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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-22.888280
Energy at 298.15K-22.892148
HF Energy-22.888280
Nuclear repulsion energy34.899349
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 HF/CEP-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' 3328 3000 49.63      
2 A' 3284 2960 23.23      
3 A' 3219 2902 36.79      
4 A' 1630 1469 16.44      
5 A' 1559 1405 6.46      
6 A' 1525 1375 3.74      
7 A' 1302 1174 2.64      
8 A' 1177 1061 15.71      
9 A' 970 874 4.38      
10 A' 459 414 20.80      
11 A" 3293 2969 53.32      
12 A" 1619 1459 14.49      
13 A" 1145 1032 1.26      
14 A" 755 681 24.22      
15 A" 148 133 1.97      

Unscaled Zero Point Vibrational Energy (zpe) 12706.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 11453.1 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 HF/CEP-31G
ABC
1.81068 0.33418 0.29773

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.500 0.000
C2 -0.893 -0.739 0.000
N3 1.312 0.441 0.000
H4 -0.467 1.481 0.000
H5 -0.294 -1.647 0.000
H6 -1.533 -0.741 0.882
H7 -1.533 -0.741 -0.882

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.52691.31321.08672.16652.16072.1607
C21.52692.50022.26051.08721.09011.0901
N31.31322.50022.06092.63353.20463.2046
H41.08672.26052.06093.13242.61762.6176
H52.16651.08722.63353.13241.77031.7703
H62.16071.09013.20462.61761.77031.7636
H72.16071.09013.20462.61761.77031.7636

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 110.820 C1 C2 H6 110.189
C1 C2 H7 110.189 C2 C1 N3 123.187
C2 C1 H4 118.772 N3 C1 H4 118.042
H5 C2 H6 108.794 H5 C2 H7 108.794
H6 C2 H7 107.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.318      
2 C -0.280      
3 N 0.025      
4 H 0.192      
5 H 0.135      
6 H 0.123      
7 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.022 -0.198 0.000 3.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.075 -1.252 0.000
y -1.252 -17.350 0.000
z 0.000 0.000 -19.110
Traceless
 xyz
x -4.845 -1.252 0.000
y -1.252 3.742 0.000
z 0.000 0.000 1.103
Polar
3z2-r22.205
x2-y2-5.725
xy-1.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.609 0.258 0.000
y 0.258 3.370 0.000
z 0.000 0.000 2.678


<r2> (average value of r2) Å2
<r2> 40.907
(<r2>)1/2 6.396