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Peritectic phase transition of benzene and acetonitrile into a cocrystal relevant to Titan, Saturn's moon

Journal Article · · ChemComm
DOI:https://doi.org/10.1039/d0cc04999a· OSTI ID:1774340
 [1];  [1];  [2];  [2];  [1];  [3];  [3];  [1];  [4];  [1]
  1. Southern Methodist Univ., Dallas, TX (United States)
  2. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States); Univ. of Delaware, Newark, DE (United States)
Benzene and acetonitrile are two of the most commonly used solvents found in almost every chemical laboratory. Titan is one other place in the solar system that has large amounts of these compounds. On Titan, organic molecules are produced in the atmosphere and carried to the surface where they can mineralize. In this work, we report the phase diagram of mixtures of acetonitrile and benzene, and provide an account of the structure and composition of the phases. To mimic the environment on Titan more accurately, we tested the stability of the structure under liquid ethane. The results provide new insights into the structure and stability of potential extraterrestrial minerals. In light of Dragonfly, NASA's upcoming mission to Titan, revisiting the fundamental chemistry of the smallest molecules with modern methods and techniques can have significant contributions to this epochal mission and can open new research directions in chemistry.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
Southern Methodist University; USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; Welch Foundation
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1774340
Journal Information:
ChemComm, Journal Name: ChemComm Journal Issue: 88 Vol. 56; ISSN 1359-7345
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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