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

using model chemistry: B2PLYP=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-96.287040
Energy at 298.15K-96.294184
HF Energy-96.156723
Nuclear repulsion energy47.443876
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 B2PLYP=FULL/TZVP
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 3091 2949 70.44      
2 A1 2836 2706 8.35      
3 A1 1389 1326 51.50      
4 A1 1302 1242 233.53      
5 A1 906 865 34.18      
6 A2 297 284 0.00      
7 E 3190 3044 4.21      
7 E 3190 3044 4.22      
8 E 2538 2422 2991.30      
8 E 2538 2422 2991.19      
9 E 1505 1436 0.82      
9 E 1505 1436 0.83      
10 E 1396 1332 3.07      
10 E 1396 1332 3.06      
11 E 1229 1173 36.44      
11 E 1229 1173 36.45      
12 E 884 844 73.54      
12 E 884 844 73.43      

Unscaled Zero Point Vibrational Energy (zpe) 15651.9 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 14935.0 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 B2PLYP=FULL/TZVP
ABC
2.72660 0.66990 0.66990

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.799
N2 0.000 0.000 0.707
H3 0.000 -1.033 -1.132
H4 -0.895 0.517 -1.132
H5 0.895 0.517 -1.132
H6 0.000 0.989 1.081
H7 -0.856 -0.494 1.081
H8 0.856 -0.494 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50621.08571.08571.08572.12422.12422.1242
N21.50622.10972.10972.10971.05691.05691.0569
H31.08572.10971.78971.78972.99782.43362.4336
H41.08572.10971.78971.78972.43362.43362.9978
H51.08572.10971.78971.78972.43362.99782.4336
H62.12421.05692.99782.43362.43361.71221.7122
H72.12421.05692.43362.43362.99781.71221.7122
H82.12421.05692.43362.99782.43361.71221.7122

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 110.724 C1 N2 H7 110.724
C1 N2 H8 110.724 N2 C1 H3 107.871
N2 C1 H4 107.871 N2 C1 H5 107.871
H3 C1 H4 111.023 H3 C1 H5 111.023
H4 C1 H5 111.023 H6 N2 H7 108.190
H6 N2 H8 108.190 H7 N2 H8 108.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability