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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-133.134847
Energy at 298.15K-133.138644
HF Energy-133.134847
Nuclear repulsion energy63.641375
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 PBEPBE/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' 3099 3067 5.78      
2 A' 2982 2951 6.46      
3 A' 2883 2853 19.29      
4 A' 1691 1674 0.62      
5 A' 1422 1407 8.57      
6 A' 1325 1311 2.32      
7 A' 1195 1183 1.08      
8 A' 1011 1001 8.71      
9 A' 889 880 3.87      
10 A' 405 401 15.63      
11 A" 3054 3022 6.46      
12 A" 1428 1413 7.64      
13 A" 1020 1009 0.05      
14 A" 716 709 8.62      
15 A" 193 191 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 11655.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 11535.9 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 PBEPBE/6-31G(2df,p)
ABC
1.88880 0.34226 0.30655

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 -0.840 -0.780 0.000
N3 1.255 0.517 0.000
H4 -0.565 1.441 0.000
H5 -0.198 -1.672 0.000
H6 -1.492 -0.797 0.889
H7 -1.492 -0.797 -0.889

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51611.25581.11322.16282.15672.1567
C21.51612.46422.23811.09831.10271.1027
N31.25582.46422.04172.62733.17223.1722
H41.11322.23812.04173.13432.58002.5800
H52.16281.09832.62733.13431.79701.7970
H62.15671.10273.17222.58001.79701.7783
H72.15671.10273.17222.58001.79701.7783

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 110.620 C1 C2 H6 109.881
C1 C2 H7 109.881 C2 C1 N3 125.230
C2 C1 H4 115.839 N3 C1 H4 118.931
H5 C2 H6 109.459 H5 C2 H7 109.459
H6 C2 H7 107.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.075      
2 C -0.453      
3 N -0.226      
4 H 0.132      
5 H 0.160      
6 H 0.157      
7 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.698 -0.493 0.000 2.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.190 -1.221 0.000
y -1.221 -17.287 0.000
z 0.000 0.000 -18.521
Traceless
 xyz
x -3.287 -1.221 0.000
y -1.221 2.569 0.000
z 0.000 0.000 0.718
Polar
3z2-r21.436
x2-y2-3.904
xy-1.221
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.170 0.412 0.000
y 0.412 4.140 0.000
z 0.000 0.000 3.028


<r2> (average value of r2) Å2
<r2> 46.578
(<r2>)1/2 6.825