1976
DOI: 10.1021/ja00425a009
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The crystal structure of disodium tetracarbonylferrate. Distortion of the tetracarbonylferrate(2-) anion in the solid state

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Cited by 84 publications
(16 citation statements)
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“…Addition of 3% thf (v/v) to the mixture in equilibrium Similar experiments with NaCo(CO),' instead of LiCo(CO), led to substantially different results. Under CO, the equilibrium constant for equation (1) (M = Na) was 7.8 1 mol-1 at 16 OC, P(co)+ P(B~,o) = 1 atm. Attempts to shift equilibrium (1) by pumping the CO off resulted in the appearance of Co4(C0),,, thus showing that formation of Na [Co,(CO) , , ] according to equation (2) was unfavourable under these conditions.…”
Section: Effect Of the Countercation And Solvent On The Formation Of ...mentioning
confidence: 96%
See 1 more Smart Citation
“…Addition of 3% thf (v/v) to the mixture in equilibrium Similar experiments with NaCo(CO),' instead of LiCo(CO), led to substantially different results. Under CO, the equilibrium constant for equation (1) (M = Na) was 7.8 1 mol-1 at 16 OC, P(co)+ P(B~,o) = 1 atm. Attempts to shift equilibrium (1) by pumping the CO off resulted in the appearance of Co4(C0),,, thus showing that formation of Na [Co,(CO) , , ] according to equation (2) was unfavourable under these conditions.…”
Section: Effect Of the Countercation And Solvent On The Formation Of ...mentioning
confidence: 96%
“…bands attributable to Co,(CO), and LiCo(CO), became evident, which disappeared when the CO was pumped off. Moreover, gas-volumetric monitoring of reaction ( 1) in Bu20 showed the equilibrium constant (M == Li) to be K,/[C0J2 = 143 1 mol-l at 16 "C, P(~o)+Pp,,o) = 1 atm.…”
Section: Effect Of the Countercation And Solvent On The Formation Of ...mentioning
confidence: 99%
“…COClz (CBH,,)(COD)Co -( MA),Co(C8HI3)(COD) THF, Pyridin ( 5 4 ) (55) Der abweichende Reaktionsverlauf bei Verwendung von Cobaltocen (50) als Cobalt(I1)-Verbindung sowie der besondere Vorteil des C5H5-Liganden gegenuber typischen Anionen wie Halogenid ist darin begriindet, daI3 Metallocene z. B. in THF wesentlich besser loslich sind als Ubergangsmetallhalogenide und daf3 sich beide C,H,-Liganden iiberaus schonend bereits bei tiefen Temperaturen sukzessive vom Ubergangsmetallatom ablosen lassen.…”
Section: Aunclassified
“…Wird hingegen das Alkali-metal1 -insbesondere das zu kovalenten Bindungen neigende Lithiumzusammen rnit seinem Elektron an(50) gebunden, so kann es sich am Liganden oder am Cobaltatom addieren. Erfolgt die Addition wie die des Isobutyronitril-Radikals ('C(CH&CN) am Ligandenflo31, so wandelt sich(50) in (51) um. In (51) ist der MAC5H5-Ring dienartig uber vier oder aber wie die Allylgruppe in (m-C&)-C O C~H~M~B~( T H F )~[ '~~]nur uber drei C-Atome an Cobalt gebunden.…”
unclassified
“…Die Kristallstrukturen von (THF) 4 Ca[M'(CO) 5 41 ,5 dioxan (138° [16]). Die Metallatome M' sind verzerrt oktaedrisch koordiniert, wobei die M'±C1-Bindungsla È ngen zu den Cyano-Liganden deutlich um etwa 20 pm aufgeweitet sind.…”
Section: Introductionunclassified