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

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

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/6-31G*
 hartrees
Energy at 0K-628.186214
Energy at 298.15K-628.193480
HF Energy-627.302864
Nuclear repulsion energy288.700140
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/6-31G*
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 3816 3580 49.40      
2 A 3309 3105 5.25      
3 A 3211 3013 8.15      
4 A 3144 2950 28.19      
5 A 3122 2929 9.95      
6 A 3081 2891 30.73      
7 A 1789 1678 26.56      
8 A 1554 1458 2.50      
9 A 1536 1441 2.80      
10 A 1433 1344 123.36      
11 A 1371 1286 19.48      
12 A 1346 1263 54.77      
13 A 1288 1208 0.07      
14 A 1236 1159 17.12      
15 A 1207 1132 69.60      
16 A 1185 1112 13.50      
17 A 1053 988 2.65      
18 A 1032 969 1.14      
19 A 949 891 19.50      
20 A 856 803 28.04      
21 A 843 791 0.76      
22 A 809 759 37.89      
23 A 721 677 2.08      
24 A 558 524 3.22      
25 A 518 486 1.52      
26 A 453 425 8.28      
27 A 384 360 6.43      
28 A 260 244 42.38      
29 A 240 225 88.17      
30 A 170 159 6.08      

Unscaled Zero Point Vibrational Energy (zpe) 21235.2 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 19924.9 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 MP3=FULL/6-31G*
ABC
0.20181 0.07888 0.05880

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.558 -0.543 -0.082
C2 0.110 -1.121 0.083
C3 1.030 -0.155 0.018
C4 0.486 1.237 -0.202
C5 -0.986 1.175 0.226
O6 2.377 -0.388 0.001
H7 0.312 -2.180 0.178
H8 1.030 1.988 0.385
H9 -1.614 1.869 -0.333
H10 0.589 1.509 -1.262
H11 -1.081 1.390 1.294
H12 2.842 0.407 0.296

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77362.61932.71311.83633.93962.49933.65022.42523.19522.42054.5176
C21.77361.33582.40452.54792.38411.08223.25613.47642.99223.03153.1373
C32.61931.33581.51022.42421.36742.15462.17393.34832.14452.91081.9172
C42.71312.40451.51021.53482.50173.44211.09762.19741.09872.17182.5470
C51.83632.54792.42421.53483.71583.59732.18021.09072.19251.09293.9052
O63.93962.38411.36742.50173.71582.73982.75814.59782.89704.09800.9668
H72.49931.08222.15463.44213.59732.73984.23424.51263.96923.99153.6201
H83.65023.25612.17391.09762.18022.75814.23422.74301.77072.37502.4063
H92.42523.47643.34832.19741.09074.59784.51262.74302.41771.77774.7321
H103.19522.99222.14451.09872.19252.89703.96921.77072.41773.05482.9526
H112.42053.03152.91082.17181.09294.09803.99152.37501.77773.05484.1658
H124.51763.13731.91722.54703.90520.96683.62012.40634.73212.95264.1658

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 114.053 S1 C2 H7 120.183
S1 C5 C4 106.843 S1 C5 H9 109.239
S1 C5 H11 108.782 C2 S1 C5 89.775
C2 C3 C4 115.182 C2 C3 O6 123.763
C3 C2 H7 125.697 C3 C4 C5 105.525
C3 C4 H8 111.971 C3 C4 H10 109.558
C3 O6 H12 109.244 C4 C3 C5 37.589
C4 C5 H9 112.543 C4 C5 H11 110.351
C5 C4 H8 110.738 C5 C4 H10 111.650
H8 C4 H10 107.451 H9 C5 H11 108.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability