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

using model chemistry: M06-2X/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 M06-2X/6-311G*
 hartrees
Energy at 0K-96.306404
Energy at 298.15K 
HF Energy-96.306404
Nuclear repulsion energy47.474637
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 M06-2X/6-311G*
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 3090 3090 37.87      
2 A1 2829 2829 0.13      
3 A1 1383 1383 59.31      
4 A1 1291 1291 191.92      
5 A1 947 947 31.89      
6 A2 299 299 0.00      
7 E 3186 3186 1.54      
7 E 3186 3186 1.28      
8 E 1499 1499 16.12      
8 E 1499 1499 15.35      
9 E 1425 1425 91.61      
9 E 1425 1425 94.59      
10 E 1300 1300 4119.59      
10 E 1299 1299 4090.54      
11 E 988 988 3389.92      
11 E 988 988 3324.20      
12 E 1261i 1261i 81287.75      
12 E 1264i 1264i 82036.44      

Unscaled Zero Point Vibrational Energy (zpe) 12053.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12053.9 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 M06-2X/6-311G*
ABC
2.72054 0.67321 0.67321

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.796
N2 0.000 0.000 0.703
H3 0.000 -1.035 -1.131
H4 -0.896 0.517 -1.131
H5 0.896 0.517 -1.131
H6 0.000 0.989 1.084
H7 -0.857 -0.495 1.084
H8 0.857 -0.495 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49911.08781.08781.08782.12422.12422.1242
N21.49912.10582.10582.10581.05981.05981.0598
H31.08782.10581.79261.79263.00022.43522.4352
H41.08782.10581.79261.79262.43522.43523.0002
H51.08782.10581.79261.79262.43523.00022.4352
H62.12421.05983.00022.43522.43521.71311.7131
H72.12421.05982.43522.43523.00021.71311.7131
H82.12421.05982.43523.00022.43521.71311.7131

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 111.056 C1 N2 H7 111.056
C1 N2 H8 111.056 N2 C1 H3 107.924
N2 C1 H4 107.924 N2 C1 H5 107.924
H3 C1 H4 110.973 H3 C1 H5 110.973
H4 C1 H5 110.973 H6 N2 H7 107.841
H6 N2 H8 107.841 H7 N2 H8 107.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.486      
2 N -0.512      
3 H 0.234      
4 H 0.234      
5 H 0.234      
6 H 0.099      
7 H 0.099      
8 H 0.099      


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 -1.761 1.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.429 0.000 0.000
y 0.000 -18.429 0.000
z 0.000 0.000 -18.643
Traceless
 xyz
x 0.107 0.000 0.000
y 0.000 0.107 0.000
z 0.000 0.000 -0.214
Polar
3z2-r2-0.428
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 45.391 0.000 0.000
y 0.000 45.271 -0.021
z 0.000 -0.021 7.622


<r2> (average value of r2) Å2
<r2> 32.325
(<r2>)1/2 5.686