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All results from a given calculation for CH3NH3 (methyl ammonium radical)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-96.246773
Energy at 298.15K-96.253772
HF Energy-96.246773
Nuclear repulsion energy46.958307
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 PBEPBE/6-311G**
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 2978 2951 114.18      
2 A1 2624 2600 62.82      
3 A1 1287 1275 131.41      
4 A1 1171 1161 155.83      
5 A1 857 849 41.10      
6 A2 267 264 0.00      
7 E 3075 3047 18.18      
7 E 3075 3047 18.19      
8 E 2146 2127 3861.75      
8 E 2146 2127 3862.20      
9 E 1415 1402 11.93      
9 E 1415 1402 11.93      
10 E 1266 1254 4.81      
10 E 1266 1254 4.82      
11 E 1121 1111 204.67      
11 E 1121 1111 204.60      
12 E 829 821 78.55      
12 E 829 821 78.57      

Unscaled Zero Point Vibrational Energy (zpe) 14444.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 14312.9 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 PBEPBE/6-311G**
ABC
2.62793 0.66265 0.66265

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.803
N2 0.000 0.000 0.711
H3 0.000 -1.046 -1.134
H4 -0.906 0.523 -1.134
H5 0.906 0.523 -1.134
H6 0.000 1.013 1.081
H7 -0.877 -0.507 1.081
H8 0.877 -0.507 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51361.09771.09771.09772.13932.13932.1393
N21.51362.12112.12112.12111.07891.07891.0789
H31.09772.12111.81251.81253.02512.44342.4434
H41.09772.12111.81251.81252.44342.44343.0251
H51.09772.12111.81251.81252.44343.02512.4434
H62.13931.07893.02512.44342.44341.75491.7549
H72.13931.07892.44342.44343.02511.75491.7549
H82.13931.07892.44343.02512.44341.75491.7549

picture of methyl ammonium radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 110.091 C1 N2 H7 110.091
C1 N2 H8 110.091 N2 C1 H3 107.574
N2 C1 H4 107.574 N2 C1 H5 107.574
H3 C1 H4 111.300 H3 C1 H5 111.300
H4 C1 H5 111.300 H6 N2 H7 108.844
H6 N2 H8 108.844 H7 N2 H8 108.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 N -0.123      
3 H 0.119      
4 H 0.119      
5 H 0.119      
6 H -0.010      
7 H -0.010      
8 H -0.010      


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 -1.311 1.311
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.157 0.000 0.000
y 0.000 -18.157 0.000
z 0.000 0.000 -17.988
Traceless
 xyz
x -0.085 0.000 0.000
y 0.000 -0.085 0.000
z 0.000 0.000 0.169
Polar
3z2-r20.338
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 13.562 0.000 0.000
y 0.000 13.564 -0.001
z 0.000 -0.001 8.800


<r2> (average value of r2) Å2
<r2> 32.441
(<r2>)1/2 5.696