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: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-133.359372
Energy at 298.15K-133.363239
HF Energy-133.359372
Nuclear repulsion energy64.187059
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 B3LYPultrafine/aug-cc-pVTZ
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' 3134 3032 7.05      
2 A' 3035 2937 8.15      
3 A' 2952 2856 15.88      
4 A' 1727 1671 2.73      
5 A' 1475 1427 11.40      
6 A' 1387 1342 3.11      
7 A' 1247 1206 2.06      
8 A' 1049 1015 9.84      
9 A' 906 876 3.25      
10 A' 433 419 18.36      
11 A" 3091 2991 8.07      
12 A" 1480 1432 8.91      
13 A" 1069 1035 0.88      
14 A" 747 723 10.13      
15 A" 187 181 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 11959.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 11570.6 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 B3LYPultrafine/aug-cc-pVTZ
ABC
1.91809 0.34774 0.31138

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.481 0.000
C2 -0.832 -0.779 0.000
N3 1.241 0.515 0.000
H4 -0.547 1.436 0.000
H5 -0.197 -1.661 0.000
H6 -1.476 -0.795 0.881
H7 -1.476 -0.795 -0.881

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51061.24181.10032.15152.14102.1410
C21.51062.44442.23361.08701.09101.0910
N31.24182.44442.01172.60843.14253.1425
H41.10032.23362.01173.11692.57262.5726
H52.15151.08702.60843.11691.77791.7779
H62.14101.09103.14252.57261.77791.7621
H72.14101.09103.14252.57261.77791.7621

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 110.787 C1 C2 H6 109.710
C1 C2 H7 109.710 C2 C1 N3 124.986
C2 C1 H4 116.754 N3 C1 H4 118.261
H5 C2 H6 109.433 H5 C2 H7 109.433
H6 C2 H7 107.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.031      
2 C -0.510      
3 N -0.517      
4 H 0.353      
5 H 0.220      
6 H 0.211      
7 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.916 -0.504 0.000 2.960
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.223 -1.339 0.000
y -1.339 -17.775 0.000
z 0.000 0.000 -19.122
Traceless
 xyz
x -3.775 -1.339 0.000
y -1.339 2.898 0.000
z 0.000 0.000 0.877
Polar
3z2-r21.754
x2-y2-4.449
xy-1.339
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.960 0.450 0.000
y 0.450 4.883 0.000
z 0.000 0.000 3.917


<r2> (average value of r2) Å2
<r2> 46.474
(<r2>)1/2 6.817