Roman numeral placement

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welcometochillis
Posts: 20
Joined: Fri Mar 17, 2017 3:00 am

Roman numeral placement

Postby welcometochillis » Sun Nov 26, 2017 5:02 pm

Some structures have their roman numerals written after the name, but others have it in the middle of the name. Is there any particular reason for this?

Taylor 1F
Posts: 17
Joined: Thu Jul 27, 2017 3:00 am

Re: Roman numeral placement

Postby Taylor 1F » Sun Nov 26, 2017 5:08 pm

Usually the Roman numeral is placed after the metal, which is specifying the charge of the particular metal. So, most of the time the Roman numeral is in the middle of the compound name, but I don't think there's particular reason for putting it after.

SitharaMenon2B
Posts: 50
Joined: Thu Jul 27, 2017 3:01 am

Re: Roman numeral placement

Postby SitharaMenon2B » Sun Nov 26, 2017 7:49 pm

Often if the roman numeral is in the middle, it's because the part after is outside the coordination sphere, and would be listed after the metal.

Karen Ung 2H
Posts: 52
Joined: Fri Sep 29, 2017 7:04 am
Been upvoted: 1 time

Re: Roman numeral placement

Postby Karen Ung 2H » Sun Nov 26, 2017 9:56 pm

Normally, the Roman numerals are written after the name of the compounds between the brackets so that you can specify the charge of the transition metal.

Wenxin Fan 1J
Posts: 53
Joined: Thu Jul 13, 2017 3:00 am

Re: Roman numeral placement

Postby Wenxin Fan 1J » Mon Nov 27, 2017 9:42 am

The Roman numeral represents the oxidation number for a transition metal and should go right after the name of the metal.


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