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

using model chemistry: TPSSh/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-96.400998
Energy at 298.15K-96.408138
HF Energy-96.400998
Nuclear repulsion energy47.580143
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 TPSSh/6-311+G(3df,2p)
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 3054 3054 63.03      
2 A1 2910 2910 31.72      
3 A1 1398 1398 20.07      
4 A1 1283 1283 1158.77      
5 A1 914 914 108.12      
6 A2 292 292 0.00      
7 E 3148 3148 2.43      
7 E 3148 3148 2.38      
8 E 2768 2768 2694.17      
8 E 2768 2768 2701.15      
9 E 1493 1493 70.27      
9 E 1493 1493 71.01      
10 E 1471 1471 144.85      
10 E 1471 1471 143.86      
11 E 1244 1244 0.68      
11 E 1244 1244 0.73      
12 E 872 872 184.74      
12 E 872 872 186.32      

Unscaled Zero Point Vibrational Energy (zpe) 15920.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15920.2 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 TPSSh/6-311+G(3df,2p)
ABC
2.74985 0.67216 0.67216

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.798
N2 0.000 0.000 0.705
H3 0.000 -1.036 -1.130
H4 -0.897 0.518 -1.130
H5 0.897 0.518 -1.130
H6 0.000 0.977 1.081
H7 -0.846 -0.489 1.081
H8 0.846 -0.489 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50381.08761.08761.08762.11842.11842.1184
N21.50382.10792.10792.10791.04691.04691.0469
H31.08762.10791.79391.79392.99052.43042.4304
H41.08762.10791.79391.79392.43042.43042.9905
H51.08762.10791.79391.79392.43042.99052.4304
H62.11841.04692.99052.43042.43041.69261.6926
H72.11841.04692.43042.43042.99051.69261.6926
H82.11841.04692.43042.99052.43041.69261.6926

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 111.031 C1 N2 H7 111.031
C1 N2 H8 111.031 N2 C1 H3 107.777
N2 C1 H4 107.777 N2 C1 H5 107.777
H3 C1 H4 111.111 H3 C1 H5 111.111
H4 C1 H5 111.111 H6 N2 H7 107.868
H6 N2 H8 107.868 H7 N2 H8 107.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.298      
2 N 0.348      
3 H 0.164      
4 H 0.164      
5 H 0.164      
6 H 0.153      
7 H 0.153      
8 H 0.153      


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 -1.444 1.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 38.028 0.000 0.000
y 0.000 37.803 0.033
z 0.000 0.033 20.899


<r2> (average value of r2) Å2
<r2> 34.049
(<r2>)1/2 5.835