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==Complexes with modified sulfito ligands== ==Complexes with modified sulfito ligands==
(3-)}}]] (3-)ref name=H-bond/>}}]]
Being dibasic, sulfito ligands are susceptible to alkylation and protonation. Some examples: Being dibasic, sulfito ligands are susceptible to alkylation and protonation. Some examples:
*{{chem2|}}<ref>{{cite journal|doi=10.1021/ic00295a003 |title=(Polypyridine)ruthenium(II) complexes containing sulfite, bisulfite, and sulfur dioxide |date=1988 |last1=Allen |first1=L. R. |last2=Jeter |first2=D. Y. |last3=Cordes |first3=A. W. |last4=Durham |first4=B. |journal=Inorganic Chemistry |volume=27 |issue=22 |pages=3880–3885 }}</ref> *{{chem2|}}<ref>{{cite journal|doi=10.1021/ic00295a003 |title=(Polypyridine)ruthenium(II) complexes containing sulfite, bisulfite, and sulfur dioxide |date=1988 |last1=Allen |first1=L. R. |last2=Jeter |first2=D. Y. |last3=Cordes |first3=A. W. |last4=Durham |first4=B. |journal=Inorganic Chemistry |volume=27 |issue=22 |pages=3880–3885 }}</ref>
*{{chem2|Pt(PPh3)2(SO3Me)2}}<ref>{{cite journal|doi=10.1007/BF00619056 |title=The crystal and molecular structure oftrans-Di(methylsulphito)bis-(triphenylphosphine)platinum(II) |date=1979 |last1=Hughes |first1=Glyn R. |last2=Minshall |first2=Peter C. |last3=Mingos |first3=D. Michael P. |journal=Transition Metal Chemistry |volume=4 |issue=3 |pages=147–150 }}</ref> *{{chem2|Pt(PPh3)2(SO3Me)2}}<ref>{{cite journal|doi=10.1007/BF00619056 |title=The crystal and molecular structure oftrans-Di(methylsulphito)bis-(triphenylphosphine)platinum(II) |date=1979 |last1=Hughes |first1=Glyn R. |last2=Minshall |first2=Peter C. |last3=Mingos |first3=D. Michael P. |journal=Transition Metal Chemistry |volume=4 |issue=3 |pages=147–150 }}</ref>
*{{chem2|Pt2(en)2(mu\sS,O\sSO3)2}} <ref>{{cite journal|doi=10.1002/1099-0682(200112)2001:12<3067::AID-EJIC3067>3.0.CO;2-8 |title=Structural Investigations of Sulfite-Bridged Binuclear Complexes of Platinum(II) and Palladium(II) |date=2001 |last1=Krieglstein |first1=Roland |last2=Breitinger |first2=Dietrich K. |last3=Liehr |first3=Günther |journal=European Journal of Inorganic Chemistry |issue=12 |pages=3067–3072 }}</ref> unsym *{{chem2|Pt2(en)2(mu\sS,O\sSO3)2}} <ref>{{cite journal|doi=10.1002/1099-0682(200112)2001:12<3067::AID-EJIC3067>3.0.CO;2-8 |title=Structural Investigations of Sulfite-Bridged Binuclear Complexes of Platinum(II) and Palladium(II) |date=2001 |last1=Krieglstein |first1=Roland |last2=Breitinger |first2=Dietrich K. |last3=Liehr |first3=Günther |journal=European Journal of Inorganic Chemistry |issue=12 |pages=3067–3072 }}</ref> unsym
*{{chem2|K3[PtCl2(SO3H)(SO3}}<ref>{{cite journal|doi= 10.1107/S0567740880009405 |title= Tripotassium ''cis'' -dichloro(hydrogendisulfito)platinate(II) K<sub>3</sub>&#91;Pt&#123;(SO<sub>3</sub>)<sub>2</sub>H&#125;Cl<sub>2</sub>&#93;. A case of an extremely short hydrogen bond O...H...O |date= 1980 |last1= Kehr |first1= W. G. |last2= Breitinger |first2= D. K. |last3= Bauer |first3= G. |journal= Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry |volume= 36 |issue= 11 |pages= 2545–2550 }}</ref> *{{chem2|K3[PtCl2(SO3H)(SO3}}<ref name=H-bond>{{cite journal|doi= 10.1107/S0567740880009405 |title= Tripotassium ''cis'' -dichloro(hydrogendisulfito)platinate(II) K<sub>3</sub>&#91;Pt&#123;(SO<sub>3</sub>)<sub>2</sub>H&#125;Cl<sub>2</sub>&#93;. A case of an extremely short hydrogen bond O...H...O |date= 1980 |last1= Kehr |first1= W. G. |last2= Breitinger |first2= D. K. |last3= Bauer |first3= G. |journal= Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry |volume= 36 |issue= 11 |pages= 2545–2550 }}</ref>


==References== ==References==

Revision as of 20:48, 30 December 2024

The structure of . Color code: blue = N, red = O, yellow = S.

Transition metal sulfito complexes are coordination compounds containing sulfite (SO3) as a ligand. The inventory is large. Few sulfito complexes have commercial applications, but sulfite is a substrate for the molybdoenzyme sulfite oxidase.

Bonding modes

In principle, sulfite can bond to metal ions via S or O. In this respect, sulfite as a ligand resembles nitrite (NO−2), which can bind through N or O. Monodentate, S-bonded sulfites are more common than O-bonded sulfito ligands. In some cases, sulfite is a bridging ligand forming M-SO2-O-M’ linkages.

Sulfite has a strongly trans labilizing effect.

Examples

  • [Co(tetren)SO3]ClO4 (tetren = HN(CH2CH2NHCH2CH2NH2)2)
  • [M(SO3)2(en)2] (M = Rh, Co, en = ethylenediamine)
  • [Pd(en)(SO3)2]
  • [Au(en)(SO3)2]

Complexes with modified sulfito ligands

Structure of

Being dibasic, sulfito ligands are susceptible to alkylation and protonation. Some examples:

  • [Ru(phen)2(SO3H)2]
  • Pt(PPh3)2(SO3Me)2
  • Pt2(en)2(mu−S,O−SO3)2 unsym
  • K3[PtCl2(SO3H)(SO3

References

  1. I. Bernal; J. Cetrullo; W. G. Jackson (1993). "The Phenomenon of Conglomerate Crystallization in Coordination Compounds. XXIII: The Crystallization Behavior of ·2H2O (I) and of ·H2O (II)". Struct. Chem. 4: 235. doi:10.1007/BF00673698. S2CID 94847897.
  2. Enemark, John H.; Cooney, J. Jon A.; Wang, Jun-Jieh; Holm, R. H. (2004). "Synthetic Analogues and Reaction Systems Relevant to the Molybdenum and Tungsten Oxotransferases". Chemical Reviews. 104 (2): 1175–1200. doi:10.1021/cr020609d. PMID 14871153.
  3. Krieglstein, Roland; Breitinger, Dietrich K.; Liehr, Günther (2001). "Structural Investigations of Sulfite-Bridged Binuclear Complexes of Platinum(II) and Palladium(II)". European Journal of Inorganic Chemistry (12): 3067–3072. doi:10.1002/1099-0682(200112)2001:12<3067::AID-EJIC3067>3.0.CO;2-8.
  4. Schneider, K.J.; Van Eldik, R.; Roodt, A.; Leipoldt, J.G. (1986). "The Formation and reactivity of sulfito complexes of tetraethylenepentamine-cobalt(III): X-ray structure of αα-[co(tetren)SO3]ClO4". Inorganica Chimica Acta. 122: 1–5. doi:10.1016/S0020-1693(00)81258-X.
  5. Petrikowski, G.; Breitinger, D. K. (1985). "Sodium trans-bis(1,2-ethanediamine)disulfitorhodate(III) trihydrate, Na[Rh(C2H8N2)2(SO3)2].3H2O". Acta Crystallographica Section C Crystal Structure Communications. 41 (4): 522–525. doi:10.1107/S0108270185004504.
  6. Raston, CL; White, AH; Yandell, JK (1979). "Crystal Structure of Disodium(I) cis-Bis(ethane-1,2-diamine)disulfitocobaltate(III) Perchlorate Trihydrate". Australian Journal of Chemistry. 32 (2): 291. doi:10.1071/CH9790291.
  7. Breitinger, D. K.; Schottner, G.; Raidel, M.; Beck, H. P. (1986). "Kristallstruktur und schwingungsspektrometrische Daten von cis-Na2[Pd(SO3)2en] · 4 H2O". Zeitschrift für Anorganische und Allgemeine Chemie. 539 (8): 18–26. doi:10.1002/zaac.19865390803.
  8. Dunand, A.; Gerdil, R. (1975). "The Crystal and molecular structure of ethylenediammonium bis{ cis -[ethylenediaminedisulphitoaurate(III)]}". Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 31 (2): 370–374. doi:10.1107/S0567740875002828.
  9. Allen, L. R.; Jeter, D. Y.; Cordes, A. W.; Durham, B. (1988). "(Polypyridine)ruthenium(II) complexes containing sulfite, bisulfite, and sulfur dioxide". Inorganic Chemistry. 27 (22): 3880–3885. doi:10.1021/ic00295a003.
  10. Hughes, Glyn R.; Minshall, Peter C.; Mingos, D. Michael P. (1979). "The crystal and molecular structure oftrans-Di(methylsulphito)bis-(triphenylphosphine)platinum(II)". Transition Metal Chemistry. 4 (3): 147–150. doi:10.1007/BF00619056.
  11. Krieglstein, Roland; Breitinger, Dietrich K.; Liehr, Günther (2001). "Structural Investigations of Sulfite-Bridged Binuclear Complexes of Platinum(II) and Palladium(II)". European Journal of Inorganic Chemistry (12): 3067–3072. doi:10.1002/1099-0682(200112)2001:12<3067::AID-EJIC3067>3.0.CO;2-8.
  12. Kehr, W. G.; Breitinger, D. K.; Bauer, G. (1980). "Tripotassium cis -dichloro(hydrogendisulfito)platinate(II) K3[Pt{(SO3)2H}Cl2]. A case of an extremely short hydrogen bond O...H...O". Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 36 (11): 2545–2550. doi:10.1107/S0567740880009405.
Coordination complexes
H donors:
B donors:
C donors:
Si donors:
N donors:
P donors:
O donors:
S donors:
Halide donors:
Categories: