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All results from a given calculation for SiH3Cl (chlorosilane)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-746.904499
Energy at 298.15K 
HF Energy-746.669719
Nuclear repulsion energy86.663577
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 MP2=FULL/3-21G*
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 2370 2247 58.93 183.75 0.01 0.03
2 A1 1016 964 353.55 19.97 0.73 0.84
3 A1 581 550 68.32 9.76 0.32 0.48
4 E 2382 2258 118.77 57.73 0.75 0.86
4 E 2382 2258 118.77 57.73 0.75 0.86
5 E 997 945 79.57 24.17 0.75 0.86
5 E 997 945 79.57 24.17 0.75 0.86
6 E 701 664 39.55 12.73 0.75 0.86
6 E 701 664 39.55 12.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6063.5 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 5748.2 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 MP2=FULL/3-21G*
ABC
2.85709 0.22342 0.22342

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -0.981
Cl2 0.000 0.000 1.065
H3 0.000 1.397 -1.456
H4 1.210 -0.698 -1.456
H5 -1.210 -0.698 -1.456

Atom - Atom Distances (Å)
  Si1 Cl2 H3 H4 H5
Si12.04511.47571.47571.4757
Cl22.04512.88202.88202.8820
H31.47572.88202.41962.4196
H41.47572.88202.41962.4196
H51.47572.88202.41962.4196

picture of chlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Si1 H3 108.803 Cl2 Si1 H4 108.803
Cl2 Si1 H5 108.803 H3 Si1 H4 110.131
H3 Si1 H5 110.131 H4 Si1 H5 110.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability