Ion-bearing stairs: alkali metal complexes of 1,2-diaza-4-phospholides.
Zhao, Minggang; Xue, Tingting; He, Ru-Ru; Ma, Jianping; Zheng, Wenjun; Dalton transactions (Cambridge, England : 2003) 51 (2022) 1634–1645; doi:10.1039/d1dt03601g

data_7709275
_publ_section_title
;
 Ion-bearing stairs: alkali metal complexes of 1,2-diaza-4-phospholides.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1634
_journal_page_last               1645
_journal_paper_doi               10.1039/d1dt03601g
_journal_volume                  51
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C32 H60 Li2 N4 O4 P2'
_chemical_formula_sum            'C32 H60 Li2 N4 O4 P2'
_chemical_formula_weight         640.66
_space_group_crystal_system      tetragonal
_space_group_IT_number           118
_space_group_name_Hall           'P -4 -2n'
_space_group_name_H-M_alt        'P -4 n 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2021-05-11
_audit_creation_method
;
  Olex2 1.2
  (compiled Apr 23 2013 17:54:37, GUI svn.r4466)
;
_audit_update_record
;
2021-05-24 deposited with the CCDC.	2021-12-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.3048(4)
_cell_length_b                   14.3048(4)
_cell_length_c                   9.9886(6)
_cell_measurement_reflns_used    5746
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.6590
_cell_measurement_theta_min      3.1540
_cell_volume                     2043.94(15)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
'SUPERFLIP, J. Appl. Cryst. (2007) 40, 786-790'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.0251
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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    -11.00  83.00   1.00   28.52    --   15.84  77.00  90.00   94
  2  \w    -52.00  43.00   1.00   28.52    --   15.84 -77.00 -30.00   95
  3  \w     -1.00  83.00   1.00   28.52    --   15.84  57.00 -30.00   84
  4  \w    -53.00  35.00   1.00   28.52    --   15.84 -37.00-180.00   88
  5  \w    -44.00  50.00   1.00   28.52    --  -17.40  77.00-180.00   94
  6  \w    -25.00  22.00   1.00   28.52    --  -17.40 -99.00 -30.00   47
  7  \w    -37.00  44.00   1.00   28.52    --  -17.40  37.00  90.00   81
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0396073000
_diffrn_orient_matrix_UB_12      0.0236350000
_diffrn_orient_matrix_UB_13      -0.0260378000
_diffrn_orient_matrix_UB_21      0.0111940000
_diffrn_orient_matrix_UB_22      -0.0397801000
_diffrn_orient_matrix_UB_23      -0.0392224000
_diffrn_orient_matrix_UB_31      -0.0275976000
_diffrn_orient_matrix_UB_32      0.0177853000
_diffrn_orient_matrix_UB_33      -0.0532447000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0402
_diffrn_reflns_av_unetI/netI     0.0218
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            22779
_diffrn_reflns_theta_full        25.65
_diffrn_reflns_theta_max         25.65
_diffrn_reflns_theta_min         2.86
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.141
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.29252
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.041
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.200
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     101
_refine_ls_number_reflns         1944
_refine_ls_number_restraints     34
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0577
_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^)+(0.0990P)^2^+0.1826P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1553
_refine_ls_wR_factor_ref         0.1666
_reflns_number_gt                1533
_reflns_number_total             1944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d1dt03601g2.cif
_cod_data_source_block           20210506-1
_cod_depositor_comments
'Adding full bibliography for 7709271--7709278.cif.'
_cod_original_cell_volume        2043.93(15)
_cod_database_code               7709275
_reflns_odcompleteness_completeness 99.60
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_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. Rigid bond restraints
 C5, C6, C7, C8, O1
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
 C1, C2, C3, C4
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
3. Uiso/Uaniso restraints and constraints
Uanis(C3) \\sim Ueq, Uanis(C6) \\sim Ueq, Uanis(C7) \\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
4.a Ternary CH refined with riding coordinates:
 C2(H2)
4.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C6(H6A,H6B), C7(H7A,H7B), C8(H8A,H8B)
4.c Me refined with riding coordinates:
 C3(H3A,H3B,H3C), C4(H4A,H4B,H4C)
;
_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 2.632
_oxdiff_exptl_absorpt_empirical_full_min 0.744