Neptunium tetrachloride explained

Neptunium tetrachloride is a binary inorganic compound of neptunium metal and chlorine with the chemical formula .^{[1] [2]}

Synthesis

The compound can be prepared by:

• the reaction of neptunium nitride with HCl:^[3]

• the reaction of neptunium sulfide with HCl:

• the reaction of carbon tetrachloride with neptunium(IV) oxide or . Neptunium tetrachloride is formed as a yellow sublimate.^[4]

Other reactions are also used.^[5]

Physical properties

crystallizes in tetragonal crystal system of space group I4/amd.^[6]

Chemical properties

The compound reacts with ammonia to produce neptunium trichloride:^[3]

Neptunium tetrachloride can be reduced to neptunium trichloride by hydrogen at 450 °C.

Notes and References

1. Web site: WebElements Periodic Table » Neptunium » neptunium tetrachloride . webelements.com . 1 April 2024.
2. Stone . J. A. . Jones . E. R. . Mössbauer Spectra and Magnetic Susceptibility of Neptunium Tetrachloride below 85°K . . 15 February 1971 . 54 . 4 . 1713–1718 . 10.1063/1.1675076 . 1971JChPh..54.1713S . 1 April 2024.
3. Book: Sheft . Irving . Fried . Sherman . New Neptunium Compounds . 1950 . U.S. Atomic Energy Commission, Technical Information Division . 5 . 1 April 2024 . en.
4. Book: Fried . S. . The Basic Dry Chemistry of Neptunium . 1947 . . 1 . 1 April 2024 . en.
5. Book: Ahrland . S. . Bagnall . K. W. . Brown . D. . The Chemistry of the Actinides: Comprehensive Inorganic Chemistry . 7 June 2016 . . 978-1-4831-5934-8 . 181 . 1 April 2024 . en.
6. Spirlet . Marie-Rose . Jemine . Xavier . Goffart . Jean . A single-crystal X-ray structure determination of neptunium tetrachloride . . 1 January 1995 . 216 . 2 . 269–271 . 10.1016/0925-8388(94)01264-I . 1 April 2024 . 0925-8388.