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

using model chemistry: CCSD=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at CCSD=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-96.222021
Energy at 298.15K-96.229229
HF Energy-95.736841
Nuclear repulsion energy47.925717
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 CCSD=FULL/6-311+G(3df,2p)
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 3106 3106 38.81      
2 A1 3097 3097 21.82      
3 A1 1438 1438 9.85      
4 A1 1379 1379 610.16      
5 A1 989 989 55.40      
6 A2 309 309 0.00      
7 E 3203 3203 12.09      
7 E 3203 3203 12.09      
8 E 3048 3048 1320.65      
8 E 3048 3048 1320.65      
9 E 1550 1550 143.81      
9 E 1550 1550 143.81      
10 E 1516 1516 6.71      
10 E 1516 1516 6.71      
11 E 1273 1273 3.53      
11 E 1273 1273 3.53      
12 E 897 897 108.83      
12 E 897 897 108.83      

Unscaled Zero Point Vibrational Energy (zpe) 16644.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16644.2 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 CCSD=FULL/6-311+G(3df,2p)
ABC
2.79575 0.68207 0.68207

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.790
N2 0.000 0.000 0.699
H3 0.000 -1.030 -1.130
H4 -0.892 0.515 -1.130
H5 0.892 0.515 -1.130
H6 0.000 0.966 1.078
H7 -0.836 -0.483 1.078
H8 0.836 -0.483 1.078

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48901.08481.08481.08482.10262.10262.1026
N21.48902.09902.09902.09901.03741.03741.0374
H31.08482.09901.78451.78452.97602.42312.4231
H41.08482.09901.78451.78452.42312.42312.9760
H51.08482.09901.78451.78452.42312.97602.4231
H62.10261.03742.97602.42312.42311.67281.6728
H72.10261.03742.42312.42312.97601.67281.6729
H82.10261.03742.42312.97602.42311.67281.6729

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 111.405 C1 N2 H7 111.405
C1 N2 H8 111.405 N2 C1 H3 108.246
N2 C1 H4 108.246 N2 C1 H5 108.246
H3 C1 H4 110.668 H3 C1 H5 110.668
H4 C1 H5 110.668 H6 N2 H7 107.470
H6 N2 H8 107.470 H7 N2 H8 107.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability