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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-3-ol)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-628.258334
Energy at 298.15K-628.265651
HF Energy-627.325023
Nuclear repulsion energy288.859410
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/6-31+G**
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 3946 3677 61.04      
2 A 3343 3114 5.23      
3 A 3240 3019 9.46      
4 A 3169 2953 37.82      
5 A 3155 2939 5.73      
6 A 3109 2896 38.21      
7 A 1771 1650 34.49      
8 A 1545 1439 2.04      
9 A 1527 1422 3.02      
10 A 1424 1326 94.90      
11 A 1367 1273 11.10      
12 A 1334 1243 59.25      
13 A 1276 1189 0.61      
14 A 1226 1142 17.66      
15 A 1204 1121 86.84      
16 A 1175 1094 9.20      
17 A 1050 978 3.55      
18 A 1028 957 1.02      
19 A 947 882 18.89      
20 A 854 796 29.58      
21 A 841 783 1.42      
22 A 809 753 35.11      
23 A 717 668 1.90      
24 A 556 518 3.31      
25 A 518 483 2.16      
26 A 448 417 9.33      
27 A 386 360 13.23      
28 A 264 246 119.77      
29 A 250 233 6.69      
30 A 178 166 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 21328.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 19869.1 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/6-31+G**
ABC
0.20209 0.07886 0.05883

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.560 -0.541 -0.085
C2 0.107 -1.121 0.087
C3 1.029 -0.154 0.021
C4 0.486 1.236 -0.204
C5 -0.984 1.174 0.230
O6 2.378 -0.388 -0.001
H7 0.308 -2.174 0.181
H8 1.030 1.983 0.376
H9 -1.607 1.868 -0.323
H10 0.584 1.501 -1.260
H11 -1.073 1.385 1.293
H12 2.851 0.393 0.294

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77312.61972.71211.83593.94142.49453.64562.42153.18572.41774.5240
C21.77311.33722.40422.54432.38751.07633.25083.47002.98613.02083.1401
C32.61971.33721.50922.42051.36902.15072.16663.34072.14012.89961.9213
C42.71212.40421.50921.53372.50163.43591.09152.19001.09352.16662.5592
C51.83592.54432.42051.53373.71403.58822.17551.08502.18781.08783.9136
O63.94142.38751.36902.50163.71402.74022.75354.59112.89364.09010.9596
H72.49451.07632.15073.43593.58822.74024.22384.50103.95723.97613.6152
H83.64563.25082.16661.09152.17552.75354.22382.73121.76352.37102.4185
H92.42153.47003.34072.19001.08504.59114.50102.73122.41161.76964.7361
H103.18572.98612.14011.09352.18782.89363.95721.76352.41163.04632.9630
H112.41773.02082.89962.16661.08784.09013.97612.37101.76963.04634.1687
H124.52403.14011.92132.55923.91360.95963.61522.41854.73612.96304.1687

picture of 4,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 114.029 S1 C2 H7 120.210
S1 C5 C4 106.857 S1 C5 H9 109.288
S1 C5 H11 108.863 C2 S1 C5 89.643
C2 C3 C4 115.133 C2 C3 O6 123.816
C3 C2 H7 125.681 C3 C4 C5 105.394
C3 C4 H8 111.826 C3 C4 H10 109.583
C3 O6 H12 109.949 C4 C3 C5 37.654
C4 C5 H9 112.376 C4 C5 H11 110.318
C5 C4 H8 110.802 C5 C4 H10 111.664
H8 C4 H10 107.617 H9 C5 H11 109.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability