Structural diversity of 1,2,4-diazaphospholide complexes with alkali metals.
Wan, Li; Pi, Chengfu; Zhang, Lan; Zheng, Wenjun; Weng, Linhong; Chen, Zhenxia; Zhang, Yong; Chemical communications (Cambridge, England)  (2008) 2266–2268; doi:10.1039/b800222c

data_7103114
_publ_section_title
;
 Structural diversity of 1,2,4-diazaphospholide complexes with alkali
 metals.
;
_journal_issue                   19
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2266
_journal_page_last               2268
_journal_paper_doi               10.1039/b800222c
_journal_year                    2008
_chemical_formula_sum            'C44 H52 Li2 N4 O4 P2'
_chemical_formula_weight         776.72
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.300(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.8365(18)
_cell_length_b                   13.267(2)
_cell_length_c                   14.755(2)
_cell_measurement_reflns_used    867
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      42.32
_cell_measurement_theta_min      2.260
_cell_volume                     2117.8(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0430
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            20390
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.07
_exptl_absorpt_coefficient_mu    0.148
_exptl_absorpt_correction_T_max  0.9513
_exptl_absorpt_correction_T_min  0.9362
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cubic
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.343
_refine_diff_density_min         -0.435
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.943
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     324
_refine_ls_number_reflns         3866
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.943
_refine_ls_R_factor_all          0.0928
_refine_ls_R_factor_gt           0.0733
_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^)+(0.0635P)^2^+3.4771P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1576
_refine_ls_wR_factor_ref         0.1697
_reflns_number_gt                3154
_reflns_number_total             3866
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b800222c.txt
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7103114