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 CH3SH (Methanethiol)

using model chemistry: MP3=FULL/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/cc-pV(T+d)Z
 hartrees
Energy at 0K-438.270335
Energy at 298.15K-438.274241
HF Energy-437.758845
Nuclear repulsion energy56.632866
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 MP3=FULL/cc-pV(T+d)Z
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' 3197 3197 5.92      
2 A' 3126 3126 19.94      
3 A' 2760 2760 2.87      
4 A' 1525 1525 6.79      
5 A' 1389 1389 5.06      
6 A' 1122 1122 11.48      
7 A' 818 818 0.42      
8 A' 742 742 1.21      
9 A" 3202 3202 6.51      
10 A" 1511 1511 4.33      
11 A" 994 994 4.28      
12 A" 254 254 12.61      

Unscaled Zero Point Vibrational Energy (zpe) 10319.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10319.3 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 MP3=FULL/cc-pV(T+d)Z
ABC
3.49224 0.43517 0.41737

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 1.147 0.000
S2 -0.047 -0.662 0.000
H3 1.274 -0.820 0.000
H4 -1.087 1.450 0.000
H5 0.428 1.540 0.887
H6 0.428 1.540 -0.887

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.80972.37011.08231.08081.0808
S21.80971.33062.35382.42172.4217
H32.37011.33063.27492.65982.6598
H41.08232.35383.27491.75801.7580
H51.08082.42172.65981.75801.7749
H61.08082.42172.65981.75801.7749

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.821 S2 C1 H4 106.222
S2 C1 H5 111.314 S2 C1 H6 111.314
H4 C1 H5 108.726 H4 C1 H6 108.726
H5 C1 H6 110.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability