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

using model chemistry: CCD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at CCD/Def2TZVPP
 hartrees
Energy at 0K-96.168407
Energy at 298.15K-96.175573
HF Energy-95.722427
Nuclear repulsion energy47.659711
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 CCD/Def2TZVPP
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 3100 3100 53.74      
2 A1 2922 2922 3.17      
3 A1 1407 1407 29.28      
4 A1 1302 1302 293.25      
5 A1 962 962 44.22      
6 A2 302 302 0.00      
7 E 3199 3199 1.55      
7 E 3199 3199 1.55      
8 E 2666 2666 2629.68      
8 E 2666 2666 2629.69      
9 E 1519 1519 0.03      
9 E 1519 1519 0.03      
10 E 1447 1447 12.39      
10 E 1447 1447 12.39      
11 E 1244 1244 11.16      
11 E 1244 1244 11.16      
12 E 884 884 96.46      
12 E 884 884 96.46      

Unscaled Zero Point Vibrational Energy (zpe) 15956.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15956.0 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 CCD/Def2TZVPP
ABC
2.75369 0.67613 0.67613

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.794
N2 0.000 0.000 0.703
H3 0.000 -1.032 -1.130
H4 -0.894 0.516 -1.130
H5 0.894 0.516 -1.130
H6 0.000 0.980 1.079
H7 -0.849 -0.490 1.079
H8 0.849 -0.490 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49701.08531.08531.08532.11442.11442.1144
N21.49702.10372.10372.10371.04971.04971.0497
H31.08532.10371.78731.78732.98842.42842.4284
H41.08532.10371.78731.78732.42842.42842.9884
H51.08532.10371.78731.78732.42842.98842.4284
H62.11441.04972.98842.42842.42841.69701.6970
H72.11441.04972.42842.42842.98841.69701.6970
H82.11441.04972.42842.98842.42841.69701.6970

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 111.031 C1 N2 H7 111.031
C1 N2 H8 111.031 N2 C1 H3 108.044
N2 C1 H4 108.044 N2 C1 H5 108.044
H3 C1 H4 110.860 H3 C1 H5 110.860
H4 C1 H5 110.860 H6 N2 H7 107.868
H6 N2 H8 107.868 H7 N2 H8 107.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability