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

using model chemistry: wB97X-D/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 wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-96.355366
Energy at 298.15K-96.362493
HF Energy-96.355366
Nuclear repulsion energy 
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 wB97X-D/Def2TZVPP
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 3086 2948 61.74      
2 A1 2847 2719 0.70      
3 A1 1372 1310 48.38      
4 A1 1264 1208 260.20      
5 A1 930 889 37.46      
6 A2 295 281 0.00      
7 E 3183 3040 2.81      
7 E 3183 3040 2.82      
8 E 2459 2348 4346.22      
8 E 2458 2348 4344.26      
9 E 1492 1425 1.64      
9 E 1492 1425 1.63      
10 E 1395 1332 23.00      
10 E 1395 1332 23.08      
11 E 1209 1155 43.47      
11 E 1209 1155 43.58      
12 E 872 833 111.72      
12 E 872 833 111.63      

Unscaled Zero Point Vibrational Energy (zpe) 15505.1 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 14810.5 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 wB97X-D/Def2TZVPP
ABC
2.73687 0.67519 0.67519

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.794
N2 0.000 0.000 0.702
H3 0.000 -1.033 -1.132
H4 -0.894 0.516 -1.132
H5 0.894 0.516 -1.132
H6 0.000 0.985 1.082
H7 -0.853 -0.493 1.082
H8 0.853 -0.493 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49631.08671.08671.08672.11952.11952.1195
N21.49632.10492.10492.10491.05601.05601.0560
H31.08672.10491.78891.78892.99602.43382.4338
H41.08672.10491.78891.78892.43382.43382.9960
H51.08672.10491.78891.78892.43382.99602.4338
H62.11951.05602.99602.43382.43381.70631.7063
H72.11951.05602.43382.43382.99601.70631.7063
H82.11951.05602.43382.99602.43381.70631.7063

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 111.115 C1 N2 H7 111.115
C1 N2 H8 111.115 N2 C1 H3 108.110
N2 C1 H4 108.110 N2 C1 H5 108.110
H3 C1 H4 110.798 H3 C1 H5 110.798
H4 C1 H5 110.798 H6 N2 H7 107.779
H6 N2 H8 107.779 H7 N2 H8 107.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 N 0.575      
3 H 0.065      
4 H 0.065      
5 H 0.065      
6 H -0.231      
7 H -0.231      
8 H -0.231      


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 -1.723 1.723
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.045 0.000 0.000
y 0.000 -19.045 0.000
z 0.000 0.000 -18.393
Traceless
 xyz
x -0.326 0.000 0.000
y 0.000 -0.326 0.000
z 0.000 0.000 0.651
Polar
3z2-r21.303
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 15.523 0.000 0.000
y 0.000 15.517 0.001
z 0.000 0.001 8.713


<r2> (average value of r2) Å2
<r2> 32.465
(<r2>)1/2 5.698