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

using model chemistry: MP3=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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-96.089021
Energy at 298.15K-96.096238
HF Energy-95.708039
Nuclear repulsion energy47.882877
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 MP3=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 3171 2954 38.21      
2 A1 3140 2925 23.18      
3 A1 1466 1366 51.81      
4 A1 1416 1319 438.84      
5 A1 999 930 50.03      
6 A2 311 290 0.00      
7 E 3280 3056 4.32      
7 E 3280 3056 4.32      
8 E 3119 2906 814.96      
8 E 3119 2906 814.96      
9 E 1575 1467 71.22      
9 E 1575 1467 71.22      
10 E 1542 1437 7.38      
10 E 1542 1437 7.38      
11 E 1287 1199 1.85      
11 E 1287 1199 1.85      
12 E 907 845 45.30      
12 E 907 845 45.30      

Unscaled Zero Point Vibrational Energy (zpe) 16960.8 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 15800.7 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 MP3=FULL/6-31+G**
ABC
2.80135 0.67953 0.67953

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.792
N2 0.000 0.000 0.700
H3 0.000 -1.029 -1.132
H4 -0.891 0.514 -1.132
H5 0.891 0.514 -1.132
H6 0.000 0.965 1.082
H7 -0.836 -0.483 1.082
H8 0.836 -0.483 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49211.08351.08351.08352.10752.10752.1075
N21.49212.10112.10112.10111.03791.03791.0379
H31.08352.10111.78201.78202.97922.42822.4282
H41.08352.10111.78201.78202.42822.42822.9792
H51.08352.10111.78201.78202.42822.97922.4282
H62.10751.03792.97922.42822.42821.67191.6719
H72.10751.03792.42822.42822.97921.67191.6719
H82.10751.03792.42822.97922.42821.67191.6719

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 111.560 C1 N2 H7 111.560
C1 N2 H8 111.560 N2 C1 H3 108.282
N2 C1 H4 108.282 N2 C1 H5 108.282
H3 C1 H4 110.634 H3 C1 H5 110.634
H4 C1 H5 110.634 H6 N2 H7 107.304
H6 N2 H8 107.304 H7 N2 H8 107.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability