Temperature- and pressure-dependent structural study of {Fe(pmd)~2~[Ag(CN)~2~]~2~}~<i>n~</i> spin-crossover compound by neutron Laue diffraction
Rodríguez-Velamazán, José Alberto; Cañadillas-Delgado, Laura; Castro, Miguel; McIntyre, Garry J.; Real, José Antonio; Acta Crystallographica Section B 70 (2014) 436–443; doi:10.1107/S2052520614003023

data_2105826
_publ_section_title
;
 Temperature- and pressure-dependent structural study of
 {Fe(pmd)~2~[Ag(CN)~2~]~2~}~<i>n~</i> spin-crossover compound by neutron
 Laue diffraction
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              436
_journal_page_last               443
_journal_paper_doi               10.1107/S2052520614003023
_journal_volume                  70
_journal_year                    2014
_chemical_formula_moiety         'C12 H8 Ag2 Fe N8'
_chemical_formula_sum            'C12 H8 Ag2 Fe N8'
_chemical_formula_weight         535.83
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_atom_sites_solution_hydrogens   difmap
_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            4
_cell_length_a                   15.782(3)
_cell_length_b                   8.262(3)
_cell_length_c                   13.350(3)
_cell_measurement_temperature    280(2)
_cell_volume                     1740.7(8)
_computing_cell_refinement       'NEWLAUEGEN (J. Campbell et al, 1998)'
_computing_data_reduction
'ARGONNE-BOXES(C. Wilkinson et al,1988)& LAUENORM (J. W. Campbell et al,1986'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      280(2)
_diffrn_measured_fraction_theta_full 0.681
_diffrn_measured_fraction_theta_max 0.681
_diffrn_measurement_device_type  'ILL-VIVALDI Laue single xtal diffractometer'
_diffrn_radiation_source         'ILL neutron source'
_diffrn_radiation_type           neutron
_diffrn_radiation_wavelength     0.90-3.00
_diffrn_reflns_av_R_equivalents  0.2997
_diffrn_reflns_av_sigmaI/netI    0.1867
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3564
_diffrn_reflns_theta_full        28.56
_diffrn_reflns_theta_max         28.56
_diffrn_reflns_theta_min         3.93
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange-yellow
_exptl_crystal_density_diffrn    2.045
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             584
_exptl_crystal_size_max          1.0
_exptl_crystal_size_mid          0.6
_exptl_crystal_size_min          0.5
_refine_diff_density_max         0.699
_refine_diff_density_min         -0.570
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.514
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         797
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.514
_refine_ls_R_factor_all          0.2113
_refine_ls_R_factor_gt           0.1685
_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^)+(0.0661P)^2^+21.9840P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2455
_refine_ls_wR_factor_ref         0.2590
_reflns_number_gt                674
_reflns_number_total             797
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            xk5013sup1.cif
_cod_data_source_block           fepmd8
_cod_depositor_comments
'Adding full bibliography for 2105819--2105831.cif.'
_cod_database_code               2105826