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All results from a given calculation for CH3CH (methylmethylene)

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-78.455021
Energy at 298.15K-78.457605
HF Energy-78.455021
Nuclear repulsion energy31.851410
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/TZVP
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' 3161 3115 7.05      
2 A' 2984 2941 16.10      
3 A' 2880 2839 30.13      
4 A' 1424 1403 5.85      
5 A' 1362 1342 1.82      
6 A' 1096 1080 0.41      
7 A' 1040 1025 2.80      
8 A' 742 732 16.44      
9 A" 2916 2874 29.30      
10 A" 1421 1400 7.07      
11 A" 976 962 1.24      
12 A" 201 198 38.58      

Unscaled Zero Point Vibrational Energy (zpe) 10101.3 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 9955.8 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/TZVP
ABC
4.61109 0.82061 0.80268

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

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 -0.720 1.619 0.000
H4 1.073 -1.007 0.000
H5 -0.457 -1.030 0.891
H6 -0.457 -1.030 -0.891

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.45931.08592.12172.14092.1409
C21.45932.35641.10051.10631.1063
H31.08592.35643.17962.80752.8075
H42.12171.10053.17961.76991.7699
H52.14091.10632.80751.76991.7811
H62.14091.10632.80751.76991.7811

picture of methylmethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.187 C1 C2 H5 112.391
C1 C2 H6 112.391 C2 C1 H3 135.063
H4 C2 H5 106.649 H4 C2 H6 106.649
H5 C2 H6 107.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.243      
2 C -0.268      
3 H 0.139      
4 H 0.131      
5 H 0.120      
6 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.601 -0.788 0.000 0.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.631 -1.277 0.000
y -1.277 -13.723 0.000
z 0.000 0.000 -14.428
Traceless
 xyz
x 0.445 -1.277 0.000
y -1.277 0.306 0.000
z 0.000 0.000 -0.751
Polar
3z2-r2-1.502
x2-y20.092
xy-1.277
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.156 -0.154 0.000
y -0.154 4.444 0.000
z 0.000 0.000 3.076


<r2> (average value of r2) Å2
<r2> 24.720
(<r2>)1/2 4.972