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

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-96.316003
Energy at 298.15K-96.322970
HF Energy-96.316003
Nuclear repulsion energy46.890653
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 B97D3/6-311G**
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 2986 2943 129.03      
2 A1 2560 2523 31.85      
3 A1 1294 1275 120.97      
4 A1 1156 1140 176.65      
5 A1 796 785 37.70      
6 A2 265 261 0.00      
7 E 3085 3041 21.48      
7 E 3085 3041 21.50      
8 E 1953 1925 5773.91      
8 E 1953 1925 5777.27      
9 E 1435 1414 10.52      
9 E 1435 1414 10.53      
10 E 1256 1238 16.15      
10 E 1256 1238 16.23      
11 E 1091 1075 540.46      
11 E 1091 1075 540.25      
12 E 827 815 104.72      
12 E 827 815 104.75      

Unscaled Zero Point Vibrational Energy (zpe) 14175.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 13972.7 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 B97D3/6-311G**
ABC
2.63605 0.65812 0.65812

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.808
N2 0.000 0.000 0.713
H3 0.000 -1.044 -1.134
H4 -0.904 0.522 -1.134
H5 0.904 0.522 -1.134
H6 0.000 1.012 1.087
H7 -0.877 -0.506 1.087
H8 0.877 -0.506 1.087

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.52111.09401.09401.09402.14862.14862.1486
N21.52112.12192.12192.12191.07911.07911.0791
H31.09402.12191.80881.80883.02712.44792.4479
H41.09402.12191.80881.80882.44792.44793.0271
H51.09402.12191.80881.80882.44793.02712.4479
H62.14861.07913.02712.44792.44791.75321.7532
H72.14861.07912.44792.44793.02711.75321.7532
H82.14861.07912.44793.02712.44791.75321.7532

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 110.286 C1 N2 H7 110.286
C1 N2 H8 110.286 N2 C1 H3 107.339
N2 C1 H4 107.339 N2 C1 H5 107.339
H3 C1 H4 111.516 H3 C1 H5 111.516
H4 C1 H5 111.516 H6 N2 H7 108.644
H6 N2 H8 108.644 H7 N2 H8 108.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 N -0.082      
3 H 0.117      
4 H 0.117      
5 H 0.117      
6 H -0.028      
7 H -0.028      
8 H -0.028      


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 -1.475 1.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.038 0.000 0.000
y 0.000 -18.038 0.000
z 0.000 0.000 -17.992
Traceless
 xyz
x -0.023 0.000 0.000
y 0.000 -0.023 0.000
z 0.000 0.000 0.046
Polar
3z2-r20.092
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 15.850 0.000 0.000
y 0.000 15.844 0.000
z 0.000 0.000 8.425


<r2> (average value of r2) Å2
<r2> 32.483
(<r2>)1/2 5.699