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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-96.327337
Energy at 298.15K-96.334322
HF Energy-96.327337
Nuclear repulsion energy46.975232
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/TZVP
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 2999 2956 113.35      
2 A1 2590 2553 2.10      
3 A1 1310 1291 82.32      
4 A1 1166 1150 271.32      
5 A1 798 787 41.30      
6 A2 266 262 0.00      
7 E 3096 3052 10.85      
7 E 3096 3052 10.86      
8 E 2113 2083 5355.17      
8 E 2113 2083 5360.13      
9 E 1443 1422 3.11      
9 E 1443 1422 3.12      
10 E 1254 1236 8.22      
10 E 1254 1236 8.19      
11 E 1116 1100 302.98      
11 E 1116 1100 302.77      
12 E 837 825 74.22      
12 E 837 825 74.33      

Unscaled Zero Point Vibrational Energy (zpe) 14423.9 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 14216.2 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 B97D3/TZVP
ABC
2.65745 0.65854 0.65854

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

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 0.714
H3 0.000 -1.042 -1.136
H4 -0.902 0.521 -1.136
H5 0.902 0.521 -1.136
H6 0.000 1.006 1.086
H7 -0.871 -0.503 1.086
H8 0.871 -0.503 1.086

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.52121.09251.09251.09252.14452.14452.1445
N21.52122.12312.12312.12311.07301.07301.0730
H31.09252.12311.80461.80463.02222.44722.4472
H41.09252.12311.80461.80462.44722.44723.0222
H51.09252.12311.80461.80462.44723.02222.4472
H62.14451.07303.02222.44722.44721.74291.7429
H72.14451.07302.44722.44723.02221.74291.7429
H82.14451.07302.44723.02222.44721.74291.7429

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 110.316 C1 N2 H7 110.316
C1 N2 H8 110.316 N2 C1 H3 107.506
N2 C1 H4 107.506 N2 C1 H5 107.506
H3 C1 H4 111.363 H3 C1 H5 111.363
H4 C1 H5 111.363 H6 N2 H7 108.614
H6 N2 H8 108.614 H7 N2 H8 108.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.180      
2 N 0.299      
3 H 0.095      
4 H 0.095      
5 H 0.095      
6 H -0.135      
7 H -0.135      
8 H -0.135      


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 -1.544 1.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.949 0.000 0.000
y 0.000 -18.949 0.000
z 0.000 0.000 -18.168
Traceless
 xyz
x -0.391 0.000 0.000
y 0.000 -0.391 0.000
z 0.000 0.000 0.781
Polar
3z2-r21.563
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 17.358 0.000 0.000
y 0.000 17.375 0.001
z 0.000 0.001 9.062


<r2> (average value of r2) Å2
<r2> 32.857
(<r2>)1/2 5.732