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

using model chemistry: CCD/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 CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-96.172830
Energy at 298.15K-96.180037
HF Energy-95.736687
Nuclear repulsion energy47.863433
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 CCD/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 3100 2923 41.21      
2 A1 3087 2911 20.36      
3 A1 1438 1356 10.24      
4 A1 1380 1301 566.13      
5 A1 995 938 57.56      
6 A2 307 289 0.00      
7 E 3200 3018 5.14      
7 E 3200 3018 5.14      
8 E 3038 2865 1331.15      
8 E 3038 2865 1331.15      
9 E 1550 1462 99.60      
9 E 1550 1462 99.60      
10 E 1515 1429 6.38      
10 E 1515 1429 6.38      
11 E 1273 1201 2.27      
11 E 1273 1201 2.27      
12 E 898 847 95.28      
12 E 898 847 95.28      

Unscaled Zero Point Vibrational Energy (zpe) 16627.3 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 15681.2 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 CCD/6-311+G(3df,2p)
ABC
2.78849 0.68014 0.68014

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.791
N2 0.000 0.000 0.700
H3 0.000 -1.032 -1.131
H4 -0.893 0.516 -1.131
H5 0.893 0.516 -1.131
H6 0.000 0.967 1.079
H7 -0.838 -0.484 1.079
H8 0.838 -0.484 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49161.08601.08601.08602.10502.10502.1050
N21.49162.10182.10182.10181.03841.03841.0384
H31.08602.10181.78671.78672.97922.42542.4254
H41.08602.10181.78671.78672.42542.42542.9792
H51.08602.10181.78671.78672.42542.97922.4254
H62.10501.03842.97922.42542.42541.67521.6752
H72.10501.03842.42542.42542.97921.67521.6752
H82.10501.03842.42542.97922.42541.67521.6752

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 111.350 C1 N2 H7 111.350
C1 N2 H8 111.350 N2 C1 H3 108.225
N2 C1 H4 108.225 N2 C1 H5 108.225
H3 C1 H4 110.688 H3 C1 H5 110.688
H4 C1 H5 110.688 H6 N2 H7 107.528
H6 N2 H8 107.528 H7 N2 H8 107.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability