Chemical Compounds
Rotational Spectrum
66%
Microwave
65%
Bond Length
47%
Dipole Moment
41%
Quadrupole Coupling
30%
Internal Rotation
27%
Rotational Spectroscopy
27%
Nuclear Quadrupole Coupling Constant
26%
Binding Energy
24%
Jet
23%
Proton
23%
Hyperfine Structure
22%
Tunneling
22%
Microwave Spectroscopy
22%
Rotational Constant
22%
Adduct
19%
Energy
19%
Hydrogen Bond
19%
Molecular Beam
18%
Nitrogen
18%
Proton Transfer
17%
Moment of Inertia
17%
Force Constant
17%
Barrier of Internal Rotation
14%
Nitric Acid
14%
Ab Initio Calculation
14%
Pyridine
13%
Monomer
13%
Resonance
12%
Substitution Reaction
12%
Donor
11%
Triflic Acid
11%
Ground State
11%
Rotational Transition
11%
Bending Vibration
11%
Hydrogen
11%
Gas
11%
Spectroscopy
10%
Van Der Waals Bond
10%
Methyl Group
10%
Trimer
9%
Angular Momentum
9%
Conformational Isomer
9%
Proton Affinity
9%
Molecule
9%
Atmospheric Aerosol
9%
Calculation Method
9%
Nozzle
9%
Physics & Astronomy
microwave spectra
86%
microwaves
58%
rotational spectra
50%
dipole moments
38%
anhydrides
33%
acids
33%
spectroscopy
31%
protons
24%
adducts
23%
nitric acid
23%
hydrogen bonds
19%
nozzles
19%
quadrupoles
19%
water
18%
pyridines
17%
rotors
17%
monomers
15%
binding energy
14%
nitrogen
14%
methylidyne
14%
amines
14%
hyperfine structure
14%
vapor phases
13%
hydrogen
13%
carboxylic acids
13%
sulfur
12%
energy
12%
substitutes
10%
magnetic resonance
10%
quenching
9%
dimers
9%
atoms
9%
trimers
9%
microwave spectrometers
8%
geometry
8%
affinity
8%
formic acid
8%
center of mass
8%
magnesium
8%
ground state
8%
sulfuric acid
8%
molecules
7%
Stark effect
7%
infrared lasers
7%
oxygen
6%
ruthenium
6%
interactions
6%
electric moments
6%
orbitals
6%
progressions
6%