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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-627.126544
Energy at 298.15K-627.133655
Nuclear repulsion energy290.217609
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 LSDA/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 3676 3607 50.73      
2 A 3195 3136 6.00      
3 A 3091 3034 4.60      
4 A 3009 2953 26.04      
5 A 2988 2933 8.95      
6 A 2934 2879 37.32      
7 A 1718 1686 39.18      
8 A 1438 1411 10.42      
9 A 1420 1394 5.42      
10 A 1376 1351 151.38      
11 A 1286 1262 24.61      
12 A 1252 1229 36.43      
13 A 1233 1210 5.82      
14 A 1164 1142 9.77      
15 A 1133 1111 67.70      
16 A 1112 1092 22.07      
17 A 1009 990 0.39      
18 A 982 964 2.79      
19 A 913 896 22.01      
20 A 825 810 25.65      
21 A 809 794 3.41      
22 A 753 739 33.47      
23 A 686 673 1.92      
24 A 542 532 2.25      
25 A 494 485 2.60      
26 A 437 429 12.67      
27 A 371 364 7.53      
28 A 287 282 91.85      
29 A 234 230 18.39      
30 A 173 170 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 20271.6 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19892.5 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 LSDA/6-31G*
ABC
0.20402 0.07992 0.05967

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.551 -0.526 -0.091
C2 0.094 -1.120 0.084
C3 1.027 -0.157 0.020
C4 0.481 1.215 -0.225
C5 -0.955 1.167 0.255
O6 2.358 -0.393 0.023
H7 0.289 -2.190 0.176
H8 1.049 2.005 0.305
H9 -1.613 1.897 -0.241
H10 0.536 1.445 -1.312
H11 -0.998 1.325 1.347
H12 2.820 0.450 0.194

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.75762.60652.67941.82863.91272.49493.65042.42913.12042.40914.4884
C21.75761.34222.38672.52232.37821.09153.27483.48182.95352.96133.1482
C32.60651.34221.49652.39501.35182.16842.18023.35492.14022.83861.9017
C42.67942.38671.49651.51492.48403.43361.10842.20241.11192.16162.4969
C51.82862.52232.39501.51493.66933.58132.17281.10072.18081.10483.8436
O63.91272.37821.35182.48403.66932.74402.74614.59162.91183.99590.9772
H72.49491.09152.16843.43363.58132.74404.26474.52733.93553.92253.6575
H83.65043.27482.18021.10842.17282.74614.26472.72001.78622.39542.3591
H92.42913.48183.35492.20241.10074.59164.52732.72002.44361.79694.6840
H103.12042.95352.14021.11192.18082.91183.93551.78622.44363.07242.9111
H112.40912.96132.83862.16161.10483.99593.92252.39541.79693.07244.0836
H124.48843.14821.90172.49693.84360.97723.65752.35914.68402.91114.0836

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 113.791 S1 C2 H7 120.445
S1 C5 C4 106.146 S1 C5 H9 109.525
S1 C5 H11 107.864 C2 S1 C5 89.368
C2 C3 C4 114.332 C2 C3 O6 123.950
C3 C2 H7 125.677 C3 C4 C5 105.370
C3 C4 H8 112.794 C3 C4 H10 109.389
C3 O6 H12 108.402 C4 C3 C5 37.582
C4 C5 H9 113.770 C4 C5 H11 110.224
C5 C4 H8 110.898 C5 C4 H10 111.326
H8 C4 H10 107.123 H9 C5 H11 109.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.136      
2 C -0.379      
3 C 0.330      
4 C -0.415      
5 C -0.494      
6 O -0.576      
7 H 0.190      
8 H 0.170      
9 H 0.206      
10 H 0.200      
11 H 0.213      
12 H 0.419      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.627 2.809 0.471 3.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.949 2.334 0.640
y 2.334 -38.763 0.240
z 0.640 0.240 -44.406
Traceless
 xyz
x -0.364 2.334 0.640
y 2.334 4.414 0.240
z 0.640 0.240 -4.050
Polar
3z2-r2-8.099
x2-y2-3.185
xy2.334
xz0.640
yz0.240


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.961 0.969 0.130
y 0.969 9.493 -0.054
z 0.130 -0.054 5.755


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000