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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-ol)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-629.465390
Energy at 298.15K-629.472608
HF Energy-629.465390
Nuclear repulsion energy287.756273
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 TPSSh/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 3776 3644 33.34      
2 A 3168 3057 18.97      
3 A 3082 2974 8.26      
4 A 3059 2952 14.57      
5 A 3042 2936 35.14      
6 A 3026 2920 48.41      
7 A 1734 1673 92.70      
8 A 1503 1450 4.45      
9 A 1496 1444 4.16      
10 A 1421 1371 2.32      
11 A 1274 1229 7.29      
12 A 1267 1223 58.77      
13 A 1222 1179 1.25      
14 A 1160 1119 175.06      
15 A 1138 1099 0.00      
16 A 1121 1082 4.64      
17 A 1020 985 14.51      
18 A 966 932 0.24      
19 A 893 861 0.15      
20 A 888 857 0.25      
21 A 779 752 36.63      
22 A 774 747 10.75      
23 A 719 694 1.67      
24 A 601 580 0.30      
25 A 494 477 1.61      
26 A 470 453 0.35      
27 A 411 397 92.34      
28 A 373 360 11.10      
29 A 230 222 3.75      
30 A 77 75 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 20590.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19870.3 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 TPSSh/6-31G(2df,p)
ABC
0.19998 0.07921 0.05797

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.545 -0.519 0.000
C2 -0.161 -1.184 0.000
C3 -1.051 0.024 -0.000
C4 -0.475 1.230 -0.000
C5 1.022 1.252 0.000
O6 -2.379 -0.277 -0.000
H7 -0.332 -1.803 -0.886
H8 -1.033 2.162 -0.000
H9 1.439 1.744 0.886
H10 -0.332 -1.803 0.887
H11 1.439 1.744 -0.886
H12 -2.879 0.550 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.83122.65302.67201.84713.93212.44103.71972.43262.44112.43264.5519
C21.83121.50052.43362.70792.39631.09483.45723.45171.09483.45193.2239
C32.65301.50051.33622.40971.36162.15442.13773.15342.15443.15351.9019
C42.67202.43361.33621.49692.42853.16271.08662.17083.16252.17082.4987
C51.84712.70792.40971.49693.72923.45742.24731.09583.45721.09583.9639
O63.93212.39631.36162.42853.72922.70262.78584.41002.70274.41010.9665
H72.44101.09482.15443.16273.45742.70264.12274.34261.77303.96463.5788
H83.71973.45722.13771.08662.24732.78584.12272.65924.12252.65922.4508
H92.43263.45173.15342.17081.09584.41004.34262.65923.96401.77224.5672
H102.44111.09482.15443.16253.45722.70271.77304.12253.96404.34253.5792
H112.43263.45193.15352.17081.09584.41013.96462.65921.77224.34254.5669
H124.55193.22391.90192.49873.96390.96653.57882.45084.56723.57924.5669

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.123 S1 C2 H7 110.538
S1 C2 H10 110.541 S1 C5 C4 105.599
S1 C5 H9 108.807 S1 C5 H11 108.802
C2 S1 C5 94.811 C2 C3 C4 118.038
C2 C3 O6 113.608 C3 C2 H7 111.258
C3 C2 H10 111.256 C3 C4 C5 116.429
C3 C4 H8 123.518 C3 O6 H12 108.364
C4 C3 O6 128.354 C4 C5 H9 112.789
C4 C5 H11 112.792 C5 C4 H8 120.054
H7 C2 H10 108.137 H9 C5 H11 107.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability