The influence of anion, ligand geometry and stoichiometry on the structure and dimensionality of a series of AgI-bis(cyanobenzyl)piperazine coordination polymers
Beeching, Lianna J.; Hawes, Chris S.; Turner, David R.; Batten, Stuart R.; CrystEngComm 16 (2014) 6459–; doi:10.1039/c4ce00816b

data_7215841
_publ_section_title
;
 The influence of anion, ligand geometry and stoichiometry on the
 structure and dimensionality of a series of
 AgI-bis(cyanobenzyl)piperazine coordination polymers
;
_journal_issue                   28
_journal_name_full               CrystEngComm
_journal_page_first              6459
_journal_paper_doi               10.1039/c4ce00816b
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C20 H20 N4'
_chemical_formula_sum            'C20 H20 N4'
_chemical_formula_weight         316.40
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2013-09-30
_audit_creation_method
;
Olex2 1.2
(compiled 2013.09.17 svn.r2790 for OlexSys, GUI svn.r4601)
;
_cell_angle_alpha                83.164(4)
_cell_angle_beta                 71.318(3)
_cell_angle_gamma                71.589(3)
_cell_formula_units_Z            1
_cell_length_a                   6.5627(5)
_cell_length_b                   8.2007(7)
_cell_length_c                   8.5966(7)
_cell_measurement_reflns_used    1025
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      31.340
_cell_measurement_theta_min      3.430
_cell_volume                     415.77(6)
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELX, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_unetI/netI     0.0453
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4352
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.50
_diffrn_reflns_theta_min         2.50
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.7463
_exptl_absorpt_correction_T_min  0.6827
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0523 before and 0.0405 after correction.
The Ratio of minimum to maximum transmission is 0.9148.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             168
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.109
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         2071
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0704
_refine_ls_R_factor_gt           0.0517
_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^)+(0.0631P)^2^+0.0141P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1247
_refine_ls_wR_factor_ref         0.1372
_reflns_number_gt                1540
_reflns_number_total             2071
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00816b2.cif
_cod_data_source_block           L1
_cod_depositor_comments
'Adding full bibliography for 7215836--7215842.cif.'
_cod_database_code               7215841
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B), C11(H11A,H11B), C12(H12A,H12B)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C7(H7), C8(H8), C4(H4)
;