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

using model chemistry: PBEPBE/6-31G**

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/6-31G**
 hartrees
Energy at 0K-96.203387
Energy at 298.15K-96.209135
HF Energy-96.203387
Nuclear repulsion energy46.557870
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/6-31G**
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 2994 2953 65.92      
2 A1 2394 2361 98.21      
3 A1 1253 1236 148.26      
4 A1 1068 1053 6.10      
5 A1 775 764 16.08      
6 A2 261 257 0.00      
7 E 3096 3054 19.00      
7 E 3096 3054 19.01      
8 E 1613 1591 1847.11      
8 E 1613 1590 1847.38      
9 E 1421 1401 75.61      
9 E 1421 1401 75.60      
10 E 1158 1142 16.21      
10 E 1158 1142 16.21      
11 E 824 812 39.09      
11 E 824 812 39.10      
12 E 186 183 1992.28      
12 E 186 183 1991.84      

Unscaled Zero Point Vibrational Energy (zpe) 12668.1 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 12494.5 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 PBEPBE/6-31G**
ABC
2.52326 0.65919 0.65919

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.802
N2 0.000 0.000 0.719
H3 0.000 -1.049 -1.132
H4 -0.908 0.524 -1.132
H5 0.908 0.524 -1.132
H6 0.000 1.054 1.060
H7 -0.913 -0.527 1.060
H8 0.913 -0.527 1.060

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.52121.09921.09921.09922.13962.13962.1396
N21.52122.12752.12752.12751.10751.10751.1075
H31.09922.12751.81611.81613.03722.43112.4311
H41.09922.12751.81611.81612.43112.43113.0372
H51.09922.12751.81611.81612.43113.03722.4311
H62.13961.10753.03722.43112.43111.82501.8250
H72.13961.10752.43112.43113.03721.82501.8250
H82.13961.10752.43113.03722.43111.82501.8250

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 107.928 C1 N2 H7 107.928
C1 N2 H8 107.928 N2 C1 H3 107.466
N2 C1 H4 107.466 N2 C1 H5 107.466
H3 C1 H4 111.400 H3 C1 H5 111.400
H4 C1 H5 111.400 H6 N2 H7 110.969
H6 N2 H8 110.969 H7 N2 H8 110.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 N -0.226      
3 H 0.132      
4 H 0.132      
5 H 0.132      
6 H 0.038      
7 H 0.038      
8 H 0.038      


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 -0.877 0.877
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.788 0.000 0.000
y 0.000 -16.788 0.000
z 0.000 0.000 -16.515
Traceless
 xyz
x -0.137 0.000 0.000
y 0.000 -0.137 0.000
z 0.000 0.000 0.273
Polar
3z2-r20.546
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 7.640 0.000 0.000
y 0.000 7.641 0.000
z 0.000 0.000 5.453


<r2> (average value of r2) Å2
<r2> 31.754
(<r2>)1/2 5.635