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

using model chemistry: QCISD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-132.949420
Energy at 298.15K-132.953283
HF Energy-132.492891
Nuclear repulsion energy63.409516
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/aug-cc-pVDZ
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' 3155 3057 9.50      
2 A' 3049 2954 9.10      
3 A' 3028 2933 17.35      
4 A' 1711 1657 1.40      
5 A' 1469 1423 8.35      
6 A' 1385 1341 1.92      
7 A' 1247 1208 2.34      
8 A' 1067 1033 9.41      
9 A' 921 892 1.77      
10 A' 430 416 18.43      
11 A" 3126 3028 11.55      
12 A" 1471 1425 7.03      
13 A" 1061 1027 1.77      
14 A" 735 712 9.51      
15 A" 187 181 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 12019.7 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 11643.5 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/aug-cc-pVDZ
ABC
1.84645 0.34180 0.30521

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.490 0.000
C2 -0.854 -0.769 0.000
N3 1.267 0.490 0.000
H4 -0.523 1.468 0.000
H5 -0.216 -1.666 0.000
H6 -1.502 -0.779 0.893
H7 -1.502 -0.779 -0.893

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.52181.26691.10882.16662.15972.1597
C21.52182.46662.26121.10071.10341.1034
N31.26692.46662.04002.61613.17393.1739
H41.10882.26122.04003.14852.60832.6083
H52.16661.10072.61613.14851.79951.7995
H62.15971.10343.17392.60831.79951.7867
H72.15971.10343.17392.60831.79951.7867

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 110.390 C1 C2 H6 109.687
C1 C2 H7 109.687 C2 C1 N3 124.131
C2 C1 H4 117.683 N3 C1 H4 118.186
H5 C2 H6 109.459 H5 C2 H7 109.459
H6 C2 H7 108.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability