Effects of organic ammonium cations on the isolation of {Ti<sub>4</sub>} cyclic clusters from water: an <sup>17</sup>O NMR study.
Liu, Weiming; Liu, Caiyun; Wu, Wenli; Zhang, Guanyun; Zhang, Jian; Tung, Chen-Ho; Wang, Yifeng; Dalton transactions (Cambridge, England : 2003) 49 (2020) 5957–5964; doi:10.1039/d0dt00165a

data_7703974
_publ_section_title
;
 Effects of organic ammonium cations on the isolation of {Ti<sub>4</sub>}
 cyclic clusters from water: an <sup>17</sup>O NMR study.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5957
_journal_page_last               5964
_journal_paper_doi               10.1039/d0dt00165a
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'O28 S4 Ti4, 2(C4 H14 N2), 2(O4 S)'
_chemical_formula_sum            'C8 H28 N4 O36 S6 Ti4'
_chemical_formula_weight         1140.30
_space_group_crystal_system      tetragonal
_space_group_IT_number           140
_space_group_name_Hall           '-I 4 2c'
_space_group_name_H-M_alt        'I 4/m c m'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-03-25
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-04-01 deposited with the CCDC.	2020-04-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.8316(2)
_cell_length_b                   13.8316(2)
_cell_length_c                   20.2120(4)
_cell_measurement_reflns_used    6134
_cell_measurement_temperature    173.00(10)
_cell_measurement_theta_max      76.1360
_cell_measurement_theta_min      4.3400
_cell_volume                     3866.82(11)
_computing_cell_refinement       'CrysAlisPro 1.171.40.25a (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.40.25a (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.40.25a (Rigaku OD, 2018)'
_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    'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      173.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -99.00 -57.00   1.00    0.30    --  -86.25  30.00 -74.00   42
  2  \w     85.00 165.00   1.00    0.30    --  106.49 140.00 150.00   80
  3  \w   -121.00 -36.00   1.00    0.10    --  -48.45 -38.00  60.00   85
  4  \w    -43.00 -17.00   1.00    0.30    --  -86.25  30.00 -74.00   26
  5  \w     34.00 120.00   1.00    0.30    --  106.49 -38.00  30.00   86
  6  \w     36.00 105.00   1.00    0.30    --  106.49 -99.00-180.00   69
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0878281000
_diffrn_orient_matrix_UB_12      0.0565590000
_diffrn_orient_matrix_UB_13      0.0264329000
_diffrn_orient_matrix_UB_21      -0.0536205000
_diffrn_orient_matrix_UB_22      -0.0958798000
_diffrn_orient_matrix_UB_23      0.0127107000
_diffrn_orient_matrix_UB_31      0.0427153000
_diffrn_orient_matrix_UB_32      -0.0040040000
_diffrn_orient_matrix_UB_33      0.0703165000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0393
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.969
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            5413
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.969
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         76.268
_diffrn_reflns_theta_min         4.375
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    10.944
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.32500
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.25a (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.959
_exptl_crystal_description       block
_exptl_crystal_F_000             2304
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.345
_refine_diff_density_min         -0.768
_refine_diff_density_rms         0.177
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.129
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     149
_refine_ls_number_reflns         1080
_refine_ls_number_restraints     187
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.1047
_refine_ls_R_factor_gt           0.0995
_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^)+(0.0570P)^2^+171.6096P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2233
_refine_ls_wR_factor_ref         0.2269
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1019
_reflns_number_total             1080
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00165a2.cif
_cod_data_source_block           ti4-buda
_cod_depositor_comments
'Adding full bibliography for 7703974--7703977.cif.'
_cod_original_cell_volume        3866.82(14)
_cod_database_code               7703974
_shelx_shelxl_version_number     2014/7
_chemical_oxdiff_formula         'Ti O S N C'
_reflns_odcompleteness_completeness 99.19
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     66.97
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups, All N(H,H,H) groups
2. Restrained distances
 N2-C3 = C3-C4 = C4-C5 = C5-C6 = C6-N7
 1.52 with sigma of 0.02
 S2-O6 = S2-O10 = S2-O8 = S2-O9
 1.5 with sigma of 0.02
 N2-C4 = C5-N7
 2.53 with sigma of 0.04
 C3-C5 = C4-C6
 2.54 with sigma of 0.04
 S2-O6 \\sim S2-O10 \\sim S2-O8 \\sim S2-O9
 with sigma of 0.02
 O6-O8 \\sim O10-O9 \\sim O6-O9 \\sim O10-O8 \\sim O6-O10 \\sim O8-O9
 with sigma of 0.04
3. Uiso/Uaniso restraints and constraints
N2 \\sim C3 \\sim C4 \\sim C5 \\sim C6 \\sim N7: within 2A with sigma of 0.04
and sigma for terminal atoms of 0.08
S2 \\sim O6 \\sim O10 \\sim O8 \\sim O9: within 2A with sigma of 0.04 and sigma
for terminal atoms of 0.08
Uanis(N7) \\sim Ueq, Uanis(N2) \\sim Ueq, Uanis(C3) \\sim Ueq, Uanis(C4) \\sim
Ueq, Uanis(C5) \\sim Ueq, Uanis(C6) \\sim Ueq: with sigma of 0.01 and sigma for
terminal atoms of 0.02
Uanis(S2) \\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
Uanis(N7) \\sim Ueq: with sigma of 0.001 and sigma for terminal atoms of 0.002
4. Rigid body (RIGU) restrains
 N2, C3, C4, C5, C6, N7
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
 C4, N2, C3, C5, C6, N7
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
 S2, O6, O10, O8, O9
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.001
5. Others
 Fixed Sof: N2(0.25) H2A(0.25) H2B(0.25) H2C(0.25) C3(0.25) H3A(0.25)
 H3B(0.25) C4(0.25) H4A(0.25) H4B(0.25) C5(0.25) H5A(0.25) H5B(0.25) C6(0.25)
 H6A(0.25) H6B(0.25) N7(0.25) H7A(0.25) H7B(0.25) H7C(0.25) S2(0.25) O6(0.25)
 O10(0.25) O8(0.25) O9(0.25)
6.a Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B)
6.b Idealised Me refined as rotating group:
 N2(H2A,H2B,H2C), N7(H7A,H7B,H7C)
;
_shelx_res_checksum              23109
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.123
_oxdiff_exptl_absorpt_empirical_full_min 0.745