Copper(I) dicyanamide coordination polymers: ladders, sheets, layers, diamond-like networks and unusual interpenetration †
Batten, Stuart R.; Harris, Alexander R.; Jensen, Paul; Murray, Keith S.; Ziebell, Angela; Journal of the Chemical Society, Dalton Transactions  (2000) 3829–; doi:10.1039/b003527k

data_7009773
_publ_contact_author
;
    Dr. Stuart Batten
    Department of Chemistry
    P.O. Box 23
    Monash University
    Clayton, Vic. 3800
    AUSTRALIA
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_publ_section_title
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 Copper(I) dicyanamide coordination polymers: ladders, sheets, layers,
 diamond-like networks and unusual interpenetration&#x200A;&#x2020;
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_journal_issue                   21
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3829
_journal_paper_doi               10.1039/b003527k
_journal_year                    2000
_chemical_formula_sum            'C6 H6 Cu N4'
_chemical_formula_weight         197.69
_chemical_name_common            Cu(dca)(tmp)0.5
_chemical_name_systematic
; 
 Cuprous dicyanamide hemi(tetramethylpyrazine)
;
_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                 92.039(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.8969(1)
_cell_length_b                   18.5279(9)
_cell_length_c                   9.9978(5)
_cell_measurement_temperature    123(2)
_cell_volume                     721.40(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       Phi-scans
_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  0.052
_diffrn_reflns_av_sigmaI/netI    0.0469
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            9313
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    2.956
_exptl_absorpt_correction_T_max  0.926
_exptl_absorpt_correction_T_min  0.809
_exptl_absorpt_correction_type   Face-indexed
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.820
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       acicular
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.025
_refine_diff_density_max         0.454
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     102
_refine_ls_number_reflns         1658
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0335
_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^)+(0.0000P)^2^+0.8543P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0549
_refine_ls_wR_factor_ref         0.0594
_reflns_number_gt                1348
_reflns_number_total             1658
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b003527k.txt
_cod_data_source_block           Cudcame4pyz
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7009773