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Pregled bibliografske jedinice broj: 434252

Coordination chemistry of Nickel(II) Nitrate with Superbasic Guanidines As Studied by Electrospray Mass Spectrometry


Glasovac, Zoran; Štrukil, Vjekoslav; Eckert-Maksić, Mirjana; Schröder, Detlef; Schlangen, Maria; Schwarz, Helmut
Coordination chemistry of Nickel(II) Nitrate with Superbasic Guanidines As Studied by Electrospray Mass Spectrometry // International journal of mass spectrometry, 290 (2010), 1; 22-31 doi:10.1016/j.ijms.2009.11.006 (međunarodna recenzija, članak, znanstveni)


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Naslov
Coordination chemistry of Nickel(II) Nitrate with Superbasic Guanidines As Studied by Electrospray Mass Spectrometry

Autori
Glasovac, Zoran ; Štrukil, Vjekoslav ; Eckert-Maksić, Mirjana ; Schröder, Detlef ; Schlangen, Maria ; Schwarz, Helmut

Izvornik
International journal of mass spectrometry (1387-3806) 290 (2010), 1; 22-31

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
electrospray ionization ; guanidine ; ion association ; nickel(II) nitrate ; solvation

Sažetak
The coordination chemistry of nickel(II) nitrate with four guanidines bearing heteroatom-containing alkyl sidechains is investigated by means of electrospray ionization mass spectrometry of dilute methanolic solutions. In contrast to other nitrogen bases, the ESI spectra of the solutions containing superbasic guanidines are dominated by signals due to the protonated nitrogen bases, BH+. Under soft ionization conditions, also several nickel-containing ions are observed which are best described as complexes between the guanidinum ions BH+ with neutral nickel(II) nitrate coordinated via the nitrato ligands in terms of ion pairs. For guanidine derivatives with at least two N, N-dimethylaminopropyl groups in the sidechains, also the formation of genuine amino-nickel complexes is inferred. The pronounced difference between the ions formed upon ESI of aqueous nickel(II) nitrate in the presence of guanidines compared to other, weaker nitrogen bases is ascribed to the high basicity of the guanidines, which renders their protonation much more favored than their possible operation as ligands for the metal center.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Projekti:
098-0982933-2920 - Organski i bioorganski procesi u osnovnom i elektronski pobuđenim stanjima (Maksić, Mirjana, MZOS ) ( POIROT)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Zoran Glasovac (autor)

Avatar Url Vjekoslav Štrukil (autor)

Citiraj ovu publikaciju

Glasovac, Zoran; Štrukil, Vjekoslav; Eckert-Maksić, Mirjana; Schröder, Detlef; Schlangen, Maria; Schwarz, Helmut
Coordination chemistry of Nickel(II) Nitrate with Superbasic Guanidines As Studied by Electrospray Mass Spectrometry // International journal of mass spectrometry, 290 (2010), 1; 22-31 doi:10.1016/j.ijms.2009.11.006 (međunarodna recenzija, članak, znanstveni)
Glasovac, Z., Štrukil, V., Eckert-Maksić, M., Schröder, D., Schlangen, M. & Schwarz, H. (2010) Coordination chemistry of Nickel(II) Nitrate with Superbasic Guanidines As Studied by Electrospray Mass Spectrometry. International journal of mass spectrometry, 290 (1), 22-31 doi:10.1016/j.ijms.2009.11.006.
@article{article, year = {2010}, pages = {22-31}, DOI = {10.1016/j.ijms.2009.11.006}, keywords = {electrospray ionization, guanidine, ion association, nickel(II) nitrate, solvation}, journal = {International journal of mass spectrometry}, doi = {10.1016/j.ijms.2009.11.006}, volume = {290}, number = {1}, issn = {1387-3806}, title = {Coordination chemistry of Nickel(II) Nitrate with Superbasic Guanidines As Studied by Electrospray Mass Spectrometry}, keyword = {electrospray ionization, guanidine, ion association, nickel(II) nitrate, solvation} }
@article{article, year = {2010}, pages = {22-31}, DOI = {10.1016/j.ijms.2009.11.006}, keywords = {electrospray ionization, guanidine, ion association, nickel(II) nitrate, solvation}, journal = {International journal of mass spectrometry}, doi = {10.1016/j.ijms.2009.11.006}, volume = {290}, number = {1}, issn = {1387-3806}, title = {Coordination chemistry of Nickel(II) Nitrate with Superbasic Guanidines As Studied by Electrospray Mass Spectrometry}, keyword = {electrospray ionization, guanidine, ion association, nickel(II) nitrate, solvation} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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  • CA Search (Chemical Abstracts)


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