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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-2-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-628.259653
Energy at 298.15K-628.267065
HF Energy-627.326224
Nuclear repulsion energy292.209907
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 3936 3667 55.63      
2 A 3293 3068 8.97      
3 A 3238 3016 11.23      
4 A 3180 2963 33.98      
5 A 3162 2946 12.63      
6 A 3107 2895 45.39      
7 A 1745 1626 128.66      
8 A 1554 1447 0.29      
9 A 1530 1426 2.75      
10 A 1419 1322 8.30      
11 A 1386 1291 16.09      
12 A 1349 1257 10.74      
13 A 1301 1212 28.85      
14 A 1226 1143 3.41      
15 A 1186 1105 0.27      
16 A 1181 1100 204.79      
17 A 1076 1002 10.48      
18 A 1040 969 16.18      
19 A 959 893 12.55      
20 A 902 840 1.21      
21 A 747 696 50.23      
22 A 725 676 2.46      
23 A 706 657 10.55      
24 A 644 600 5.06      
25 A 528 492 6.87      
26 A 486 453 3.50      
27 A 370 345 9.59      
28 A 309 288 91.74      
29 A 263 245 20.05      
30 A 173 161 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 21360.5 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 19899.4 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 MP3=FULL/6-31+G**
ABC
0.15609 0.10106 0.06389

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 0.061 -1.268 -0.113
C2 -0.850 0.248 0.018
C3 -0.116 1.369 0.019
C4 1.359 1.120 -0.167
C5 1.595 -0.341 0.261
O6 -2.196 0.092 0.079
H7 -0.538 2.362 0.067
H8 1.969 1.788 0.441
H9 1.787 -0.400 1.330
H10 1.651 1.268 -1.210
H11 2.423 -0.797 -0.273
H12 -2.623 0.952 0.032

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77352.64652.71901.83152.64233.68393.64492.41113.18812.41373.4863
C21.77351.34022.38202.52671.35652.13783.23983.01532.96673.44781.9078
C32.64651.34021.50682.43092.44161.08032.16792.90982.15383.34982.5416
C42.71902.38201.50681.54033.70872.27931.08922.17521.09312.19553.9902
C51.83152.52672.43091.54033.82043.44892.16821.08762.17991.08524.4178
O62.64231.35652.44163.70873.82042.81094.51154.20364.22394.71680.9612
H73.68392.13781.08032.27933.44892.81092.59943.82482.75994.34332.5169
H83.64493.23982.16791.08922.16824.51152.59942.36781.75922.71964.6852
H92.41113.01532.90982.17521.08764.20363.82482.36783.04091.76944.7915
H103.18812.96672.15381.09312.17994.22392.75991.75923.04092.39554.4614
H112.41373.44783.34982.19551.08524.71684.34332.71961.76942.39555.3490
H123.48631.90782.54163.99024.41780.96122.51694.68524.79154.46145.3490

picture of 4,5-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 115.713 S1 C2 O6 114.518
S1 C5 C4 107.174 S1 C5 H9 108.681
S1 C5 H11 108.993 C2 S1 C5 88.984
C2 C3 C4 113.450 C2 C3 H7 123.703
C2 O6 H12 109.623 C3 C2 O6 129.757
C3 C4 C5 105.829 C3 C4 H8 112.251
C3 C4 H10 110.868 C4 C3 H7 122.676
C4 C5 H9 110.551 C4 C5 H11 112.320
C5 C4 H8 109.897 C5 C4 H10 110.596
H8 C4 H10 107.434 H9 C5 H11 109.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability