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 CH3SSSCH3 (dimethyl trisulfide)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1272.630612
Energy at 298.15K-1272.636895
Nuclear repulsion energy367.540696
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 MP2/6-31G(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 3233 3054 0.76      
2 A 3217 3038 0.00      
3 A 3108 2935 2.10      
4 A 1505 1421 6.76      
5 A 1486 1403 7.40      
6 A 1364 1288 0.32      
7 A 994 938 0.20      
8 A 992 937 4.33      
9 A 738 697 0.16      
10 A 519 490 0.21      
11 A 276 260 0.14      
12 A 191 180 1.39      
13 A 160 151 1.37      
14 A 62 59 2.06      
15 B 3233 3053 0.89      
16 B 3216 3038 0.94      
17 B 3108 2935 14.56      
18 B 1503 1420 9.30      
19 B 1485 1403 7.97      
20 B 1366 1290 7.54      
21 B 994 939 2.25      
22 B 986 931 14.98      
23 B 736 695 1.32      
24 B 512 484 15.18      
25 B 280 264 0.73      
26 B 185 174 0.70      
27 B 96 91 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 17771.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 16784.7 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 MP2/6-31G(2df,p)
ABC
0.14737 0.04732 0.04728

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.094
S2 0.000 1.634 -0.146
S3 0.000 -1.634 -0.146
C4 1.731 1.673 -0.674
C5 -1.731 -1.673 -0.674
H6 1.832 2.520 -1.355
H7 -1.832 -2.520 -1.355
H8 2.389 1.807 0.183
H9 1.974 0.752 -1.203
H10 -2.389 -1.807 0.183
H11 -1.974 -0.752 -1.203

Atom - Atom Distances (Å)
  S1 S2 S3 C4 C5 H6 H7 H8 H9 H10 H11
S12.05142.05142.98722.98723.96283.96283.13073.12103.13073.1210
S22.05143.26851.81063.77012.36694.69842.41722.40704.20193.2724
S32.05143.26853.77011.81064.69842.36694.20193.27242.41722.4070
C42.98721.81063.77014.81491.09135.54411.08841.08945.46054.4596
C52.98723.77011.81064.81495.54411.09135.46054.45961.08841.0894
H63.96282.36694.69841.09135.54416.23051.78411.78016.23685.0210
H73.96284.69842.36695.54411.09136.23056.23685.02101.78411.7801
H83.13072.41724.20191.08845.46051.78416.23681.79075.99025.2441
H93.12102.40703.27241.08944.45961.78015.02101.79075.24414.2246
H103.13074.20192.41725.46051.08846.23681.78415.99025.24411.7907
H113.12103.27242.40704.45961.08945.02101.78015.24414.22461.7907

picture of dimethyl trisulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 C4 101.154 S1 S3 C5 101.154
S2 S1 S3 105.626 S2 C4 H6 106.660
S2 C4 H8 110.496 S2 C4 H9 109.679
S3 C5 H7 106.660 S3 C5 H10 110.496
S3 C5 H11 109.679 H6 C4 H8 109.870
H6 C4 H9 109.429 H7 C5 H10 109.870
H7 C5 H11 109.429 H8 C4 H9 110.623
H10 C5 H11 110.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability