return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3S (thiomethoxy)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-437.343277
Energy at 298.15K-437.346001
HF Energy-437.101339
Nuclear repulsion energy48.320467
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 CISD/6-31G*
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 3214 2976 2.57      
2 A 3199 2961 12.97      
3 A 3118 2887 11.21      
4 A 1550 1435 12.53      
5 A 1479 1370 10.21      
6 A 1438 1331 4.81      
7 A 941 871 1.65      
8 A 758 701 0.34      
9 A 591 547 55.21      

Unscaled Zero Point Vibrational Energy (zpe) 8143.7 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 7539.4 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 CISD/6-31G*
ABC
5.30833 0.44330 0.44271

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.110 0.000 -0.006
S2 -0.695 0.000 -0.002
H3 1.438 -0.001 1.037
H4 1.507 -0.894 -0.487
H5 1.507 0.895 -0.486

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5
C11.80481.09421.09001.0900
S21.80482.37232.42522.4252
H31.09422.37231.76861.7687
H41.09002.42521.76861.7891
H51.09002.42521.76871.7891

picture of thiomethoxy state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 H3 107.281 S2 C1 H4 111.405
S2 C1 H5 111.409 H3 C1 H4 108.140
H3 C1 H5 108.143 H4 C1 H5 110.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability