Cracking the framework of bulk CuCN with flexible bipyrazolyl-based ligands to assemble [CuCN]n-based coordination polymers.
Li, Ling-Ling; Liu, Lei-Lei; Zheng, Ai-Xia; Chang, Yu-Jie; Dai, Ming; Ren, Zhi-Gang; Li, Hong-Xi; Lang, Jian-Ping; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7659–7665; doi:10.1039/c0dt00249f

data_7026168
_publ_section_title
;
 Cracking the framework of bulk CuCN with flexible bipyrazolyl-based
 ligands to assemble [CuCN]n-based coordination polymers.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7659
_journal_page_last               7665
_journal_paper_doi               10.1039/c0dt00249f
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C18 H26 Cu2 N6'
_chemical_formula_sum            'C18 H26 Cu2 N6'
_chemical_formula_weight         453.55
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.43(3)
_cell_angle_beta                 91.41(3)
_cell_angle_gamma                109.99(3)
_cell_formula_units_Z            2
_cell_length_a                   8.6907(17)
_cell_length_b                   8.8881(18)
_cell_length_c                   14.374(3)
_cell_measurement_reflns_used    7286
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.4739
_cell_measurement_theta_min      3.1505
_cell_volume                     1042.9(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Rigaku MercuryCCD area detector'
_diffrn_measurement_method       \w
_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  0.0316
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10071
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.15
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.052
_exptl_absorpt_correction_T_max  0.6844
_exptl_absorpt_correction_T_min  0.5780
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Jacobson, R. (1998) Private communication to Rigaku Company, Tokyo, Japan.'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.444
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.818
_refine_diff_density_min         -0.711
_refine_diff_density_rms         0.155
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         4704
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0769
_refine_ls_R_factor_gt           0.0574
_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^)+(0.0701P)^2^+2.9916P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1661
_refine_ls_wR_factor_ref         0.1754
_reflns_number_gt                3584
_reflns_number_total             4704
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00249f.txt
_cod_data_source_block           '[(CuCN)2(dmpzh)]n'
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_database_code               7026168