Investigation of the structure variation of metal diphosphonates with the changing of N-donor auxiliary ligands and their properties
Tang, Si-Fu; Li, Liang-Jun; Wang, Chao; Zhao, Xue-Bo; CrystEngComm 16 (2014) 9104–; doi:10.1039/C4CE01266F

data_7217602
_publ_section_title
;
 Investigation of the structure variation of metal diphosphonates with the
 changing of N-donor auxiliary ligands and their properties
;
_journal_issue                   38
_journal_name_full               CrystEngComm
_journal_page_first              9104
_journal_paper_doi               10.1039/C4CE01266F
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C28 H30 N4 Ni O8 P2'
_chemical_formula_weight         671.21
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           161
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3 -2"c'
_symmetry_space_group_name_H-M   'R 3 c :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   23.7747(14)
_cell_length_b                   23.7747(14)
_cell_length_c                   28.216(4)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      1.71
_cell_volume                     13812(2)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1277
_diffrn_reflns_av_sigmaI/netI    0.1205
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            20167
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.791
_exptl_absorpt_correction_T_max  0.909
_exptl_absorpt_correction_T_min  0.801
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.453
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             6264
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.781
_refine_diff_density_min         -0.412
_refine_diff_density_rms         0.103
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.04(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     390
_refine_ls_number_reflns         5033
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.1272
_refine_ls_R_factor_gt           0.0666
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0994P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1512
_refine_ls_wR_factor_ref         0.1891
_reflns_number_gt                3139
_reflns_number_total             5033
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01266f2.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7217600--7217608.cif.
;
_cod_original_sg_symbol_H-M      R3c
_cod_database_code               7217602