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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at G4
 hartrees
Energy at 0K-133.219147
Energy at 298.15K-133.214255
HF Energy-133.314127
Nuclear repulsion energy63.972453
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/6-31G(2df,p)
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' 3149 3039 7.59      
2 A' 3041 2935 7.61      
3 A' 2971 2867 18.83      
4 A' 1739 1679 1.28      
5 A' 1474 1422 8.05      
6 A' 1384 1336 1.65      
7 A' 1246 1203 1.62      
8 A' 1048 1012 9.76      
9 A' 909 877 2.95      
10 A' 426 411 17.29      
11 A" 3104 2996 9.61      
12 A" 1479 1428 7.08      
13 A" 1067 1030 0.14      
14 A" 747 721 7.27      
15 A" 194 188 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 11990.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 11570.5 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/6-31G(2df,p)
ABC
1.90439 0.34562 0.30943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.483 0.000
C2 -0.835 -0.779 0.000
N3 1.247 0.515 0.000
H4 -0.555 1.436 0.000
H5 -0.197 -1.664 0.000
H6 -1.482 -0.798 0.884
H7 -1.482 -0.798 -0.884

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51401.24741.10302.15612.14922.1492
C21.51402.45182.23331.09091.09501.0950
N31.24742.45182.02412.61373.15463.1546
H41.10302.23332.02413.12072.57542.5754
H52.15611.09092.61373.12071.78361.7836
H62.14921.09503.15462.57541.78361.7673
H72.14921.09503.15462.57541.78361.7673

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 110.497 C1 C2 H6 110.075
C1 C2 H7 110.075 C2 C1 N3 124.252
C2 C1 H4 117.222 N3 C1 H4 118.526
H5 C2 H6 109.257 H5 C2 H7 109.257
H6 C2 H7 107.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 C -0.420      
3 N -0.213      
4 H 0.125      
5 H 0.149      
6 H 0.145      
7 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.712 -0.462 0.000 2.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 46.279
(<r2>)1/2 6.803