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All results from a given calculation for CH3CH (methylmethylene)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 3A"
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-78.424245
Energy at 298.15K-78.426830
HF Energy-78.424245
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3172 3110 12.89      
2 A' 3003 2944 19.81      
3 A' 2895 2838 31.84      
4 A' 1457 1429 4.85      
5 A' 1389 1361 0.79      
6 A' 1106 1085 0.85      
7 A' 1062 1041 3.59      
8 A' 756 741 15.92      
9 A" 2936 2878 36.93      
10 A" 1456 1427 4.80      
11 A" 991 972 1.80      
12 A" 199 196 32.62      

Unscaled Zero Point Vibrational Energy (zpe) 10210.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 10010.8 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 B97D3/6-31G*
ABC
4.55655 0.81421 0.79548

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.856 0.000
C2 0.048 -0.611 0.000
H3 -0.738 1.611 0.000
H4 1.078 -1.009 0.000
H5 -0.457 -1.035 0.893
H6 -0.457 -1.035 -0.893

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.46761.08962.13062.15132.1513
C21.46762.35751.10381.10951.1095
H31.08962.35753.18772.80692.8069
H42.13061.10383.18771.77551.7755
H52.15131.10952.80691.77551.7853
H62.15131.10952.80691.77551.7853

picture of methylmethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.047 C1 C2 H5 111.748
C1 C2 H6 111.748 C2 C1 H3 132.773
H4 C2 H5 107.191 H4 C2 H6 107.191
H5 C2 H6 107.671
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.187      
2 C -0.480      
3 H 0.156      
4 H 0.177      
5 H 0.167      
6 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.542 -0.675 0.000 0.866
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.240 -1.142 0.000
y -1.142 -13.226 0.000
z 0.000 0.000 -13.973
Traceless
 xyz
x 0.360 -1.142 0.000
y -1.142 0.380 0.000
z 0.000 0.000 -0.740
Polar
3z2-r2-1.479
x2-y2-0.013
xy-1.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.655 -0.275 0.000
y -0.275 3.814 0.000
z 0.000 0.000 2.391


<r2> (average value of r2) Å2
<r2> 24.561
(<r2>)1/2 4.956