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All results from a given calculation for CH3CHN (methylmethaniminyl radical)

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-132.015741
Energy at 298.15K-132.019697
HF Energy-131.730175
Nuclear repulsion energy63.661337
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 MP4/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3138 3044        
2 A' 3046 2954        
3 A' 2985 2895        
4 A' 1835 1780        
5 A' 1562 1515        
6 A' 1452 1408        
7 A' 1317 1277        
8 A' 1077 1045        
9 A' 885 858        
10 A' 446 433        
11 A" 3114 3020        
12 A" 1567 1520        
13 A" 1167 1131        
14 A" 816 792        
15 A" 212 206        

Unscaled Zero Point Vibrational Energy (zpe) 12309.6 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 11937.9 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 MP4/3-21G
ABC
1.89469 0.34004 0.30512

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.490 0.000
C2 -0.832 -0.805 0.000
N3 1.241 0.544 0.000
H4 -0.593 1.419 0.000
H5 -0.161 -1.672 0.000
H6 -1.470 -0.833 0.894
H7 -1.470 -0.833 -0.894

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53941.24201.10272.16792.16992.1699
C21.53942.47342.23741.09611.09861.0986
N31.24202.47342.03232.62233.16893.1689
H41.10272.23742.03233.12142.57662.5766
H52.16791.09612.62233.12141.79361.7936
H62.16991.09863.16892.57661.79361.7885
H72.16991.09863.16892.57661.79361.7885

picture of methylmethaniminyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 109.534 C1 C2 H6 109.550
C1 C2 H7 109.550 C2 C1 N3 125.224
C2 C1 H4 114.724 N3 C1 H4 120.051
H5 C2 H6 109.609 H5 C2 H7 109.609
H6 C2 H7 108.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability