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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-133.150118
Energy at 298.15K-133.153987
HF Energy-133.150118
Nuclear repulsion energy64.142996
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 PBE1PBE/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' 3182 3045 4.99      
2 A' 3065 2933 5.84      
3 A' 3007 2877 16.29      
4 A' 1766 1690 1.61      
5 A' 1468 1405 9.76      
6 A' 1378 1319 3.96      
7 A' 1244 1190 1.46      
8 A' 1061 1015 10.31      
9 A' 923 883 3.54      
10 A' 425 407 17.43      
11 A" 3141 3006 6.15      
12 A" 1474 1410 8.59      
13 A" 1065 1019 0.11      
14 A" 747 715 8.79      
15 A" 197 188 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 12070.9 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 11551.8 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 PBE1PBE/6-31G(2df,p)
ABC
1.90513 0.34866 0.31187

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.481 0.000
C2 -0.836 -0.770 0.000
N3 1.246 0.503 0.000
H4 -0.544 1.440 0.000
H5 -0.200 -1.657 0.000
H6 -1.482 -0.787 0.883
H7 -1.482 -0.787 -0.883

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.50491.24651.10242.14722.14142.1414
C21.50492.44072.22971.09091.09471.0947
N31.24652.44072.02032.59953.14493.1449
H41.10242.22972.02033.11602.57332.5733
H52.14721.09092.59953.11601.78351.7835
H62.14141.09473.14492.57331.78351.7665
H72.14141.09473.14492.57331.78351.7665

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 110.612 C1 C2 H6 109.923
C1 C2 H7 109.923 C2 C1 N3 124.755
C2 C1 H4 116.716 N3 C1 H4 118.529
H5 C2 H6 109.377 H5 C2 H7 109.377
H6 C2 H7 107.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.047      
2 C -0.492      
3 N -0.221      
4 H 0.151      
5 H 0.175      
6 H 0.170      
7 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.731 -0.439 0.000 2.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.213 -1.244 0.000
y -1.244 -17.152 0.000
z 0.000 0.000 -18.498
Traceless
 xyz
x -3.388 -1.244 0.000
y -1.244 2.704 0.000
z 0.000 0.000 0.684
Polar
3z2-r21.368
x2-y2-4.061
xy-1.244
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.996 0.356 0.000
y 0.356 3.964 0.000
z 0.000 0.000 2.977


<r2> (average value of r2) Å2
<r2> 45.973
(<r2>)1/2 6.780