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

using model chemistry: B1B95/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B1B95/Def2TZVPP
 hartrees
Energy at 0K-96.328737
Energy at 298.15K-96.335856
HF Energy-96.328737
Nuclear repulsion energy47.728082
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 B1B95/Def2TZVPP
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 3083 3083 81.27      
2 A1 2865 2865 3.64      
3 A1 1366 1366 45.07      
4 A1 1270 1270 288.65      
5 A1 938 938 40.55      
6 A2 288 288 0.00      
7 E 3180 3180 3.42      
7 E 3180 3180 3.41      
8 E 2578 2578 3282.95      
8 E 2578 2578 3285.70      
9 E 1484 1484 0.36      
9 E 1484 1484 0.38      
10 E 1393 1393 14.15      
10 E 1393 1393 14.02      
11 E 1218 1218 23.99      
11 E 1218 1218 23.96      
12 E 864 864 107.81      
12 E 864 864 107.75      

Unscaled Zero Point Vibrational Energy (zpe) 15621.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15621.8 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 B1B95/Def2TZVPP
ABC
2.74801 0.68013 0.68013

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.792
N2 0.000 0.000 0.700
H3 0.000 -1.032 -1.126
H4 -0.894 0.516 -1.126
H5 0.894 0.516 -1.126
H6 0.000 0.982 1.075
H7 -0.850 -0.491 1.075
H8 0.850 -0.491 1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49201.08471.08471.08472.10932.10932.1093
N21.49202.09792.09792.09791.05111.05111.0511
H31.08472.09791.78711.78712.98362.42112.4211
H41.08472.09791.78711.78712.42112.42112.9836
H51.08472.09791.78711.78712.42112.98362.4211
H62.10931.05112.98362.42112.42111.70091.7009
H72.10931.05112.42112.42112.98361.70091.7009
H82.10931.05112.42112.98362.42111.70091.7009

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 110.888 C1 N2 H7 110.888
C1 N2 H8 110.888 N2 C1 H3 107.969
N2 C1 H4 107.969 N2 C1 H5 107.969
H3 C1 H4 110.930 H3 C1 H5 110.930
H4 C1 H5 110.931 H6 N2 H7 108.018
H6 N2 H8 108.018 H7 N2 H8 108.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 N 0.579      
3 H 0.061      
4 H 0.061      
5 H 0.061      
6 H -0.222      
7 H -0.222      
8 H -0.222      


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 -1.561 1.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.242 0.000 0.000
y 0.000 -19.242 0.000
z 0.000 0.000 -18.292
Traceless
 xyz
x -0.475 0.000 0.000
y 0.000 -0.475 0.000
z 0.000 0.000 0.949
Polar
3z2-r21.899
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 15.604 0.000 0.000
y 0.000 15.625 -0.002
z 0.000 -0.002 9.397


<r2> (average value of r2) Å2
<r2> 32.374
(<r2>)1/2 5.690