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

using model chemistry: B3LYP/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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-23.543032
Energy at 298.15K-23.546818
HF Energy-23.543032
Nuclear repulsion energy34.998625
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3157 3049 20.37      
2 A' 3054 2949 14.05      
3 A' 2996 2894 28.72      
4 A' 1707 1648 3.01      
5 A' 1473 1423 11.61      
6 A' 1383 1335 3.55      
7 A' 1229 1186 1.24      
8 A' 1045 1010 12.53      
9 A' 901 870 3.46      
10 A' 411 397 17.11      
11 A" 3117 3010 25.33      
12 A" 1479 1428 12.65      
13 A" 1052 1016 1.22      
14 A" 729 704 18.05      
15 A" 173 167 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 11952.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 11542.4 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 B3LYP/CEP-31G*
ABC
1.84693 0.33564 0.30032

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.492 0.000
C2 -0.856 -0.785 0.000
N3 1.271 0.510 0.000
H4 -0.541 1.462 0.000
H5 -0.212 -1.678 0.000
H6 -1.505 -0.798 0.894
H7 -1.505 -0.798 -0.894

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53751.27131.11102.18052.17412.1741
C21.53752.49032.26931.10081.10441.1044
N31.27132.49032.04762.64333.19593.1959
H41.11102.26932.04763.15762.61442.6144
H52.18051.10082.64333.15761.80101.8010
H62.17411.10443.19592.61441.80101.7877
H72.17411.10443.19592.61441.80101.7877

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 110.384 C1 C2 H6 109.663
C1 C2 H7 109.663 C2 C1 N3 124.625
C2 C1 H4 117.008 N3 C1 H4 118.367
H5 C2 H6 109.516 H5 C2 H7 109.516
H6 C2 H7 108.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.450      
2 C -0.375      
3 N 0.099      
4 H 0.223      
5 H 0.180      
6 H 0.161      
7 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.963 -0.450 0.000 2.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.604 -1.497 0.000
y -1.497 -17.101 0.000
z 0.000 0.000 -18.705
Traceless
 xyz
x -3.701 -1.497 0.000
y -1.497 3.053 0.000
z 0.000 0.000 0.648
Polar
3z2-r21.295
x2-y2-4.503
xy-1.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.066 0.495 0.000
y 0.495 3.754 0.000
z 0.000 0.000 2.845


<r2> (average value of r2) Å2
<r2> 40.387
(<r2>)1/2 6.355