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All results from a given calculation for CH4 (Methane)

using model chemistry: B3LYP/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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-40.539119
Energy at 298.15K-40.542132
HF Energy-40.539119
Nuclear repulsion energy13.455324
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 B3LYP/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 3032 2918 0.00 179.23 0.00 0.00
2 E 1558 1500 0.00 14.95 0.75 0.86
2 E 1558 1500 0.00 14.95 0.75 0.86
3 T2 3135 3018 23.10 54.40 0.75 0.86
3 T2 3135 3018 23.10 54.40 0.75 0.86
3 T2 3135 3018 23.10 54.40 0.75 0.86
4 T2 1341 1291 12.66 0.23 0.75 0.86
4 T2 1341 1291 12.66 0.23 0.75 0.86
4 T2 1341 1291 12.66 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9788.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 9422.5 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 B3LYP/Def2TZVPP
ABC
5.29514 5.29514 5.29514

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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
C11.08841.08841.08841.0884
H21.08841.77731.77731.7773
H31.08841.77731.77731.7773
H41.08841.77731.77731.7773
H51.08841.77731.77731.7773

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 B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.389      
2 H 0.097      
3 H 0.097      
4 H 0.097      
5 H 0.097      


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 -8.496 0.000 0.000
y 0.000 -8.496 0.000
z 0.000 0.000 -8.496
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 2.309 0.000 0.000
y 0.000 2.309 0.000
z 0.000 0.000 2.309


<r2> (average value of r2) Å2
<r2> 10.045
(<r2>)1/2 3.169