view article
Figure 3
Raman shift of the bands assigned to the individual guest mol­ecules and their evolution with decreasing T (relative to RT): (a) CH4, (b) C2H6, (c) C3H8 and (d) i-C4H10. Black squares correspond to the bands assigned to the [512] cage, gray squares to those of the [51264] cage. The ESDs are smaller than the symbol size.

IUCrJ
Volume 5| Part 5| September 2018| Pages 595-607
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518009107