Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Stepwise Computational Synthesis of Fullerene C60 derivatives.
  2.Hydrogenated Fullerenes from C60 to C60H60   Hydrogenation from C60 to C60H60 has been studied by unrestricted broken spin
symmetry Hartree-Fock approach implemented in semiempirical codes based on AM1
technique. The calculations were focused on sequential addition of hydrogen
molecules to the fullerene cage following the indication of the cage target
atoms by the highest atomic chemical susceptibility calculated at each step.
The obtained results are analyzed from energetic, symmetry, and the composition
abundance viewpoints.

3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
36
The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
1
The categories of this paper are: cs
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
29
The categories of this paper are: funct-an
12
The categories of this paper are: nucl-th
26
The categories of this paper are: bayes-an
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ