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All results from a given calculation for CH4 (Methane)

using model chemistry: B3LYPultrafine/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at B3LYPultrafine/6-311+G(3df,2pd)
 hartrees
Energy at 0K-40.537551
Energy at 298.15K-40.540563
HF Energy-40.537551
Nuclear repulsion energy13.459448
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 B3LYPultrafine/6-311+G(3df,2pd)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3027 2936 0.00      
2 E 1559 1512 0.00      
2 E 1559 1512 0.00      
3 T2 3130 3036 22.31      
3 T2 3130 3036 22.31      
3 T2 3130 3036 22.31      
4 T2 1342 1302 12.33      
4 T2 1342 1302 12.33      
4 T2 1342 1302 12.33      

Unscaled Zero Point Vibrational Energy (zpe) 9780.8 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 9487.3 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 B3LYPultrafine/6-311+G(3df,2pd)
ABC
5.29839 5.29839 5.29839

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311+G(3df,2pd)

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
C11.08811.08811.08811.0881
H21.08811.77681.77681.7768
H31.08811.77681.77681.7768
H41.08811.77681.77681.7768
H51.08811.77681.77681.7768

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 B3LYPultrafine/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 H 0.054      
3 H 0.054      
4 H 0.054      
5 H 0.054      


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 -8.489 0.000 0.000
y 0.000 -8.489 0.000
z 0.000 0.000 -8.489
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 2.417 0.000 0.000
y 0.000 2.417 0.000
z 0.000 0.000 2.417


<r2> (average value of r2) Å2
<r2> 10.037
(<r2>)1/2 3.168