Syntheses, structural characterization and properties of transition metal complexes of 5,5'-(1,4-phenylene)bis(1H-tetrazole) (H(2)bdt), 5',5''-(1,1'-biphenyl)-4,4'-diylbis(1H-tetrazole) (H(2)dbdt) and 5,5',5''-(1,3,5-phenylene)tris(1H-tetrazole) (H(3)btt).
Ouellette, Wayne; Darling, Kari; Prosvirin, Andrey; Whitenack, Kelly; Dunbar, Kim R.; Zubieta, Jon; Dalton transactions (Cambridge, England : 2003) 40 (2011) 12288–12300; doi:10.1039/c1dt11590a

data_7017461
_publ_section_title
;
 Syntheses, structural characterization and properties of transition metal
 complexes of 5,5'-(1,4-phenylene)bis(1H-tetrazole) (H(2)bdt),
 5',5''-(1,1'-biphenyl)-4,4'-diylbis(1H-tetrazole) (H(2)dbdt) and
 5,5',5''-(1,3,5-phenylene)tris(1H-tetrazole) (H(3)btt).
;
_journal_issue                   45
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12288
_journal_page_last               12300
_journal_paper_doi               10.1039/c1dt11590a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C3 H1.75 N3 Ni0.25, 1.31(H2 O)'
_chemical_formula_sum            'C3 H4.38 N3 Ni0.25 O1.31'
_chemical_formula_weight         118.15
_chemical_name_systematic
;
?
;
_space_group_IT_number           65
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2 2'
_symmetry_space_group_name_H-M   'C m m m'
_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                90.00
_cell_formula_units_Z            16
_cell_length_a                   7.5423(9)
_cell_length_b                   26.318(3)
_cell_length_c                   12.5387(14)
_cell_measurement_reflns_used    1324
_cell_measurement_temperature    98(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.97
_cell_volume                     2488.9(5)
_computing_cell_refinement       'Bruker SAINT (Bruker, 1998)'
_computing_data_collection       'Bruker SMART (Bruker, 1998)'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'CrystalMaker (Palmer, 2006)'
_computing_publication_material  'Bruker SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      98(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0672
_diffrn_reflns_av_sigmaI/netI    0.0461
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            12789
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         1.62
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.824
_exptl_absorpt_correction_T_max  0.9222
_exptl_absorpt_correction_T_min  0.8526
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 1998)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.261
_exptl_crystal_density_meas      1.23(2)
_exptl_crystal_density_method    flotation
_exptl_crystal_description       plate
_exptl_crystal_F_000             974
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_platon_squeeze_details
;

Although there were several peaks within the void from Fourier difference map,
the highly disordered solvents within the void
were not crystallographically well defined.

The SQUEEZE routine of the program PLATON was used
in order to eliminate the contribution of disordered
solvents molecules, thereby a final model based only on the ordered part
of the crystal structure was obtained.

The SQUEEZE routine suggested that
a total potential solvent area volume of 625.1
Ang^3^[25.1% of cell volume], and a void electron population of 106 per cell.

Refinement after the SQUEEZE routine gave significantly improved R values.
[R values before SQUEEZE]
R1 = 0.131 for >2sigma(I) data
R1 = 0.148 , wR2 = 0.270, GooF = S = 1.83 for all data
( 1699 data and 0 restraint / 77 parameters)

loop_

_platon_squeeze_void_nr
_platon_squeeze_void_average_x
_platon_squeeze_void_average_y
_platon_squeeze_void_average_z
_platon_squeeze_void_volume
_platon_squeeze_void_count_electrons

1 -0.071 0.000 -0.003 625.1 105.5
2 -0.055 0.500 0.043 625.1 105.5

_platon_squeeze_details ?
;
_refine_diff_density_max         0.977
_refine_diff_density_min         -0.686
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     77
_refine_ls_number_reflns         1699
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0690
_refine_ls_R_factor_gt           0.0576
_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^)+(0.0667P)^2^+8.0323P] where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1319
_refine_ls_wR_factor_ref         0.1374
_reflns_number_gt                1455
_reflns_number_total             1699
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11590a.txt
_cod_data_source_block           cmmm
_cod_database_code               7017461