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

using model chemistry: B2PLYP=FULLultrafine/3-21G

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=FULLultrafine/3-21G
 hartrees
Energy at 0K-95.625308
Energy at 298.15K 
HF Energy-95.548314
Nuclear repulsion energy45.813373
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=FULLultrafine/3-21G
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 3112 3112 24.49      
2 A1 2266 2266 145.98      
3 A1 1322 1322 167.38      
4 A1 1066 1066 0.03      
5 A1 609 609 13.96      
6 A2 252 252 0.00      
7 E 3210 3210 15.71      
7 E 3210 3210 15.71      
8 E 1553 1553 0.02      
8 E 1553 1553 0.02      
9 E 1367 1367 696.96      
9 E 1367 1367 696.95      
10 E 1159 1159 7.95      
10 E 1159 1159 7.95      
11 E 834 834 10.06      
11 E 834 834 10.05      
12 E 1232i 1232i 4952.79      
12 E 1232i 1232i 4952.85      

Unscaled Zero Point Vibrational Energy (zpe) 11203.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11203.6 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=FULLultrafine/3-21G
ABC
2.49219 0.62836 0.62836

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.831
N2 0.000 0.000 0.740
H3 0.000 -1.041 -1.145
H4 -0.902 0.521 -1.145
H5 0.902 0.521 -1.145
H6 0.000 1.074 1.081
H7 -0.930 -0.537 1.081
H8 0.930 -0.537 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.57071.08761.08761.08762.19322.19322.1932
N21.57072.15322.15322.15321.12681.12681.1268
H31.08762.15321.80351.80353.07092.46502.4650
H41.08762.15321.80351.80352.46502.46503.0709
H51.08762.15321.80351.80352.46503.07092.4650
H62.19321.12683.07092.46502.46501.85981.8598
H72.19321.12682.46502.46503.07091.85981.8598
H82.19321.12682.46503.07092.46501.85981.8598

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 107.656 C1 N2 H7 107.656
C1 N2 H8 107.656 N2 C1 H3 106.780
N2 C1 H4 106.780 N2 C1 H5 106.780
H3 C1 H4 112.023 H3 C1 H5 112.023
H4 C1 H5 112.023 H6 N2 H7 111.224
H6 N2 H8 111.224 H7 N2 H8 111.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability