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All results from a given calculation for CH4 (Methane)

using model chemistry: HSEh1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-40.478905
Energy at 298.15K-40.481915
HF Energy-40.478905
Nuclear repulsion energy13.452955
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3047 3047 0.00 178.84 0.00 0.00
2 E 1553 1553 0.00 13.92 0.75 0.86
2 E 1553 1553 0.00 13.92 0.75 0.86
3 T2 3167 3167 19.17 52.02 0.75 0.86
3 T2 3167 3167 19.17 52.02 0.75 0.86
3 T2 3167 3167 19.17 52.02 0.75 0.86
4 T2 1328 1328 14.93 0.22 0.75 0.86
4 T2 1328 1328 14.93 0.22 0.75 0.86
4 T2 1328 1328 14.93 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9819.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9819.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/Def2TZVPP
ABC
5.29328 5.29328 5.29328

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.628 0.628 0.628
H3 -0.628 -0.628 0.628
H4 -0.628 0.628 -0.628
H5 0.628 -0.628 -0.628

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5
C11.08861.08861.08861.0886
H21.08861.77761.77761.7776
H31.08861.77761.77761.7776
H41.08861.77761.77761.7776
H51.08861.77761.77761.7776

picture of Methane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 109.471 H2 C1 H4 109.471
H2 C1 H5 109.471 H3 C1 H4 109.471
H3 C1 H5 109.471 H4 C1 H5 109.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.372      
2 H 0.093      
3 H 0.093      
4 H 0.093      
5 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -8.405 0.000 0.000
y 0.000 -8.405 0.000
z 0.000 0.000 -8.405
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.294 0.000 0.000
y 0.000 2.294 0.000
z 0.000 0.000 2.294


<r2> (average value of r2) Å2
<r2> 9.989
(<r2>)1/2 3.161