return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-133.286717
Energy at 298.15K-133.290513
HF Energy-133.286717
Nuclear repulsion energy63.535621
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 BLYP/6-311G**
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' 3059 3047 11.69      
2 A' 2959 2947 10.27      
3 A' 2836 2825 27.53      
4 A' 1662 1656 0.60      
5 A' 1438 1433 10.32      
6 A' 1343 1338 2.77      
7 A' 1205 1200 1.68      
8 A' 1004 1000 8.38      
9 A' 867 864 3.35      
10 A' 415 413 16.42      
11 A" 3014 3002 13.83      
12 A" 1445 1440 9.74      
13 A" 1029 1025 0.35      
14 A" 719 716 10.49      
15 A" 183 183 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 11588.9 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 11543.7 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 BLYP/6-311G**
ABC
1.88933 0.33972 0.30452

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 -0.838 -0.793 0.000
N3 1.252 0.530 0.000
H4 -0.570 1.440 0.000
H5 -0.191 -1.677 0.000
H6 -1.486 -0.813 0.889
H7 -1.486 -0.813 -0.889

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.52881.25291.11232.17072.16492.1649
C21.52882.47382.24941.09591.10031.1003
N31.25292.47382.03732.63643.17713.1771
H41.11232.24942.03733.14032.59032.5903
H52.17071.09592.63643.14031.79301.7930
H62.16491.10033.17712.59031.79301.7780
H72.16491.10033.17712.59031.79301.7780

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 110.507 C1 C2 H6 109.791
C1 C2 H7 109.791 C2 C1 N3 125.282
C2 C1 H4 115.895 N3 C1 H4 118.822
H5 C2 H6 109.456 H5 C2 H7 109.456
H6 C2 H7 107.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C -0.286      
3 N -0.186      
4 H 0.113      
5 H 0.129      
6 H 0.126      
7 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.721 -0.484 0.000 2.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.876 -1.294 0.000
y -1.294 -17.792 0.000
z 0.000 0.000 -19.018
Traceless
 xyz
x -3.471 -1.294 0.000
y -1.294 2.655 0.000
z 0.000 0.000 0.816
Polar
3z2-r21.632
x2-y2-4.084
xy-1.294
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.431 0.397 0.000
y 0.397 4.319 0.000
z 0.000 0.000 3.098


<r2> (average value of r2) Å2
<r2> 47.132
(<r2>)1/2 6.865