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

using model chemistry: HSEh1PBE/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 HSEh1PBE/TZVP
 hartrees
Energy at 0K-96.276733
Energy at 298.15K-96.283854
HF Energy-96.276733
Nuclear repulsion energy47.555186
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 HSEh1PBE/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 3075 2952 79.42      
2 A1 2835 2722 6.53      
3 A1 1368 1313 64.16      
4 A1 1276 1225 248.07      
5 A1 936 898 44.48      
6 A2 286 275 0.00      
7 E 3174 3047 4.27      
7 E 3174 3047 4.25      
8 E 2495 2396 3662.97      
8 E 2495 2396 3664.98      
9 E 1481 1422 2.12      
9 E 1481 1422 2.15      
10 E 1366 1311 0.49      
10 E 1366 1311 0.48      
11 E 1214 1166 46.30      
11 E 1214 1166 46.27      
12 E 874 839 91.26      
12 E 874 839 91.00      

Unscaled Zero Point Vibrational Energy (zpe) 15491.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 14873.6 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 HSEh1PBE/TZVP
ABC
2.71859 0.67670 0.67670

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.792
N2 0.000 0.000 0.703
H3 0.000 -1.035 -1.130
H4 -0.896 0.518 -1.130
H5 0.896 0.518 -1.130
H6 0.000 0.990 1.075
H7 -0.857 -0.495 1.075
H8 0.857 -0.495 1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49531.08881.08881.08882.11382.11382.1138
N21.49532.10522.10522.10521.05751.05751.0575
H31.08882.10521.79281.79282.99412.42722.4272
H41.08882.10521.79281.79282.42722.42722.9941
H51.08882.10521.79281.79282.42722.99412.4272
H62.11381.05752.99412.42722.42721.71431.7143
H72.11381.05752.42722.42722.99411.71431.7143
H82.11381.05752.42722.99412.42721.71431.7143

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 110.625 C1 N2 H7 110.625
C1 N2 H8 110.625 N2 C1 H3 108.078
N2 C1 H4 108.078 N2 C1 H5 108.078
H3 C1 H4 110.828 H3 C1 H5 110.828
H4 C1 H5 110.828 H6 N2 H7 108.293
H6 N2 H8 108.293 H7 N2 H8 108.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.161      
2 N 0.310      
3 H 0.084      
4 H 0.084      
5 H 0.084      
6 H -0.134      
7 H -0.134      
8 H -0.134      


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 -1.502 1.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.128 0.000 0.000
y 0.000 -19.128 0.000
z 0.000 0.000 -18.191
Traceless
 xyz
x -0.469 0.000 0.000
y 0.000 -0.469 0.000
z 0.000 0.000 0.937
Polar
3z2-r21.875
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 15.016 0.000 0.000
y 0.000 15.023 -0.006
z 0.000 -0.006 8.898


<r2> (average value of r2) Å2
<r2> 32.432
(<r2>)1/2 5.695