Synthesis of tricyclic 1,4-dihydro-1,4-phosphagermines - trying to establish molecular fencing of reactive centers.
Ramachandran, Mridhul R. K.; Karwasara, Surendar; Zhu, Hui; Schnakenburg, Gregor; Streubel, Rainer; Dalton transactions (Cambridge, England : 2003) 53 (2024) 7953–7957; doi:10.1039/d4dt00895b

data_7715767
_publ_section_title
;
 Synthesis of tricyclic 1,4-dihydro-1,4-phosphagermines - trying to
 establish molecular fencing of reactive centers.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7953
_journal_page_last               7957
_journal_paper_doi               10.1039/d4dt00895b
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C24 H46 Ge N7 P S2'
_chemical_formula_sum            'C24 H46 Ge N7 P S2'
_chemical_formula_weight         600.36
_chemical_name_systematic        MR-445
_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   geom
_audit_creation_date             2022-12-20
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2024-02-01 deposited with the CCDC.	2024-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                87.642(3)
_cell_angle_beta                 81.540(3)
_cell_angle_gamma                79.789(3)
_cell_formula_units_Z            2
_cell_length_a                   8.9922(3)
_cell_length_b                   10.9651(3)
_cell_length_c                   15.4675(5)
_cell_measurement_reflns_used    29498
_cell_measurement_temperature    100
_cell_measurement_theta_max      71.00
_cell_measurement_theta_min      4.10
_cell_volume                     1484.44(8)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54186
_diffrn_reflns_av_R_equivalents  0.0516
_diffrn_reflns_av_unetI/netI     0.0321
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            35661
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        67.686
_diffrn_reflns_theta_max         70.487
_diffrn_reflns_theta_min         4.979
_exptl_absorpt_coefficient_mu    3.423
_exptl_absorpt_correction_T_max  0.5059
_exptl_absorpt_correction_T_min  0.3874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE LANA, absorption correction by scaling of reflection intensities.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, "Comparison of different
absorption corrections on the model structure of tetrakis(\m~2~-acetato)-
diaqua-di-copper(II)", Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
Afterwards a spherical absorption correction was performed within STOE LANA.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_description       block
_exptl_crystal_F_000             636
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.574
_refine_diff_density_min         -0.449
_refine_diff_density_rms         0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         5589
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0697
_refine_ls_R_factor_gt           0.0547
_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^)+(0.0976P)^2^+1.5734P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1473
_refine_ls_wR_factor_ref         0.1599
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4500
_reflns_number_total             5589
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt00895b2.cif
_cod_data_source_block           3a
_cod_depositor_comments
'Adding full bibliography for 7715765--7715769.cif.'
_cod_database_code               7715767
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.847
_shelx_estimated_absorpt_t_min   0.533
_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
2.a Ternary CH refined with riding coordinates:
 C11(H11), C14(H14)
2.b Secondary CH2 refined with riding coordinates:
 C17(H17A,H17B), C19(H19A,H19B), C21(H21A,H21B), C23(H23A,H23B)
2.c Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C), C5(H5A,H5B,H5C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C),
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C15(H15A,H15B,H15C), C16(H16A,H16B,
 H16C), C18(H18A,H18B,H18C), C20(H20A,H20B,H20C), C22(H22A,H22B,H22C), C24(H24A,
 H24B,H24C)
;
_shelx_res_checksum              7578
_olex2_submission_special_instructions 'No special instructions were received'