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

using model chemistry: TPSSh/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 TPSSh/cc-pVDZ
 hartrees
Energy at 0K-96.341661
Energy at 298.15K-96.348469
HF Energy-96.341661
Nuclear repulsion energy46.855805
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 TPSSh/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 3044 2960 87.66      
2 A1 2484 2416 80.08      
3 A1 1309 1273 125.90      
4 A1 1119 1088 73.97      
5 A1 853 829 48.05      
6 A2 281 274 0.00      
7 E 3150 3063 17.89      
7 E 3150 3063 17.91      
8 E 1645 1600 4302.75      
8 E 1645 1600 4307.95      
9 E 1452 1412 103.97      
9 E 1452 1412 103.71      
10 E 1231 1197 0.06      
10 E 1231 1197 0.06      
11 E 845 822 34.46      
11 E 845 822 34.06      
12 E 714 694 3456.54      
12 E 714 694 3452.01      

Unscaled Zero Point Vibrational Energy (zpe) 13582.0 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 13207.2 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 TPSSh/cc-pVDZ
ABC
2.58550 0.66455 0.66455

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.800
N2 0.000 0.000 0.710
H3 0.000 -1.048 -1.131
H4 -0.907 0.524 -1.131
H5 0.907 0.524 -1.131
H6 0.000 1.029 1.075
H7 -0.891 -0.515 1.075
H8 0.891 -0.515 1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51061.09841.09841.09842.13892.13892.1389
N21.51062.11812.11812.11811.09171.09171.0917
H31.09842.11811.81451.81453.02922.43762.4376
H41.09842.11811.81451.81452.43762.43763.0292
H51.09842.11811.81451.81452.43763.02922.4376
H62.13891.09173.02922.43762.43761.78251.7825
H72.13891.09172.43762.43763.02921.78251.7825
H82.13891.09172.43763.02922.43761.78251.7825

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 109.499 C1 N2 H7 109.499
C1 N2 H8 109.499 N2 C1 H3 107.499
N2 C1 H4 107.499 N2 C1 H5 107.499
H3 C1 H4 111.370 H3 C1 H5 111.370
H4 C1 H5 111.370 H6 N2 H7 109.444
H6 N2 H8 109.444 H7 N2 H8 109.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.001      
2 N 0.182      
3 H 0.042      
4 H 0.042      
5 H 0.042      
6 H -0.102      
7 H -0.102      
8 H -0.102      


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 -1.269 1.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.274 0.000 0.000
y 0.000 12.266 -0.000
z 0.000 -0.000 6.853


<r2> (average value of r2) Å2
<r2> 31.969
(<r2>)1/2 5.654