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

using model chemistry: PBE1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at PBE1PBE/6-31+G**
 hartrees
Energy at 0K-96.254181
Energy at 298.15K-96.261338
HF Energy-96.254181
Nuclear repulsion energy47.742945
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 PBE1PBE/6-31+G**
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 3094 2955 60.82      
2 A1 2997 2863 21.45      
3 A1 1397 1335 73.12      
4 A1 1317 1258 709.66      
5 A1 967 924 94.93      
6 A2 296 283 0.00      
7 E 3199 3056 1.46      
7 E 3199 3056 1.46      
8 E 2905 2776 1528.52      
8 E 2905 2776 1529.33      
9 E 1496 1429 122.75      
9 E 1496 1429 122.71      
10 E 1480 1414 2.15      
10 E 1480 1414 2.16      
11 E 1240 1184 1.79      
11 E 1240 1184 1.80      
12 E 882 842 86.69      
12 E 882 842 86.82      

Unscaled Zero Point Vibrational Energy (zpe) 16235.6 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 15509.8 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 PBE1PBE/6-31+G**
ABC
2.75877 0.67996 0.67996

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.790
N2 0.000 0.000 0.699
H3 0.000 -1.035 -1.133
H4 -0.897 0.518 -1.133
H5 0.897 0.518 -1.133
H6 0.000 0.974 1.081
H7 -0.844 -0.487 1.081
H8 0.844 -0.487 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48871.09081.09081.09082.10882.10882.1088
N21.48872.10442.10442.10441.04641.04641.0464
H31.09082.10441.79311.79312.98982.43172.4317
H41.09082.10441.79311.79312.43172.43172.9898
H51.09082.10441.79311.79312.43172.98982.4317
H62.10881.04642.98982.43172.43171.68751.6875
H72.10881.04642.43172.43172.98981.68751.6875
H82.10881.04642.43172.98982.43171.68751.6875

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 111.387 C1 N2 H7 111.387
C1 N2 H8 111.387 N2 C1 H3 108.357
N2 C1 H4 108.357 N2 C1 H5 108.357
H3 C1 H4 110.562 H3 C1 H5 110.562
H4 C1 H5 110.562 H6 N2 H7 107.490
H6 N2 H8 107.490 H7 N2 H8 107.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.852      
2 N 0.267      
3 H 0.211      
4 H 0.211      
5 H 0.211      
6 H 0.317      
7 H 0.317      
8 H 0.317      


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 -1.404 1.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.631 0.000 0.000
y 0.000 -21.631 0.000
z 0.000 0.000 -20.039
Traceless
 xyz
x -0.796 0.000 0.000
y 0.000 -0.796 0.000
z 0.000 0.000 1.592
Polar
3z2-r23.184
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 26.999 0.000 0.000
y 0.000 26.975 0.003
z 0.000 0.003 17.260


<r2> (average value of r2) Å2
<r2> 33.759
(<r2>)1/2 5.810