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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-438.116853
Energy at 298.15K-438.120746
HF Energy-437.717363
Nuclear repulsion energy56.437343
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 CCSD=FULL/6-31G(2df,p)
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' 3216 3028 4.42      
2 A' 3121 2939 17.56      
3 A' 2760 2599 3.29      
4 A' 1534 1444 6.41      
5 A' 1402 1320 7.07      
6 A' 1127 1061 14.00      
7 A' 818 771 0.63      
8 A' 748 705 1.84      
9 A" 3217 3029 5.27      
10 A" 1523 1434 3.89      
11 A" 1001 942 4.63      
12 A" 245 231 14.34      

Unscaled Zero Point Vibrational Energy (zpe) 10355.8 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 9751.0 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 CCSD=FULL/6-31G(2df,p)
ABC
3.46221 0.43269 0.41491

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.150 0.000
S2 -0.048 -0.664 0.000
H3 1.281 -0.818 0.000
H4 -1.092 1.454 0.000
H5 0.432 1.546 0.891
H6 0.432 1.546 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81372.37371.08771.08711.0871
S21.81371.33732.36172.43122.4312
H32.37371.33733.28492.66532.6653
H41.08772.36173.28491.76751.7675
H51.08712.43122.66531.76751.7829
H61.08712.43122.66531.76751.7829

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.590 S2 C1 H4 106.268
S2 C1 H5 111.407 S2 C1 H6 111.407
H4 C1 H5 108.724 H4 C1 H6 108.724
H5 C1 H6 110.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability