Mononuclear complexes and a coordination polymer of the 2-pyridylamino (NH2Py) functionalized P(v) ligand
Pal, Souvik; Jana, Partha P.; Nayek, Hari Pada; RSC Advances 4 (2014) 26902–; doi:10.1039/c4ra02258k

data_7216739
_publ_section_title
;
 Mononuclear complexes and a coordination polymer of the 2-pyridylamino
 (NH2Py) functionalized P(v) ligand
;
_journal_issue                   51
_journal_name_full               'RSC Advances'
_journal_page_first              26902
_journal_paper_doi               10.1039/c4ra02258k
_journal_volume                  4
_journal_year                    2014
_chemical_formula_moiety         'C20 H20 N8 Ni O4 P2'
_chemical_formula_sum            'C20 H20 N8 Ni O4 P2'
_chemical_formula_weight         557.07
_space_group_IT_number           142
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4bd 2c'
_symmetry_space_group_name_H-M   'I 41/a c d :2'
_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                   19.3666(12)
_cell_length_b                   19.3666(12)
_cell_length_c                   25.514(3)
_cell_measurement_reflns_used    1985
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.8772
_cell_measurement_theta_min      2.9690
_cell_volume                     9569.4(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.1585
_diffrn_reflns_av_sigmaI/netI    0.0850
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            22877
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    0.990
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.547
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             4575
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.509
_refine_diff_density_min         -0.495
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2611
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.1345
_refine_ls_R_factor_gt           0.0721
_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^)+(0.0669P)^2^+3.5039P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1500
_refine_ls_wR_factor_ref         0.1768
_reflns_number_gt                1484
_reflns_number_total             2611
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra02258k2.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
;
_cod_original_sg_symbol_H-M      'I 41/a c d'
_cod_database_code               7216739