$, *, and _ | Pairs of these symbols indicate the begining and ending of a bond. |
Special Characters | |
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PI | Indicates the symbol Π in the ASCII version. |
$, *, and _ | Pairs of these symbols indicate the begining and ending of a bond. |
J | Resultant total angular momentum quantum number, excluding nuclear spins. |
N | Rotational angular momentum quantum number, excluding electron and nuclear spins, in the case where electron spin is present. |
K-, K+ | Projection of J (or N) on the symmetry axis in the limiting prolate or oblate symmetric top. |
F1 | Resultant angular momentum quantum number including nuclear spin for one nucleus. |
F | Resultant total angular momentum quantum number. |
A, E | Torsional symmetry substates representing irreducible representations of the symmetry group of the rotation-internal rotation Hamiltonian. |
ν1,ν2,ν3 | Vibrational modes (ν) and quantum numbers (v). |
U or L | Upper or lower energy level or transition frequency. |
ℓ | Quantum number for vibrational angular momentum. |
I or (Ii) | Angular momentum quantum number of nuclear spin for one (or ith) nucleus. |