First-row transition metal-pyridine (py)-sulfate [(py)<sub>x</sub>M](SO<sub>4</sub>) complexes (M = Ni, Cu and Zn): crystal field theory in action.
Roy, Mrittika; Pham, Duyen N. K.; Kreider-Mueller, Ava; Golen, James A.; Manke, David R.; Acta crystallographica. Section C, Structural chemistry 74 (2018) 263–268; doi:10.1107/S2053229618001547

data_2311981
_publ_section_title
;
 First-row transition metal-pyridine (py)-sulfate
 [(py)<sub>x</sub>M](SO<sub>4</sub>) complexes (M = Ni, Cu and Zn):
 crystal field theory in action.
;
_journal_coeditor_code           FN3254
_journal_issue                   'Pt 3'
_journal_name_full
'Acta crystallographica. Section C, Structural chemistry'
_journal_page_first              263
_journal_page_last               268
_journal_paper_doi               10.1107/S2053229618001547
_journal_volume                  74
_journal_year                    2018
_chemical_formula_iupac          '[Ni1 (S O4) (C5 H5 N1)4]'
_chemical_formula_moiety         'C20 H20 N4 Ni O4 S'
_chemical_formula_sum            'C20 H20 N4 Ni O4 S'
_chemical_formula_weight         471.17
_chemical_name_systematic
<i>catena</i>-Poly[[tetrakis(pyridine-\k<i>N</i>)nickel(II)]-\m-sulfato-\k^2^<i>O</i>:<i>O</i>']
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
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_atom_sites_solution_hydrogens   geom
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;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
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;
SAINT (Bruker, 2016)
;
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APEX3 (Bruker, 2016)
;
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SAINT (Bruker, 2016)
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OLEX2 (Dolomanov <i>et al.</i>,  2009)
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OLEX2 (Dolomanov <i>et al.</i>,  2009)
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SHELXL2014 (Sheldrick, 2015)
;
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SHELXS97 (Sheldrick, 2008)
;
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_diffrn_measurement_method       '\f and \w scans'
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;
(SADABS; Bruker, 2016)
;
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0225P)^2^+5.8638P] where P=(Fo^2^+2Fc^2^)/3'
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_shelx_hkl_checksum              30034
_shelx_res_checksum              59087
_shelxl_version_number           2014/6