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

using model chemistry: B2PLYP=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-96.261086
Energy at 298.15K-96.268256
HF Energy-96.144538
Nuclear repulsion energy47.653289
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/6-31+G**
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 3115 2962 49.10      
2 A1 3009 2861 11.96      
3 A1 1421 1351 52.81      
4 A1 1357 1291 438.80      
5 A1 943 897 49.96      
6 A2 299 285 0.00      
7 E 3220 3062 1.40      
7 E 3220 3062 1.40      
8 E 2953 2808 959.66      
8 E 2953 2808 961.26      
9 E 1523 1448 59.96      
9 E 1523 1448 59.86      
10 E 1510 1436 1.14      
10 E 1510 1436 1.16      
11 E 1254 1193 0.62      
11 E 1254 1193 0.62      
12 E 891 847 42.56      
12 E 891 847 42.68      

Unscaled Zero Point Vibrational Energy (zpe) 16422.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 15617.6 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/6-31+G**
ABC
2.76627 0.67402 0.67402

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.796
N2 0.000 0.000 0.703
H3 0.000 -1.033 -1.134
H4 -0.895 0.517 -1.134
H5 0.895 0.517 -1.134
H6 0.000 0.974 1.084
H7 -0.843 -0.487 1.084
H8 0.843 -0.487 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49901.08721.08721.08722.11672.11672.1167
N21.49902.10802.10802.10801.04541.04541.0454
H31.08722.10801.78951.78952.99102.43482.4348
H41.08722.10801.78951.78952.43482.43482.9910
H51.08722.10801.78951.78952.43482.99102.4348
H62.11671.04542.99102.43482.43481.68661.6866
H72.11671.04542.43482.43482.99101.68661.6866
H82.11671.04542.43482.99102.43481.68661.6866

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 111.339 C1 N2 H7 111.339
C1 N2 H8 111.339 N2 C1 H3 108.136
N2 C1 H4 108.136 N2 C1 H5 108.136
H3 C1 H4 110.773 H3 C1 H5 110.773
H4 C1 H5 110.773 H6 N2 H7 107.541
H6 N2 H8 107.541 H7 N2 H8 107.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability