Bis(biguanido-κ^2^<i>N</i>,<i>N</i>')copper(II) dihydrate
Su, Ying-Lan; Lu, Li-Ping; Li, Xue-Mei; Zhu, Miao-Li; Acta Crystallographica Section E 61 (2005) m910–m912; doi:10.1107/S160053680501127X

data_2205832
_publ_section_title
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 Bis(biguanido-\k^2^<i>N</i>,<i>N</i>')copper(II) dihydrate
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m910
_journal_page_last               m912
_journal_paper_doi               10.1107/S160053680501127X
_journal_volume                  61
_journal_year                    2005
_chemical_formula_moiety         'C4 H12 Cu N10, 2(H2 O)'
_chemical_formula_sum            'C4 H16 Cu N10 O2'
_chemical_formula_weight         299.81
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.133(3)
_cell_length_b                   22.536(8)
_cell_length_c                   7.056(3)
_cell_measurement_reflns_used    1978
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.61
_cell_measurement_theta_min      3.41
_cell_volume                     1134.2(8)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL/PC (Sheldrick, 1999)'
_computing_publication_material  SHELXTL/PC
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART 1K CCD area detector'
_diffrn_measurement_method       'omega 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  0.0367
_diffrn_reflns_av_sigmaI/netI    0.0263
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            4926
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.81
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.939
_exptl_absorpt_correction_T_max  0.6978
_exptl_absorpt_correction_T_min  0.5939
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2000)'
_exptl_crystal_colour            Rose-red
_exptl_crystal_density_diffrn    1.756
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.320
_refine_ls_extinction_coef       0.039(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.195
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     88
_refine_ls_number_reflns         1001
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.195
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0403
_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^)+(0.0386P)^2^+1.3149P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0923
_refine_ls_wR_factor_ref         0.0960
_reflns_number_gt                908
_reflns_number_total             1001
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn6348.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_database_code               2205832
_cod_database_fobs_code          2205832