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All results from a given calculation for C4H6OS (2,3-dihydrothiophene-2-ol)

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-619.764399
Energy at 298.15K-619.771470
Nuclear repulsion energy290.193196
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/STO-3G
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 3653 3271 17.80      
2 A 3470 3108 9.31      
3 A 3441 3082 18.36      
4 A 3390 3036 0.65      
5 A 3292 2948 0.27      
6 A 3233 2895 11.54      
7 A 1774 1588 15.34      
8 A 1594 1428 2.70      
9 A 1529 1370 4.83      
10 A 1431 1281 2.74      
11 A 1379 1235 9.05      
12 A 1344 1203 85.69      
13 A 1298 1163 4.02      
14 A 1240 1110 3.45      
15 A 1172 1050 2.24      
16 A 1144 1024 52.52      
17 A 1086 973 5.43      
18 A 1004 899 6.95      
19 A 964 863 0.90      
20 A 940 842 16.47      
21 A 901 807 24.12      
22 A 816 731 6.40      
23 A 721 646 10.90      
24 A 690 618 30.74      
25 A 575 515 1.02      
26 A 447 400 42.73      
27 A 407 365 33.88      
28 A 365 327 19.25      
29 A 336 301 12.51      
30 A 91 82 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 21863.0 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 19578.3 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/STO-3G
ABC
0.13592 0.10741 0.06824

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.393 -1.284 0.152
C2 0.925 0.026 0.413
C3 0.212 1.413 0.364
C4 -1.184 1.212 -0.187
C5 -1.556 -0.071 -0.324
O6 1.930 0.057 -0.619
H7 1.374 -0.171 1.417
H8 0.822 2.072 -0.285
H9 -1.818 2.070 -0.439
H10 -2.535 -0.402 -0.693
H11 0.188 1.872 1.371
H12 2.437 -0.827 -0.459

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.87672.77252.64071.74702.79082.44173.59633.69212.46673.43252.9312
C21.87671.56102.49352.59081.44081.11742.16483.52563.65842.20621.9425
C32.77251.56101.51392.40892.39972.22971.10782.27913.45791.10713.2630
C42.64072.49351.51391.34333.34963.32142.18481.09602.16482.17844.1649
C51.74702.59082.40891.34333.50113.41043.20192.16041.09723.11334.0667
O62.79081.44082.39973.34963.50112.12332.32454.25824.48933.20751.0314
H72.44171.11742.22973.32143.41042.12332.86984.31934.44892.36232.2540
H83.59632.16481.10782.18483.20192.32452.86982.64404.19011.78433.3236
H93.69213.52562.27911.09602.16044.25824.31932.64402.58642.70915.1477
H102.46673.65843.45792.16481.09724.48934.44894.19012.58644.10464.9962
H113.43252.20621.10712.17843.11333.20752.36231.78432.70914.10463.9608
H122.93121.94253.26304.16494.06671.03142.25403.32365.14774.99623.9608

picture of 2,3-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 107.153 S1 C2 O6 113.894
S1 C2 H7 106.506 S1 C5 C4 116.804
S1 C5 H10 118.491 C2 S1 C5 91.206
C2 C3 C4 108.363 C2 C3 H8 107.203
C2 C3 H11 110.408 C2 O6 H12 102.310
C3 C2 O6 106.078 C3 C2 H7 111.641
C3 C4 C5 114.805 C3 C4 H9 120.839
C4 C3 H8 111.962 C4 C3 H11 111.486
C4 C5 H10 124.696 C5 C4 H9 124.355
O6 C2 H7 111.570 H8 C3 H11 107.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.150      
2 C -0.073      
3 C -0.186      
4 C -0.130      
5 C -0.213      
6 O -0.224      
7 H 0.087      
8 H 0.110      
9 H 0.092      
10 H 0.101      
11 H 0.100      
12 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.817 -0.450 0.866 1.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.612 -2.375 2.224
y -2.375 -37.550 0.750
z 2.224 0.750 -39.488
Traceless
 xyz
x 2.907 -2.375 2.224
y -2.375 0.000 0.750
z 2.224 0.750 -2.907
Polar
3z2-r2-5.814
x2-y21.938
xy-2.375
xz2.224
yz0.750


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.946 -0.286 0.535
y -0.286 5.993 -0.052
z 0.535 -0.052 2.575


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