[Ni(MeCN)(H~2~O)~2~(NO~3~)~2~]·(15-crown-5)·MeCN: detailed study of a four-phase sequence that includes an intermediate modulated phase
Siegler, Maxime A.; Parkin, Sean; Brock, Carolyn Pratt; Acta Crystallographica Section B 68 (2012) 389–400; doi:10.1107/S0108768112018319

data_2105189
_publ_section_title
;
 [Ni(MeCN)(H~2~O)~2~(NO~3~)~2~]&#x00B7;(15-crown-5)&#x00B7;MeCN: detailed
 study of a four-phase sequence that includes an intermediate modulated
 phase
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              389
_journal_page_last               400
_journal_paper_doi               10.1107/S0108768112018319
_journal_volume                  68
_journal_year                    2012
_chemical_formula_moiety         'C10 H20 O5, C2 H7 N3 Ni O8, C2 H3 N'
_chemical_formula_sum            'C14 H30 N4 Ni O13'
_chemical_formula_weight         521.13
_chemical_name_systematic
;
acetonitrilediaqual-\k^1^O-nitrato-\k^2^O-nitratonickel(II) (15-crown-5)
acetonitrile solvate
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXL-97 and C P Brock'
_cell_angle_alpha                90.00
_cell_angle_beta                 105.487(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.1288(2)
_cell_length_b                   12.3503(2)
_cell_length_c                   8.15370(10)
_cell_measurement_reflns_used    2812
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     1177.03(3)
_computing_cell_refinement       'DENZO-SMN (Nonius, 1999)'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction        'DENZO-SMN (Nonius, 1999)'
_computing_molecular_graphics    'Mercury (Macrae et al., 2008)'
_computing_publication_material  'SHELX-97 and local procedures'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      253(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius KappaCCD diffractometer'
_diffrn_measurement_method       '\w scans at fixed \c = 55\%'
_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  0.0340
_diffrn_reflns_av_sigmaI/netI    0.0483
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5341
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.892
_exptl_absorpt_correction_T_max  0.9161
_exptl_absorpt_correction_T_min  0.8077
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scalepack (Otwinowski & Minor, 2006)'
_exptl_crystal_colour            'pale green'
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             548
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.295
_refine_diff_density_min         -0.299
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         2834
_refine_ls_number_restraints     154
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.0839
_refine_ls_R_factor_gt           0.0434
_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^)+(0.0712P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1063
_refine_ls_wR_factor_ref         0.1244
_reflns_number_gt                1755
_reflns_number_total             2834
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            hw5021.cif
_cod_data_source_block           253K_I_1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               2105189
_cod_database_fobs_code          2105189