A New Class of TCNQ Derivatives Easily Generated from TCNQH2Containing Discrete TCNQ2−Anions and Noncoordinating Cations
Hudson, Timothy A.; Robson, Richard; Crystal Growth & Design 9 (2009) 1658–; doi:10.1021/cg801400j

data_4509402
_publ_section_title
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 A New Class of TCNQ Derivatives Easily Generated from TCNQH2Containing
 Discrete TCNQ2&#x2212;Anions and Noncoordinating Cations
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_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1658
_journal_paper_doi               10.1021/cg801400j
_journal_volume                  9
_journal_year                    2009
_chemical_formula_moiety         '(C12 H4 N4 2-), 2(C2 H9 N2 1+), (C2 H8 N2)'
_chemical_formula_sum            'C18 H30 N10'
_chemical_formula_weight         386.52
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 109.229(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.5432(9)
_cell_length_b                   12.7960(9)
_cell_length_c                   13.7044(9)
_cell_measurement_reflns_used    3726
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      73.153
_cell_measurement_theta_min      4.136
_cell_volume                     2076.9(3)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.15 (release 10-01-2008 CrysAlis171 .NET)
(compiled Jan 10 2008,16:37:18)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.15 (release 10-01-2008 CrysAlis171 .NET)
(compiled Jan 10 2008,16:37:18)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.15 (release 10-01-2008 CrysAlis171 .NET)
(compiled Jan 10 2008,16:37:18)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      130(2)
_diffrn_detector_area_resol_mean 16.0711
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'XCalibur - Oxford Diffraction'
_diffrn_measurement_method       '\f & \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8289
_diffrn_reflns_theta_full        73.22
_diffrn_reflns_theta_max         73.22
_diffrn_reflns_theta_min         4.86
_exptl_absorpt_coefficient_mu    0.649
_exptl_absorpt_correction_T_max  0.9000000
_exptl_absorpt_correction_T_min  0.849447
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.15 (release 10-01-2008 CrysAlis171 .NET)
(compiled Jan 10 2008,16:37:18)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.236
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         4051
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0580
_refine_ls_R_factor_gt           0.0413
_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^)+(0.0563P)^2^+0.0800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0978
_refine_ls_wR_factor_ref         0.1026
_reflns_number_gt                3119
_reflns_number_total             4051
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg801400jsup11.cif
_cod_data_source_block           entcnqa
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'MONOCLINIC' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2076.9(2)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4509402