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

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

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/6-31G**
 hartrees
Energy at 0K-96.212770
Energy at 298.15K-96.219340
HF Energy-96.093793
Nuclear repulsion energy47.032612
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/6-31G**
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 47.36      
2 A1 2535 2535 88.55      
3 A1 1343 1343 113.32      
4 A1 1137 1137 18.21      
5 A1 829 829 22.74      
6 A2 285 285 0.00      
7 E 3216 3216 14.05      
7 E 3216 3216 14.05      
8 E 1661 1661 2370.84      
8 E 1661 1661 2370.82      
9 E 1509 1509 92.43      
9 E 1509 1509 92.47      
10 E 1231 1231 2.18      
10 E 1231 1231 2.18      
11 E 865 865 3.63      
11 E 865 865 3.63      
12 E 506 506 2599.79      
12 E 505 505 2600.69      

Unscaled Zero Point Vibrational Energy (zpe) 13607.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13607.0 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/6-31G**
ABC
2.60974 0.66792 0.66792

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.798
N2 0.000 0.000 0.712
H3 0.000 -1.036 -1.128
H4 -0.897 0.518 -1.128
H5 0.897 0.518 -1.128
H6 0.000 1.031 1.062
H7 -0.893 -0.516 1.062
H8 0.893 -0.516 1.062

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51071.08701.08701.08702.12702.12702.1270
N21.51072.11182.11182.11181.08891.08891.0889
H31.08702.11181.79411.79413.01142.42152.4215
H41.08702.11181.79411.79412.42152.42153.0114
H51.08702.11181.79411.79412.42153.01142.4215
H62.12701.08893.01142.42152.42151.78621.7862
H72.12701.08892.42152.42153.01141.78621.7862
H82.12701.08892.42153.01142.42151.78621.7862

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 108.727 C1 N2 H7 108.727
C1 N2 H8 108.727 N2 C1 H3 107.650
N2 C1 H4 107.650 N2 C1 H5 107.650
H3 C1 H4 111.230 H3 C1 H5 111.230
H4 C1 H5 111.230 H6 N2 H7 110.205
H6 N2 H8 110.205 H7 N2 H8 110.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability