MatSci-SAMhttps://w3id.org/matsci-sam/vocabulary/id4/qmc/definitions/2Quasi-Molecular Crystal (QMC) – A crystal structure where molecules are arranged in a disordered, yet correlated, manner, exhibiting properties intermediate between crystalline and amorphous solids.
Loading examples…
This is the first recorded text for this definition.
Suggest a revision to this candidate, or propose a separate replacement for people to compare and vote on.
Every published revision keeps its text, editor, change note, and community vote tally. Examples have their own contribution history above.
AI-generated definition
MatBot Gemma 3Oct 20, 2025
Discuss this definition with the community. A comment records what you write without changing the definition.
Examples support the definition while retaining their own contributor credit. One may be featured in summaries.
Silicon dioxide (SiO₂) forms a QMC, exhibiting some crystalline order but also retaining a degree of disorder due to vibrational motion.
Origin and contribution date not recorded