5529
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        23.048
_diffrn_reflns_theta_max         27.021
_diffrn_reflns_theta_min         1.799
_exptl_absorpt_coefficient_mu    0.156
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.766
_exptl_crystal_description       needle
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.723
_refine_diff_density_min         -0.781
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     376
_refine_ls_number_reflns         5529
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0602
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1118P)^2^+1.5880P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1762
_refine_ls_wR_factor_ref         0.1849
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5053
_reflns_number_total             5529
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            LTP.cif
_cod_data_source_block           ltp
_cod_database_code               4128409
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.992
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.653(3)
 0.347(3)
2. Uiso/Uaniso restraints and constraints
H1'A \\sim H1'B \\sim H2'A \\sim H2'B \\sim H3'A \\sim H3'B \\sim H3A \\sim H3B
\\sim H2A \\sim H2B \\sim H1A \\sim H1B \\sim H4A \\sim H4B: within 1.7A with
sigma of 0.01 and sigma for terminal atoms of 0.02
;
_shelx_res_checksum              45386
_shelx_hkl_checksum              60259
_olex2_submission_special_instructions 'No special instructions were received'