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 C3H4S3 (1,3-Dithiolane-2-thione)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-1302.921666
Energy at 298.15K-1302.926922
HF Energy-1302.277181
Nuclear repulsion energy421.378836
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 MP2/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3184 3029 3.00      
2 A 3169 3014 0.39      
3 A 3116 2964 7.58      
4 A 3113 2961 3.91      
5 A 1562 1486 0.31      
6 A 1558 1482 10.95      
7 A 1388 1321 18.46      
8 A 1359 1293 5.60      
9 A 1220 1161 1.63      
10 A 1201 1143 1.02      
11 A 1137 1082 201.61      
12 A 1016 967 7.43      
13 A 973 926 2.02      
14 A 914 869 4.26      
15 A 822 782 88.13      
16 A 697 663 0.74      
17 A 682 649 4.24      
18 A 500 475 2.63      
19 A 490 466 15.12      
20 A 470 447 1.12      
21 A 401 381 0.22      
22 A 267 254 0.16      
23 A 236 225 1.96      
24 A 102 97 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 14788.1 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 14067.9 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 MP2/3-21G*
ABC
0.10285 0.05684 0.03774

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.691 -1.321 0.102
H2 -2.691 1.321 -0.102
S3 2.315 -0.000 0.000
C4 0.678 -0.000 -0.000
S5 -0.283 1.484 -0.089
S6 -0.283 -1.484 0.089
H7 -1.999 0.638 1.403
C8 -1.889 0.705 0.317
H9 -1.999 -0.638 -1.403
C10 -1.889 -0.705 -0.317

Atom - Atom Distances (Å)
  H1 H2 S3 C4 S5 S6 H7 C8 H9 C10
H12.65055.17823.61953.70122.41292.45212.18981.79131.0940
H22.65055.17823.61952.41293.70121.79131.09402.45212.1898
S35.17825.17821.63762.99332.99334.58094.27514.58104.2751
C43.61953.61951.63761.76961.76963.08842.68093.08832.6809
S53.70122.41292.99331.76962.97232.42521.83043.02872.7245
S62.41293.70122.99331.76962.97233.02872.72452.42521.8304
H72.45211.79134.58093.08842.42523.02871.09333.08272.1854
C82.18981.09404.27512.68091.83042.72451.09332.18541.5466
H91.79132.45214.58103.08833.02872.42523.08272.18541.0933
C101.09402.18984.27512.68092.72451.83042.18541.54661.0933

picture of 1,3-Dithiolane-2-thione state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C10 S6 108.563 H1 C10 C8 110.888
H1 C10 H9 109.963 H2 C8 S5 108.562
H2 C8 H7 109.962 H2 C8 C10 110.887
S3 C4 S5 122.878 S3 C4 S6 122.880
C4 S5 C8 96.248 C4 S6 C10 96.248
S5 C4 S6 114.241 S5 C8 H7 109.505
S5 C8 C10 107.269 S6 C10 C8 107.268
S6 C10 H9 109.503 H7 C8 C10 110.587
C8 C10 H9 110.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability