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

using model chemistry: B2PLYP=FULLultrafine/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-96.230398
Energy at 298.15K 
HF Energy-96.095131
Nuclear repulsion energy47.113059
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/6-31G(2df,p)
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 3093 3093 51.74      
2 A1 2530 2530 92.66      
3 A1 1326 1326 120.75      
4 A1 1133 1133 18.04      
5 A1 846 846 24.98      
6 A2 284 284 0.00      
7 E 3196 3196 11.94      
7 E 3196 3196 11.94      
8 E 1667 1667 2296.08      
8 E 1667 1667 2296.06      
9 E 1488 1488 80.13      
9 E 1488 1488 80.13      
10 E 1228 1228 4.24      
10 E 1228 1228 4.24      
11 E 865 865 5.44      
11 E 865 865 5.43      
12 E 458 458 2492.05      
12 E 458 458 2492.14      

Unscaled Zero Point Vibrational Energy (zpe) 13506.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13506.1 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/6-31G(2df,p)
ABC
2.60556 0.67177 0.67177

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

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 0.711
H3 0.000 -1.037 -1.123
H4 -0.898 0.519 -1.123
H5 0.898 0.519 -1.123
H6 0.000 1.031 1.055
H7 -0.893 -0.516 1.055
H8 0.893 -0.516 1.055

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50701.08781.08781.08782.11892.11892.1189
N21.50702.10712.10712.10711.08721.08721.0872
H31.08782.10711.79691.79693.00402.41122.4112
H41.08782.10711.79691.79692.41122.41123.0040
H51.08782.10711.79691.79692.41123.00402.4112
H62.11891.08723.00402.41122.41121.78631.7863
H72.11891.08722.41122.41123.00401.78631.7863
H82.11891.08722.41123.00402.41121.78631.7863

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 108.449 C1 N2 H7 108.449
C1 N2 H8 108.449 N2 C1 H3 107.498
N2 C1 H4 107.498 N2 C1 H5 107.498
H3 C1 H4 111.370 H3 C1 H5 111.370
H4 C1 H5 111.370 H6 N2 H7 110.474
H6 N2 H8 110.474 H7 N2 H8 110.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability