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All results from a given calculation for CH3CH (methylmethylene)

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 3A"
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-78.511077
Energy at 298.15K-78.513664
HF Energy-78.511077
Nuclear repulsion energy31.945360
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/Def2TZVPP
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' 3213 3093 5.08      
2 A' 3047 2933 10.95      
3 A' 2946 2836 22.62      
4 A' 1451 1397 6.11      
5 A' 1389 1337 1.89      
6 A' 1104 1063 0.11      
7 A' 1070 1030 1.83      
8 A' 761 732 11.34      
9 A" 2980 2869 20.03      
10 A" 1451 1396 6.64      
11 A" 995 958 1.10      
12 A" 192 184 32.26      

Unscaled Zero Point Vibrational Energy (zpe) 10298.7 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 9913.5 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/Def2TZVPP
ABC
4.65069 0.82362 0.80531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.854 0.000
C2 0.049 -0.614 0.000
H3 -0.741 1.594 0.000
H4 1.069 -1.006 0.000
H5 -0.457 -1.016 0.886
H6 -0.457 -1.016 -0.886

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.46781.08182.12102.13022.1302
C21.46782.34441.09241.09691.0969
H31.08182.34443.16702.77042.7704
H42.12101.09243.16701.76441.7644
H52.13021.09692.77041.76441.7728
H62.13021.09692.77041.76441.7728

picture of methylmethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.025 C1 C2 H5 111.494
C1 C2 H6 111.494 C2 C1 H3 133.138
H4 C2 H5 107.402 H4 C2 H6 107.402
H5 C2 H6 107.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 C -0.192      
3 H 0.129      
4 H 0.096      
5 H 0.094      
6 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.559 -0.751 0.000 0.936
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.740 -1.215 0.000
y -1.215 -13.887 0.000
z 0.000 0.000 -14.533
Traceless
 xyz
x 0.469 -1.215 0.000
y -1.215 0.250 0.000
z 0.000 0.000 -0.719
Polar
3z2-r2-1.438
x2-y20.146
xy-1.215
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.326 -0.136 0.000
y -0.136 4.509 0.000
z 0.000 0.000 3.268


<r2> (average value of r2) Å2
<r2> 24.709
(<r2>)1/2 4.971