Two Cuprous Cyanide Polymorphs: Diamond Net versus 3,4-Connected Net
Xian-Ming Zhang; Ying-Lian Qing; Hai-Shun Wu; Inorganic Chemistry 47 (2008) 2255–2257; doi:10.1021/ic702394w

data_4304812
_publ_contact_author
;
      'Zhang, Xian-Ming'
      School of Chemistry & Material Science
      Shanxi Normal University
      Linfen 041004
      Shanxi Province
      P. R. China
;
_publ_contact_author_email       zhangxm@dns.sxnu.edu.cn
_publ_contact_author_fax         86-357-2051402
_publ_contact_author_phone       86-357-2051402
_publ_section_title
;
Two Cuprous Cyanide Polymorphs: Diamond Net versus 3,4-Connected Net
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2255
_journal_page_last               2257
_journal_paper_doi               10.1021/ic702394w
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C3 H5 Cu2 N3 O2'
_chemical_formula_weight         242.18
_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                 95.773(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0108(16)
_cell_length_b                   8.3037(11)
_cell_length_c                   7.5441(10)
_cell_measurement_temperature    298(2)
_cell_volume                     748.59(17)
_computing_cell_refinement       'SMART (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'ORTEP-II (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Bruker Apex CCD Diffractometer'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0204
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3502
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.70
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.622
_exptl_absorpt_correction_T_max  0.7663
_exptl_absorpt_correction_T_min  0.4310
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS, Sheldrick 1997'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    2.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.445
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.183
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         1563
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.183
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0605
_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^)+(0.0887P)^2^+1.3015P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1687
_refine_ls_wR_factor_ref         0.1764
_reflns_number_gt                1360
_reflns_number_total             1563
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic702394w-file005_1.cif
_cod_data_source_block           2
_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.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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_database_code               4304812