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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-132.516203
Energy at 298.15K-132.520075
HF Energy-132.516203
Nuclear repulsion energy63.623054
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 B3PW91/3-21G
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' 3169 3046 6.22      
2 A' 3061 2943 4.79      
3 A' 2994 2878 20.56      
4 A' 1673 1608 0.49      
5 A' 1528 1469 12.47      
6 A' 1431 1375 10.79      
7 A' 1281 1231 1.01      
8 A' 1064 1022 12.95      
9 A' 907 871 2.70      
10 A' 426 409 15.04      
11 A" 3126 3005 7.27      
12 A" 1543 1483 15.22      
13 A" 1097 1054 0.02      
14 A" 771 741 21.73      
15 A" 186 179 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 12127.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11656.8 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 B3PW91/3-21G
ABC
1.89651 0.34087 0.30563

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.483 0.000
C2 -0.845 -0.779 0.000
N3 1.260 0.515 0.000
H4 -0.570 1.424 0.000
H5 -0.205 -1.664 0.000
H6 -1.487 -0.795 0.889
H7 -1.487 -0.795 -0.889

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51931.26071.10082.15722.15302.1530
C21.51932.47192.22091.09271.09681.0968
N31.26072.47192.04392.62643.17133.1713
H41.10082.22092.04393.11052.56052.5605
H52.15721.09272.62643.11051.78681.7868
H62.15301.09683.17132.56051.78681.7780
H72.15301.09683.17132.56051.78681.7780

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 110.290 C1 C2 H6 109.717
C1 C2 H7 109.717 C2 C1 N3 125.283
C2 C1 H4 114.980 N3 C1 H4 119.736
H5 C2 H6 109.393 H5 C2 H7 109.393
H6 C2 H7 108.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.002      
2 C -0.675      
3 N -0.298      
4 H 0.242      
5 H 0.248      
6 H 0.242      
7 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.681 -0.439 0.000 2.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.383 -1.224 0.000
y -1.224 -17.222 0.000
z 0.000 0.000 -18.745
Traceless
 xyz
x -3.399 -1.224 0.000
y -1.224 2.842 0.000
z 0.000 0.000 0.557
Polar
3z2-r21.115
x2-y2-4.161
xy-1.224
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.566 0.296 0.000
y 0.296 3.469 0.000
z 0.000 0.000 2.381


<r2> (average value of r2) Å2
<r2> 46.685
(<r2>)1/2 6.833