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

using model chemistry: B97D3/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-96.317308
Energy at 298.15K-96.324377
HF Energy-96.317308
Nuclear repulsion energy47.202286
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3013 3013 147.68      
2 A1 2780 2780 304.40      
3 A1 1334 1334 47.31      
4 A1 1234 1234 1588.75      
5 A1 865 865 176.68      
6 A2 275 275 0.00      
7 E 3120 3120 0.41      
7 E 3120 3120 0.40      
8 E 2607 2607 5780.71      
8 E 2607 2607 5800.89      
9 E 1425 1425 19.26      
9 E 1425 1425 19.56      
10 E 1370 1370 239.45      
10 E 1370 1370 240.28      
11 E 1184 1184 4.66      
11 E 1184 1184 4.50      
12 E 855 855 206.00      
12 E 855 855 206.70      

Unscaled Zero Point Vibrational Energy (zpe) 15311.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15311.8 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 B97D3/aug-cc-pVDZ
ABC
2.70270 0.66223 0.66223

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.805
N2 0.000 0.000 0.710
H3 0.000 -1.046 -1.138
H4 -0.906 0.523 -1.138
H5 0.906 0.523 -1.138
H6 0.000 0.984 1.091
H7 -0.853 -0.492 1.091
H8 0.853 -0.492 1.091

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51431.09771.09771.09772.13622.13622.1362
N21.51432.12322.12322.12321.05581.05581.0558
H31.09772.12321.81151.81153.01532.45012.4501
H41.09772.12321.81151.81152.45012.45013.0153
H51.09772.12321.81151.81152.45013.01532.4501
H62.13621.05583.01532.45012.45011.70511.7051
H72.13621.05582.45012.45013.01531.70511.7051
H82.13621.05582.45013.01532.45011.70511.7051

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 111.186 C1 N2 H7 111.186
C1 N2 H8 111.186 N2 C1 H3 107.683
N2 C1 H4 107.683 N2 C1 H5 107.683
H3 C1 H4 111.199 H3 C1 H5 111.199
H4 C1 H5 111.199 H6 N2 H7 107.703
H6 N2 H8 107.703 H7 N2 H8 107.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.484      
2 N -0.126      
3 H -0.262      
4 H -0.262      
5 H -0.262      
6 H -0.191      
7 H -0.191      
8 H -0.191      


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 -2.691 2.691
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.451 0.000 0.000
y 0.000 -23.451 0.000
z 0.000 0.000 -22.700
Traceless
 xyz
x -0.375 0.000 0.000
y 0.000 -0.375 0.000
z 0.000 0.000 0.751
Polar
3z2-r21.501
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 62.985 0.000 0.000
y 0.000 63.089 -0.092
z 0.000 -0.092 34.094


<r2> (average value of r2) Å2
<r2> 35.547
(<r2>)1/2 5.962