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 C3H6S (Thiirane, methyl-)

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-514.832745
Energy at 298.15K-514.839293
HF Energy-514.502923
Nuclear repulsion energy154.174653
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/SDD
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 3262 3149 7.93      
2 A 3182 3071 13.72      
3 A 3147 3037 14.37      
4 A 3133 3025 20.29      
5 A 3113 3005 21.38      
6 A 3016 2911 31.25      
7 A 1534 1481 10.92      
8 A 1522 1469 2.84      
9 A 1510 1458 7.49      
10 A 1466 1415 6.71      
11 A 1404 1355 2.08      
12 A 1230 1187 3.51      
13 A 1204 1162 6.85      
14 A 1151 1111 38.12      
15 A 1129 1090 2.22      
16 A 1035 999 3.18      
17 A 964 931 5.71      
18 A 926 894 3.26      
19 A 886 855 4.83      
20 A 563 544 5.04      
21 A 545 526 7.37      
22 A 394 380 0.21      
23 A 292 282 1.76      
24 A 242 233 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 18423.7 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 17784.4 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 MP2/SDD
ABC
0.36219 0.14948 0.12089

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.810 -0.373 -0.183
C2 -0.564 0.177 0.520
C3 0.290 1.214 -0.164
S4 1.170 -0.520 -0.052
H5 -1.636 -0.447 -1.271
H6 -2.071 -1.378 0.193
H7 -2.670 0.301 -0.009
H8 -0.622 0.243 1.613
H9 0.016 1.505 -1.183
H10 0.762 1.987 0.448

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.53312.63242.98671.10421.10371.10712.23962.80443.5476
C21.53311.50691.95432.17892.19002.17561.09642.23602.2448
C32.63241.50691.94772.77403.52363.10192.22041.09451.0931
S42.98671.95431.94773.06073.36133.92772.56222.59092.5888
H51.10422.17892.77403.06071.78801.79553.13382.55973.8252
H61.10372.19003.52363.36131.78801.79422.59653.81584.4059
H71.10712.17563.10193.92771.79551.79422.61293.17003.8515
H82.23961.09642.22042.56223.13382.59652.61293.13302.5130
H92.80442.23601.09452.59092.55973.81583.17003.13301.8564
H103.54762.24481.09312.58883.82524.40593.85152.51301.8564

picture of Thiirane, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.967 C1 C2 S4 117.326
C1 C2 H8 115.802 C2 C1 H5 110.353
C2 C1 H6 111.263 C2 C1 H7 109.928
C2 C3 S4 67.514 C2 C3 H9 117.650
C2 C3 H10 118.522 C2 S4 C3 45.435
C3 C2 S4 67.051 C3 C2 H8 116.175
S4 C2 H8 111.115 S4 C3 H9 113.810
S4 C3 H10 113.727 H5 C1 H6 108.153
H5 C1 H7 108.573 H6 C1 H7 108.498
H9 C3 H10 116.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability