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

using model chemistry: M06-2X/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 M06-2X/6-31G**
 hartrees
Energy at 0K-96.266241
Energy at 298.15K-96.273209
HF Energy-96.266241
Nuclear repulsion energy47.057644
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/6-31G**
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 3098 2944 30.69      
2 A1 2568 2441 22.45      
3 A1 1334 1268 85.63      
4 A1 1129 1073 20.82      
5 A1 850 808 30.65      
6 A2 289 274 0.00      
7 E 3198 3040 10.25      
7 E 3198 3039 10.17      
8 E 1834 1743 2578.97      
8 E 1834 1743 2572.92      
9 E 1489 1416 26.64      
9 E 1489 1416 26.48      
10 E 1230 1169 1.67      
10 E 1230 1169 1.77      
11 E 973 924 546.86      
11 E 973 924 548.02      
12 E 841 799 171.88      
12 E 841 799 172.68      

Unscaled Zero Point Vibrational Energy (zpe) 14198.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 13493.9 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/6-31G**
ABC
2.60959 0.66967 0.66967

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.797
N2 0.000 0.000 0.710
H3 0.000 -1.038 -1.128
H4 -0.899 0.519 -1.128
H5 0.899 0.519 -1.128
H6 0.000 1.029 1.065
H7 -0.891 -0.515 1.065
H8 0.891 -0.515 1.065

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50651.08941.08941.08942.12732.12732.1273
N21.50652.11022.11022.11021.08881.08881.0888
H31.08942.11021.79791.79793.01342.42402.4240
H41.08942.11021.79791.79792.42402.42403.0134
H51.08942.11021.79791.79792.42403.01342.4240
H62.12731.08883.01342.42402.42401.78251.7825
H72.12731.08882.42402.42403.01341.78251.7825
H82.12731.08882.42403.01342.42401.78251.7825

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 109.047 C1 N2 H7 109.047
C1 N2 H8 109.047 N2 C1 H3 107.677
N2 C1 H4 107.677 N2 C1 H5 107.677
H3 C1 H4 111.204 H3 C1 H5 111.204
H4 C1 H5 111.204 H6 N2 H7 109.892
H6 N2 H8 109.892 H7 N2 H8 109.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 N -0.237      
3 H 0.137      
4 H 0.137      
5 H 0.137      
6 H 0.032      
7 H 0.032      
8 H 0.032      


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 -1.092 1.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.945 0.000 0.000
y 0.000 -16.945 0.000
z 0.000 0.000 -16.757
Traceless
 xyz
x -0.094 0.000 0.000
y 0.000 -0.094 0.000
z 0.000 0.000 0.189
Polar
3z2-r20.377
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 7.646 0.000 0.000
y 0.000 7.655 -0.009
z 0.000 -0.009 5.047


<r2> (average value of r2) Å2
<r2> 31.506
(<r2>)1/2 5.613