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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-627.138074
Energy at 298.15K-627.145191
Nuclear repulsion energy290.310547
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 3739 3669 54.01      
2 A 3195 3135 6.48      
3 A 3092 3035 3.95      
4 A 3009 2953 25.36      
5 A 2990 2935 7.51      
6 A 2934 2879 36.25      
7 A 1715 1683 41.78      
8 A 1421 1395 13.05      
9 A 1402 1376 4.64      
10 A 1371 1345 142.67      
11 A 1273 1250 22.99      
12 A 1239 1216 33.63      
13 A 1224 1202 8.64      
14 A 1155 1134 8.39      
15 A 1122 1101 69.04      
16 A 1101 1081 25.86      
17 A 1004 985 0.42      
18 A 973 955 2.66      
19 A 909 892 22.24      
20 A 823 808 25.20      
21 A 804 789 3.62      
22 A 752 738 32.48      
23 A 683 671 1.90      
24 A 542 532 2.22      
25 A 494 485 2.57      
26 A 436 428 11.88      
27 A 371 365 7.40      
28 A 285 280 88.50      
29 A 235 230 18.50      
30 A 173 170 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 20233.4 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19855.1 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 LSDA/6-31G**
ABC
0.20415 0.07996 0.05970

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 -0.090
C2 0.094 -1.120 0.083
C3 1.027 -0.157 0.020
C4 0.481 1.215 -0.225
C5 -0.955 1.168 0.254
O6 2.357 -0.392 0.023
H7 0.289 -2.189 0.175
H8 1.050 2.003 0.306
H9 -1.614 1.895 -0.243
H10 0.538 1.444 -1.311
H11 -0.999 1.325 1.346
H12 2.818 0.448 0.200

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.75742.60622.67891.82843.91172.49423.64922.42713.12032.40674.4852
C21.75741.34222.38642.52252.37761.09083.27333.48052.95202.96083.1446
C32.60621.34221.49622.39501.35102.16792.17843.35432.13802.83861.8988
C42.67892.38641.49621.51412.48293.43271.10752.20231.11112.16102.4962
C51.82842.52252.39501.51413.66833.58082.17241.09992.18021.10413.8413
O63.91172.37761.35102.48293.66832.74362.74344.59032.90863.99550.9743
H72.49421.09082.16793.43273.58082.74364.26244.52523.93353.92133.6534
H83.64923.27332.17841.10752.17242.74344.26242.72171.78502.39602.3571
H92.42713.48053.35432.20231.09994.59034.52522.72172.44421.79624.6830
H103.12032.95202.13801.11112.18022.90863.93351.78502.44423.07152.9106
H112.40672.96082.83862.16101.10413.99553.92132.39601.79623.07154.0809
H124.48523.14461.89882.49623.84130.97433.65342.35714.68302.91064.0809

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 113.784 S1 C2 H7 120.445
S1 C5 C4 106.157 S1 C5 H9 109.427
S1 C5 H11 107.739 C2 S1 C5 89.390
C2 C3 C4 114.327 C2 C3 O6 123.967
C3 C2 H7 125.687 C3 C4 C5 105.419
C3 C4 H8 112.725 C3 C4 H10 109.285
C3 O6 H12 108.398 C4 C3 C5 37.551
C4 C5 H9 113.869 C4 C5 H11 110.272
C5 C4 H8 110.966 C5 C4 H10 111.368
H8 C4 H10 107.135 H9 C5 H11 109.172
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 0.132      
2 C -0.328      
3 C 0.310      
4 C -0.329      
5 C -0.426      
6 O -0.501      
7 H 0.151      
8 H 0.135      
9 H 0.171      
10 H 0.167      
11 H 0.181      
12 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.624 2.780 0.472 3.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.918 2.252 0.641
y 2.252 -38.794 0.232
z 0.641 0.232 -44.377
Traceless
 xyz
x -0.333 2.252 0.641
y 2.252 4.354 0.232
z 0.641 0.232 -4.021
Polar
3z2-r2-8.041
x2-y2-3.125
xy2.252
xz0.641
yz0.232


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.009 0.969 0.129
y 0.969 9.557 -0.052
z 0.129 -0.052 5.804


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