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

using model chemistry: TPSSh/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-96.383103
Energy at 298.15K-96.390241
HF Energy-96.383103
Nuclear repulsion energy47.407943
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/aug-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 3066 2966 87.79      
2 A1 2911 2815 120.49      
3 A1 1387 1342 28.07      
4 A1 1325 1282 1075.86      
5 A1 922 892 87.27      
6 A2 285 276 0.00      
7 E 3170 3066 0.15      
7 E 3170 3066 0.15      
8 E 2785 2694 4906.14      
8 E 2785 2694 4904.98      
9 E 1478 1430 55.02      
9 E 1478 1430 55.12      
10 E 1455 1407 162.31      
10 E 1455 1407 162.11      
11 E 1233 1192 3.17      
11 E 1233 1192 3.15      
12 E 876 847 163.73      
12 E 876 847 164.15      

Unscaled Zero Point Vibrational Energy (zpe) 15944.9 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 15423.5 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/aug-cc-pVDZ
ABC
2.72903 0.66755 0.66755

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.801
N2 0.000 0.000 0.707
H3 0.000 -1.042 -1.134
H4 -0.903 0.521 -1.134
H5 0.903 0.521 -1.134
H6 0.000 0.978 1.087
H7 -0.847 -0.489 1.087
H8 0.847 -0.489 1.087

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50821.09401.09401.09402.12702.12702.1270
N21.50822.11542.11542.11541.04961.04961.0496
H31.09402.11541.80511.80513.00282.44102.4410
H41.09402.11541.80511.80512.44102.44103.0028
H51.09402.11541.80511.80512.44103.00282.4410
H62.12701.04963.00282.44102.44101.69441.6944
H72.12701.04962.44102.44103.00281.69441.6944
H82.12701.04962.44103.00282.44101.69441.6944

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 111.254 C1 N2 H7 111.254
C1 N2 H8 111.254 N2 C1 H3 107.707
N2 C1 H4 107.707 N2 C1 H5 107.707
H3 C1 H4 111.176 H3 C1 H5 111.176
H4 C1 H5 111.176 H6 N2 H7 107.631
H6 N2 H8 107.631 H7 N2 H8 107.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.051      
2 N -0.220      
3 H -0.157      
4 H -0.157      
5 H -0.157      
6 H -0.120      
7 H -0.120      
8 H -0.120      


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 -2.743 2.743
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 55.954 0.000 0.000
y 0.000 55.916 -0.044
z 0.000 -0.044 30.994


<r2> (average value of r2) Å2
<r2> 35.646
(<r2>)1/2 5.970