Solving the P-O/P-OH riddle: direct synthesis and neutron diffraction characterization of dianionic dithiophosphonates.
Pillay, Michael N.; Li, Min-Chi; Ni, Yu-Rong; Yen, Wei-Jung; Chiu, Tzu-Hao; Wang, Xiaoping; Saillard, Jean-Yves; Liu, C. W.; Dalton transactions (Cambridge, England : 2003) 55 (2026) 1637–1641; doi:10.1039/d5dt02816g

data_7720456
_publ_section_title
;
 Solving the P-O/P-OH riddle: direct synthesis and neutron diffraction
 characterization of dianionic dithiophosphonates.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1637
_journal_page_last               1641
_journal_paper_doi               10.1039/d5dt02816g
_journal_volume                  55
_journal_year                    2026
_chemical_formula_moiety         'C43 H37 O2 P3 Pt S2, 0.2(H2 O), C H2 Cl2'
_chemical_formula_sum            'C44 H39.4 Cl2 O2.2 P3 Pt S2'
_chemical_formula_weight         1026.37
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2025-12-15
_audit_creation_method
;
Olex2 1.5-ac7-013
(compiled 2025.01.02 svn.rf662f148 for Rigaku Oxford Diffraction, GUI svn.r7109)
;
_audit_update_record
;
2025-12-16 deposited with the CCDC.	2025-12-23 downloaded from the CCDC.
;
_cell_angle_alpha                77.3140(10)
_cell_angle_beta                 87.4950(10)
_cell_angle_gamma                76.6720(10)
_cell_formula_units_Z            2
_cell_length_a                   11.16470(10)
_cell_length_b                   13.20840(10)
_cell_length_c                   14.5162(2)
_cell_measurement_reflns_used    49756
_cell_measurement_temperature    100.15
_cell_measurement_theta_max      77.0110
_cell_measurement_theta_min      3.1010
_cell_volume                     2032.11(4)
_computing_data_collection
'CrysAlisPro system (CCD 44.116a 64-bit (release 30-06-2025))'
_computing_data_reduction        'CrysAlisPro 1.171.44.120a (Rigaku OD, 2025)'
_computing_molecular_graphics    'Olex2 1.5-ac7-013 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-ac7-013 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.15
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type
'XtaLAB Synergy, Single source at home/near, HyPix-Arc 100'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0746
_diffrn_reflns_av_unetI/netI     0.0295
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.963
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            78921
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.963
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         77.773
_diffrn_reflns_theta_min         3.121
_exptl_absorpt_coefficient_mu    10.050
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.608
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.44.129a (Rigaku Oxford Diffraction, 2025)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
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    1.677
_exptl_crystal_description       block
_exptl_crystal_F_000             1020
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.016
_refine_diff_density_min         -1.823
_refine_diff_density_rms         0.110
_refine_ls_extinction_coef       0.00049(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     504
_refine_ls_number_reflns         8349
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0293
_refine_ls_R_factor_gt           0.0289
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0384P)^2^+4.5885P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0752
_refine_ls_wR_factor_ref         0.0755
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8188
_reflns_number_total             8349
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt02816g2.cif
_cod_data_source_block           3
_cod_original_formula_sum        'C44 H39.40 Cl2 O2.20 P3 Pt S2'
_cod_database_code               7720456
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_max   0.633
_shelx_estimated_absorpt_t_min   0.296
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H,H) groups
2. Restrained distances
 O3-H1M = O3-H2M
 0.82 with sigma of 0.01
 H1M-H2M
 -1.4 with sigma of 0.05
3. Others
 Fixed Sof: O3(0.2) H1M(0.2) H2M(0.2)
4.a Secondary CH2 refined with riding coordinates:
 C44(H44A,H44B)
4.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C12(H12),
 C13(H13), C15(H15), C16(H16), C17(H17), C18(H18), C19(H19), C21(H21), C22(H22),
  C23(H23), C24(H24), C25(H25), C27(H27), C28(H28), C29(H29), C30(H30),
 C31(H31), C33(H33), C34(H34), C35(H35), C36(H36), C37(H37), C39(H39), C40(H40),
  C41(H41), C42(H42), C43(H43)
4.c Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C)
;
_shelx_res_checksum              60753
_shelx_hkl_checksum              26614
_olex2_submission_special_instructions 'No special instructions were received'