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-133.280965
Energy at 298.15K-133.284756
HF Energy-133.280965
Nuclear repulsion energy63.522682
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 3052 14.69      
2 A' 2961 2954 12.15      
3 A' 2836 2829 32.27      
4 A' 1665 1661 0.52      
5 A' 1454 1451 11.04      
6 A' 1356 1352 3.37      
7 A' 1216 1213 1.48      
8 A' 1013 1010 8.14      
9 A' 870 868 3.02      
10 A' 416 415 16.22      
11 A" 3014 3007 16.99      
12 A" 1460 1456 10.41      
13 A" 1035 1033 0.26      
14 A" 716 715 10.90      
15 A" 181 181 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 11626.7 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 11597.6 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
1.89288 0.33933 0.30427

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 0.532 0.000
H4 -0.571 1.440 0.000
H5 -0.192 -1.679 0.000
H6 -1.487 -0.818 0.888
H7 -1.487 -0.818 -0.888

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.52831.25281.11332.17262.16722.1672
C21.52832.47472.24951.09621.10071.1007
N31.25282.47472.03702.64103.18003.1800
H41.11332.24952.03703.14252.59322.5932
H52.17261.09622.64103.14251.79131.7913
H62.16721.10073.18002.59321.79131.7770
H72.16721.10073.18002.59321.79131.7770

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 110.667 C1 C2 H6 109.975
C1 C2 H7 109.975 C2 C1 N3 125.403
C2 C1 H4 115.874 N3 C1 H4 118.723
H5 C2 H6 109.255 H5 C2 H7 109.255
H6 C2 H7 107.654
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 -0.050      
2 C -0.620      
3 N -0.184      
4 H 0.191      
5 H 0.225      
6 H 0.219      
7 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.713 -0.480 0.000 2.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.901 -1.336 0.000
y -1.336 -17.833 0.000
z 0.000 0.000 -19.068
Traceless
 xyz
x -3.451 -1.336 0.000
y -1.336 2.651 0.000
z 0.000 0.000 0.799
Polar
3z2-r21.599
x2-y2-4.068
xy-1.336
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.388 0.394 0.000
y 0.394 4.264 0.000
z 0.000 0.000 3.044


<r2> (average value of r2) Å2
<r2> 47.190
(<r2>)1/2 6.869