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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-ol)

using model chemistry: LSDA/6-311G**

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/6-311G**
 hartrees
Energy at 0K-627.230216
Energy at 298.15K-627.237342
Nuclear repulsion energy289.749721
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/6-311G**
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 3718 3672 51.61      
2 A 3101 3062 10.28      
3 A 3008 2971 3.55      
4 A 2987 2950 8.11      
5 A 2968 2931 28.46      
6 A 2954 2918 36.38      
7 A 1723 1701 111.04      
8 A 1422 1404 1.46      
9 A 1419 1402 17.11      
10 A 1401 1383 7.86      
11 A 1262 1246 72.67      
12 A 1227 1212 21.43      
13 A 1192 1177 7.42      
14 A 1128 1114 151.81      
15 A 1098 1085 0.00      
16 A 1079 1065 7.19      
17 A 1010 998 15.87      
18 A 942 930 0.70      
19 A 894 883 0.02      
20 A 864 854 6.69      
21 A 780 771 6.52      
22 A 737 728 60.32      
23 A 722 713 1.05      
24 A 603 596 0.63      
25 A 477 471 0.26      
26 A 475 469 1.46      
27 A 419 414 100.57      
28 A 377 372 13.05      
29 A 221 218 4.86      
30 A 53 52 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 20128.9 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 19881.3 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/6-311G**
ABC
0.20273 0.08052 0.05892

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.534 -0.518 -0.000
C2 0.159 -1.168 0.000
C3 1.046 0.021 -0.000
C4 0.467 1.223 -0.000
C5 -1.012 1.238 0.000
O6 2.356 -0.277 -0.000
H7 0.348 -1.787 0.894
H8 1.032 2.160 -0.000
H9 -1.429 1.739 -0.891
H10 0.348 -1.788 -0.892
H11 -1.428 1.738 0.892
H12 2.867 0.551 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.81432.63562.65201.83173.89822.44013.70922.42832.44002.42844.5297
C21.81431.48272.41052.67592.37071.10323.44053.43021.10323.42943.2077
C32.63561.48271.33442.39071.34432.13422.13943.14132.13423.14091.8975
C42.65202.41051.33441.47862.41303.14251.09472.15673.14282.15672.4931
C51.83172.67592.39071.47863.69363.43512.24261.10403.43581.10403.9397
O63.89822.37071.34432.41303.69362.66712.77394.38012.66684.37970.9735
H72.44011.10322.13423.14253.43512.66714.10494.33311.78563.94773.5518
H83.70923.44052.13941.09472.24262.77394.10492.65074.10522.65102.4404
H92.42833.43023.14132.15671.10404.38014.33312.65073.94951.78304.5454
H102.44001.10322.13423.14283.43582.66681.78564.10523.94954.33303.5520
H112.42843.42943.14092.15671.10404.37973.94772.65101.78304.33304.5448
H124.52973.20771.89752.49313.93970.97353.55182.44044.54543.55204.5448

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.705 S1 C2 H7 111.170
S1 C2 H10 111.161 S1 C5 C4 105.987
S1 C5 H9 109.091 S1 C5 H11 109.098
C2 S1 C5 94.433 C2 C3 C4 117.570
C2 C3 O6 113.896 C3 C2 H7 110.383
C3 C2 H10 110.385 C3 C4 C5 116.304
C3 C4 H8 123.156 C3 O6 H12 108.847
C4 C3 O6 128.534 C4 C5 H9 112.441
C4 C5 H11 112.441 C5 C4 H8 120.540
H7 C2 H10 108.052 H9 C5 H11 107.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.108      
2 C -0.440      
3 C 0.084      
4 C -0.184      
5 C -0.457      
6 O -0.312      
7 H 0.206      
8 H 0.129      
9 H 0.197      
10 H 0.206      
11 H 0.197      
12 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.093 1.828 0.002 2.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.318 1.613 0.002
y 1.613 -39.414 -0.000
z 0.002 -0.000 -45.476
Traceless
 xyz
x 0.127 1.613 0.002
y 1.613 4.483 -0.000
z 0.002 -0.000 -4.610
Polar
3z2-r2-9.220
x2-y2-2.904
xy1.613
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.889 -0.531 0.001
y -0.531 10.888 0.000
z 0.001 0.000 5.794


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