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

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-131.989266
Energy at 298.15K-131.993192
HF Energy-131.731370
Nuclear repulsion energy63.666069
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 CISD/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' 3191 3004 8.19      
2 A' 3104 2922 5.41      
3 A' 3060 2880 22.91      
4 A' 1716 1615 0.40      
5 A' 1583 1490 9.27      
6 A' 1486 1399 6.42      
7 A' 1336 1258 1.52      
8 A' 1102 1038 12.83      
9 A' 907 853 1.73      
10 A' 451 425 17.81      
11 A" 3165 2979 10.62      
12 A" 1590 1497 11.38      
13 A" 1159 1091 0.89      
14 A" 809 762 15.78      
15 A" 184 173 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 12421.4 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 11692.2 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 CISD/3-21G
ABC
1.89084 0.34097 0.30556

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.489 0.000
C2 -0.843 -0.788 0.000
N3 1.253 0.521 0.000
H4 -0.567 1.427 0.000
H5 -0.190 -1.663 0.000
H6 -1.479 -0.810 0.889
H7 -1.479 -0.810 -0.889

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53031.25341.09582.16052.16072.1607
C21.53032.47112.23211.09131.09381.0938
N31.25342.47112.03302.61783.16713.1671
H41.09582.23212.03303.11272.57452.5745
H52.16051.09132.61783.11271.78321.7832
H62.16071.09383.16712.57451.78321.7780
H72.16071.09383.16712.57451.78321.7780

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 109.864 C1 C2 H6 109.729
C1 C2 H7 109.729 C2 C1 N3 124.872
C2 C1 H4 115.421 N3 C1 H4 119.707
H5 C2 H6 109.385 H5 C2 H7 109.385
H6 C2 H7 108.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability