update project claims

Author: PaulWAyers

book/problems/Final_Project_Ideas.md

@@ -34,7 +34,7 @@
 
 1. Computing (inhomogeneous) spectral broadening due to temperature (thermal) or solvent (spatial inhomogenity) effects.
 
-1. Computation of the rotational spectrum of a polyatomic molecule.
+1. ~~Computation of the rotational spectrum of a polyatomic molecule.~~ (Project Claimed)
 
 1. Computation of the vibrational spectrum of a polyatomic molecule.
 
@@ -64,3 +64,5 @@
 
 1. Model ro-vibrational spectra for a diatomic molecule, including corrections for anharmonicity and centrifugal distortion.
 
+1. ~~Explain semiconducting vs. metallic nanotubes at the Huckel level.~~ (Project Claimed)
+