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All results from a given calculation for CH3CH (methylmethylene)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 3A"
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-78.455948
Energy at 298.15K-78.458580
HF Energy-78.455948
Nuclear repulsion energy31.812887
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 wB97X-D/cc-pVDZ
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' 3255 3100 7.31      
2 A' 3110 2963 12.28      
3 A' 2998 2856 23.02      
4 A' 1473 1403 7.27      
5 A' 1403 1336 3.24      
6 A' 1121 1067 0.12      
7 A' 1082 1030 2.58      
8 A' 776 740 12.50      
9 A" 3055 2910 19.83      
10 A" 1466 1396 8.87      
11 A" 1000 952 1.78      
12 A" 212 201 40.15      

Unscaled Zero Point Vibrational Energy (zpe) 10474.1 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 9977.7 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 wB97X-D/cc-pVDZ
ABC
4.59455 0.81687 0.79795

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.858 0.000
C2 0.049 -0.616 0.000
H3 -0.749 1.595 0.000
H4 1.073 -1.007 0.000
H5 -0.458 -1.018 0.889
H6 -0.458 -1.018 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.47401.08662.12722.13712.1371
C21.47402.35071.09561.09961.0996
H31.08662.35073.17632.77542.7754
H42.12721.09563.17631.76991.7699
H52.13711.09962.77541.76991.7781
H62.13711.09962.77541.76991.7781

picture of methylmethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.899 C1 C2 H5 111.450
C1 C2 H6 111.450 C2 C1 H3 132.689
H4 C2 H5 107.469 H4 C2 H6 107.469
H5 C2 H6 107.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 C -0.543      
3 H 0.159      
4 H 0.183      
5 H 0.174      
6 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.648 -0.794 0.000 1.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.631 -1.348 0.000
y -1.348 -13.779 0.000
z 0.000 0.000 -14.519
Traceless
 xyz
x 0.518 -1.348 0.000
y -1.348 0.296 0.000
z 0.000 0.000 -0.814
Polar
3z2-r2-1.628
x2-y20.148
xy-1.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.012 -0.106 0.000
y -0.106 4.098 0.000
z 0.000 0.000 3.038


<r2> (average value of r2) Å2
<r2> 24.778
(<r2>)1/2 4.978