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

using model chemistry: B97D3/cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-96.340582
Energy at 298.15K-96.347642
HF Energy-96.340582
Nuclear repulsion energy47.230036
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-pVQZ
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 2992 2992 135.48      
2 A1 2665 2665 0.24      
3 A1 1327 1327 64.07      
4 A1 1198 1198 372.73      
5 A1 850 850 44.17      
6 A2 291 291 0.00      
7 E 3088 3088 8.03      
7 E 3088 3088 8.04      
8 E 2290 2290 6049.17      
8 E 2290 2290 6037.24      
9 E 1437 1437 0.01      
9 E 1437 1437 0.01      
10 E 1298 1298 0.43      
10 E 1298 1298 0.45      
11 E 1166 1166 125.31      
11 E 1166 1166 125.03      
12 E 845 845 137.68      
12 E 845 845 137.11      

Unscaled Zero Point Vibrational Energy (zpe) 14784.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14784.1 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-pVQZ
ABC
2.68831 0.66531 0.66531

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.803
N2 0.000 0.000 0.710
H3 0.000 -1.040 -1.132
H4 -0.901 0.520 -1.132
H5 0.901 0.520 -1.132
H6 0.000 0.996 1.082
H7 -0.863 -0.498 1.082
H8 0.863 -0.498 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51281.09091.09091.09092.13162.13162.1316
N21.51282.11512.11512.11511.06321.06321.0632
H31.09092.11511.80151.80153.00762.43672.4367
H41.09092.11511.80151.80152.43672.43673.0076
H51.09092.11511.80151.80152.43673.00762.4367
H62.13161.06323.00762.43672.43671.72521.7252
H72.13161.06322.43672.43673.00761.72521.7252
H82.13161.06322.43673.00762.43671.72521.7252

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 110.469 C1 N2 H7 110.469
C1 N2 H8 110.469 N2 C1 H3 107.546
N2 C1 H4 107.546 N2 C1 H5 107.546
H3 C1 H4 111.326 H3 C1 H5 111.326
H4 C1 H5 111.326 H6 N2 H7 108.455
H6 N2 H8 108.455 H7 N2 H8 108.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.127      
2 N 0.199      
3 H 0.109      
4 H 0.109      
5 H 0.109      
6 H -0.133      
7 H -0.133      
8 H -0.133      


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 -1.614 1.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.772 0.000 0.000
y 0.000 -19.772 0.000
z 0.000 0.000 -18.346
Traceless
 xyz
x -0.713 0.000 0.000
y 0.000 -0.713 0.000
z 0.000 0.000 1.426
Polar
3z2-r22.852
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 24.555 0.000 0.000
y 0.000 24.609 0.011
z 0.000 0.011 11.530


<r2> (average value of r2) Å2
<r2> 33.023
(<r2>)1/2 5.747