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All results from a given calculation for CH2SiH2 (silaethylene)

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-329.941827
Energy at 298.15K-329.945007
HF Energy-329.941827
Nuclear repulsion energy51.139466
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/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3100 3053 1.07      
2 A1 2201 2167 34.36      
3 A1 1365 1344 6.55      
4 A1 964 949 23.73      
5 A1 908 894 24.15      
6 A2 710 699 0.00      
7 B1 745 733 41.15      
8 B1 416 410 14.71      
9 B2 3188 3139 0.40      
10 B2 2225 2191 85.15      
11 B2 813 800 52.60      
12 B2 466 459 7.98      

Unscaled Zero Point Vibrational Energy (zpe) 8549.3 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 8418.5 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 B97D3/aug-cc-pVTZ
ABC
3.47781 0.48810 0.42803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.162
Si2 0.000 0.000 0.553
H3 0.000 0.919 -1.740
H4 0.000 -0.919 -1.740
H5 0.000 1.249 1.352
H6 0.000 -1.249 1.352

Atom - Atom Distances (Å)
  C1 Si2 H3 H4 H5 H6
C11.71521.08581.08582.80692.8069
Si21.71522.47062.47061.48251.4825
H31.08582.47061.83813.10943.7762
H41.08582.47061.83813.77623.1094
H52.80691.48253.10943.77622.4981
H62.80691.48253.77623.10942.4981

picture of silaethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 Si2 H5 122.590 C1 Si2 H6 122.590
Si2 C1 H3 122.173 Si2 C1 H4 122.173
H3 C1 H4 115.653 H5 Si2 H6 114.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.823      
2 Si 0.575      
3 H 0.263      
4 H 0.263      
5 H -0.139      
6 H -0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.662 0.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.066 0.000 0.000
y 0.000 -20.740 0.000
z 0.000 0.000 -20.472
Traceless
 xyz
x -2.460 0.000 0.000
y 0.000 1.030 0.000
z 0.000 0.000 1.431
Polar
3z2-r22.861
x2-y2-2.326
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.516 0.000 0.000
y 0.000 6.325 0.000
z 0.000 0.000 9.289


<r2> (average value of r2) Å2
<r2> 40.288
(<r2>)1/2 6.347