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Topic: 18 electron rule  (Read 4209 times)

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Offline Morphic flip

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18 electron rule
« on: April 27, 2006, 11:52:22 AM »
Taking:
Ru(en)2(SCN)
Fe(en)2(SCN)

Am I correct in thinking the metals, Ru and Fe in the compounds are in zero oxidation state and there are only 16 electrons and not 18 for
the 18 electron rule?
Or do the nitrogen atoms (within (en)2 provide 2 bonding centres which would give the 18 electrons?
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Offline AWK

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Re: 18 electron rule
« Reply #1 on: April 27, 2006, 01:26:09 PM »
No, each SCN group has charge -1
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Offline Morphic flip

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Re: 18 electron rule
« Reply #2 on: April 29, 2006, 04:04:50 PM »
Ah, so it will be +2 then?
Thank`s.
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