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All results from a given calculation for CH3CH (methylmethylene)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 3A"
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-78.454032
Energy at 298.15K-78.456599
HF Energy-78.454032
Nuclear repulsion energy31.880685
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 B97D3/6-311+G(3df,2p)
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' 3155 3114 6.61      
2 A' 2978 2939 13.20      
3 A' 2875 2838 30.42      
4 A' 1419 1400 6.10      
5 A' 1355 1338 1.73      
6 A' 1097 1083 0.33      
7 A' 1037 1024 1.97      
8 A' 740 730 12.99      
9 A" 2910 2872 23.97      
10 A" 1417 1399 6.47      
11 A" 970 958 0.93      
12 A" 192 189 31.19      

Unscaled Zero Point Vibrational Energy (zpe) 10072.3 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 9941.4 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 B97D3/6-311+G(3df,2p)
ABC
4.62626 0.82176 0.80391

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 0.850 0.000
C2 0.047 -0.609 0.000
H3 -0.717 1.620 0.000
H4 1.071 -1.008 0.000
H5 -0.457 -1.029 0.889
H6 -0.457 -1.029 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.45811.08492.12142.13822.1382
C21.45812.35581.09921.10501.1050
H31.08492.35583.17872.80592.8059
H42.12141.09923.17871.76791.7679
H52.13821.10502.80591.76791.7787
H62.13821.10502.80591.76791.7787

picture of methylmethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.185 C1 C2 H5 111.533
C1 C2 H6 111.533 C2 C1 H3 133.387
H4 C2 H5 107.280 H4 C2 H6 107.280
H5 C2 H6 107.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 C -0.160      
3 H 0.168      
4 H 0.130      
5 H 0.130      
6 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.539 -0.762 0.000 0.934
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.728 -1.210 0.000
y -1.210 -13.788 0.000
z 0.000 0.000 -14.521
Traceless
 xyz
x 0.426 -1.210 0.000
y -1.210 0.337 0.000
z 0.000 0.000 -0.763
Polar
3z2-r2-1.526
x2-y20.059
xy-1.210
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.672 -0.061 0.000
y -0.061 4.912 0.000
z 0.000 0.000 3.770


<r2> (average value of r2) Å2
<r2> 24.748
(<r2>)1/2 4.975