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

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-132.711787
Energy at 298.15K-132.715646
HF Energy-132.418615
Nuclear repulsion energy62.956147
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 QCISD/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 A' 3114 3000 13.66      
2 A' 3021 2911 7.57      
3 A' 3005 2896 26.85      
4 A' 1640 1580 0.81      
5 A' 1535 1479 8.21      
6 A' 1457 1404 4.65      
7 A' 1301 1254 1.40      
8 A' 1090 1051 11.24      
9 A' 930 896 1.18      
10 A' 446 430 17.79      
11 A" 3093 2981 16.91      
12 A" 1534 1478 10.05      
13 A" 1111 1070 0.97      
14 A" 765 737 13.56      
15 A" 162 156 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 12101.8 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 11661.3 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 QCISD/6-31G
ABC
1.83705 0.33547 0.29992

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.493 0.000
C2 -0.868 -0.767 0.000
N3 1.286 0.487 0.000
H4 -0.531 1.461 0.000
H5 -0.232 -1.665 0.000
H6 -1.513 -0.783 0.894
H7 -1.513 -0.783 -0.894

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.52961.28561.10452.16992.17172.1717
C21.52962.49232.25351.10041.10221.1022
N31.28562.49232.06082.63363.20093.2009
H41.10452.25352.06083.14032.60812.6081
H52.16991.10042.63363.14031.79351.7935
H62.17171.10223.20092.60811.79351.7874
H72.17171.10223.20092.60811.79351.7874

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 110.111 C1 C2 H6 110.145
C1 C2 H7 110.145 C2 C1 N3 124.349
C2 C1 H4 116.705 N3 C1 H4 118.945
H5 C2 H6 109.024 H5 C2 H7 109.024
H6 C2 H7 108.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability