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All results from a given calculation for C4H6OS (2,3-dihydrothiophene-2-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-627.027208
Energy at 298.15K-627.034466
Nuclear repulsion energy291.738618
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 3551 3479 15.46      
2 A 3216 3151 2.71      
3 A 3162 3098 1.23      
4 A 3046 2984 2.99      
5 A 3010 2949 39.96      
6 A 2971 2911 9.06      
7 A 1654 1620 10.63      
8 A 1430 1401 12.44      
9 A 1364 1337 2.87      
10 A 1318 1291 6.59      
11 A 1291 1264 11.45      
12 A 1247 1222 50.38      
13 A 1209 1184 40.81      
14 A 1144 1121 25.29      
15 A 1107 1085 2.29      
16 A 1045 1024 114.43      
17 A 1026 1006 4.84      
18 A 941 922 24.27      
19 A 905 887 0.25      
20 A 883 865 44.20      
21 A 809 792 30.43      
22 A 742 727 33.16      
23 A 674 660 56.18      
24 A 622 610 18.29      
25 A 517 507 3.09      
26 A 424 416 27.16      
27 A 376 368 82.43      
28 A 364 357 42.58      
29 A 286 280 100.77      
30 A 130 127 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 20232.2 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 19821.5 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
0.12986 0.11188 0.07255

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 -0.547 -1.252 0.212
C2 0.957 -0.076 0.422
C3 0.372 1.317 0.518
C4 -0.925 1.347 -0.224
C5 -1.497 0.154 -0.425
O6 1.785 -0.103 -0.719
H7 1.468 -0.414 1.343
H8 1.123 2.017 0.106
H9 -1.382 2.288 -0.543
H10 -2.448 -0.054 -0.916
H11 0.213 1.588 1.583
H12 2.048 -1.028 -0.946

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.92082.74582.66181.81222.76172.45783.67223.71412.51363.24372.8510
C21.92081.51432.44612.60611.40991.10592.12333.46303.65842.16121.9919
C32.74581.51431.49482.39502.35452.20851.10592.26883.44821.10963.2332
C42.66182.44611.49481.33783.11283.35852.17971.09382.18192.14873.8728
C51.81222.60612.39501.33783.30503.49803.25792.13961.09033.00163.7730
O62.76171.40992.35453.11283.30502.10922.36903.97214.23783.26010.9882
H72.45781.10592.20853.35853.49802.10922.74934.35664.53452.37502.4398
H83.67222.12331.10592.17973.25792.36902.74932.60214.25241.78673.3517
H93.71413.46302.26881.09382.13963.97214.35662.60212.59952.74854.7878
H102.51363.65843.44822.18191.09034.23784.53454.25242.59954.00234.6005
H113.24372.16121.10962.14873.00163.26012.37501.78672.74854.00234.0750
H122.85101.99193.23323.87283.77300.98822.43983.35174.78784.60054.0750

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 105.525 S1 C2 O6 111.097
S1 C2 H7 105.403 S1 C5 C4 114.508
S1 C5 H10 117.835 C2 S1 C5 88.504
C2 C3 C4 108.761 C2 C3 H8 107.232
C2 C3 H11 109.947 C2 O6 H12 111.103
C3 C2 O6 107.203 C3 C2 H7 113.983
C3 C4 C5 115.343 C3 C4 H9 121.666
C4 C3 H8 113.031 C4 C3 H11 110.305
C4 C5 H10 127.657 C5 C4 H9 122.955
O6 C2 H7 113.386 H8 C3 H11 107.499
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 0.246      
2 C -0.216      
3 C -0.359      
4 C -0.021      
5 C -0.450      
6 O -0.538      
7 H 0.193      
8 H 0.212      
9 H 0.167      
10 H 0.190      
11 H 0.190      
12 H 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.500 0.500 0.531 0.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.112 -4.536 3.205
y -4.536 -41.033 2.067
z 3.205 2.067 -43.949
Traceless
 xyz
x 2.379 -4.536 3.205
y -4.536 0.997 2.067
z 3.205 2.067 -3.376
Polar
3z2-r2-6.752
x2-y20.922
xy-4.536
xz3.205
yz2.067


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.294 0.331 0.762
y 0.331 10.503 -0.053
z 0.762 -0.053 6.346


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