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

using model chemistry: B97D3/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/cc-pVDZ
 hartrees
Energy at 0K-96.279073
Energy at 298.15K-96.285781
HF Energy-96.279073
Nuclear repulsion energy46.587876
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/cc-pVDZ
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 2981 2955 119.67      
2 A1 2397 2377 77.40      
3 A1 1248 1237 143.75      
4 A1 1065 1056 71.87      
5 A1 769 763 41.88      
6 A2 268 266 0.00      
7 E 3090 3064 24.57      
7 E 3090 3064 24.57      
8 E 1611 1597 4000.38      
8 E 1611 1597 4004.47      
9 E 1396 1384 82.18      
9 E 1396 1384 82.31      
10 E 1180 1170 5.74      
10 E 1180 1170 5.73      
11 E 815 808 111.92      
11 E 815 808 111.75      
12 E 701 695 2556.16      
12 E 701 695 2552.58      

Unscaled Zero Point Vibrational Energy (zpe) 13156.8 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 13045.0 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/cc-pVDZ
ABC
2.55518 0.65698 0.65698

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.806
N2 0.000 0.000 0.714
H3 0.000 -1.053 -1.135
H4 -0.912 0.526 -1.135
H5 0.912 0.526 -1.135
H6 0.000 1.036 1.081
H7 -0.897 -0.518 1.081
H8 0.897 -0.518 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.52001.10291.10291.10292.15282.15282.1528
N21.52002.12752.12752.12751.09921.09921.0992
H31.10292.12751.82361.82363.04522.44962.4496
H41.10292.12751.82361.82362.44962.44963.0452
H51.10292.12751.82361.82362.44963.04522.4496
H62.15281.09923.04522.44962.44961.79461.7946
H72.15281.09922.44962.44963.04521.79461.7946
H82.15281.09922.44963.04522.44961.79461.7946

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 109.507 C1 N2 H7 109.507
C1 N2 H8 109.507 N2 C1 H3 107.334
N2 C1 H4 107.334 N2 C1 H5 107.334
H3 C1 H4 111.521 H3 C1 H5 111.521
H4 C1 H5 111.521 H6 N2 H7 109.436
H6 N2 H8 109.436 H7 N2 H8 109.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 N 0.230      
3 H 0.028      
4 H 0.028      
5 H 0.028      
6 H -0.113      
7 H -0.113      
8 H -0.113      


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 -1.197 1.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.306 0.000 0.000
y 0.000 -17.306 0.000
z 0.000 0.000 -17.225
Traceless
 xyz
x -0.041 0.000 0.000
y 0.000 -0.041 0.000
z 0.000 0.000 0.081
Polar
3z2-r20.163
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 12.176 0.000 0.000
y 0.000 12.164 -0.001
z 0.000 -0.001 7.049


<r2> (average value of r2) Å2
<r2> 32.174
(<r2>)1/2 5.672