electriden.
/ᵻˈlɛktrʌɪd/, U.S. /əˈlɛktraɪd/, /iˈlɛktraɪd/ Chemistry.
A compound of a cation and one or more electrons; spec. an ionic solid whose crystal lattice consists of cations and electrons, instead of cations and anions as in a salt.
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the world > matter > chemistry > ions, ionization, or electrolysis > [noun] > ion > ionic solid
electride1962
1908 W. Ramsay in Jrnl. Chem. Soc. 93 786 The metal cobalt has three electrons associated with it; what we call ‘metallic cobalt’ is a ‘tri-electride’ of cobalt.]
1962 Tetrahedron Lett. No. 19. 859 Cleavage of the C–O bond of allylic ethers is accomplished only under such relatively drastic conditions as sodium in liquid ammonia (Na+e−, ‘sodium electride’).
1977 Sci. Amer. July 105/2 Preliminary measurements suggest that the solids contain exactly one unpaired electron per cation; if that is confirmed, then the films are not metallic at all but are the first example of a new class of salts: the ‘electride’ salts.
1990 Science 9 Feb. 663/1 Electrides are ionic compounds that have alkali metal cations complexed by a crown ether or cryptand, with trapped electrons as counterions.
2005 Materials Sci. & Engin. C 25 722/1 All known organic electrides..become unstable at temperatures higher than −40 °C.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1962