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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-2-ol)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-629.433393
Energy at 298.15K-629.440818
HF Energy-629.433393
Nuclear repulsion energy292.412615
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 wB97X-D/TZVP
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 3886 3711 58.11      
2 A 3219 3075 9.01      
3 A 3166 3024 10.98      
4 A 3108 2968 38.19      
5 A 3093 2954 8.70      
6 A 3034 2898 48.16      
7 A 1715 1638 167.57      
8 A 1514 1446 0.64      
9 A 1493 1426 4.53      
10 A 1400 1337 10.57      
11 A 1351 1290 16.84      
12 A 1313 1254 12.40      
13 A 1284 1226 29.10      
14 A 1209 1154 6.71      
15 A 1169 1117 0.19      
16 A 1162 1110 210.87      
17 A 1054 1007 15.81      
18 A 1017 971 13.84      
19 A 941 899 13.69      
20 A 883 844 1.80      
21 A 750 716 48.69      
22 A 711 679 4.27      
23 A 699 667 13.71      
24 A 638 609 6.47      
25 A 535 511 6.57      
26 A 480 458 3.03      
27 A 373 356 9.00      
28 A 338 323 96.04      
29 A 263 251 11.81      
30 A 169 162 2.35      

Unscaled Zero Point Vibrational Energy (zpe) 20982.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 20038.5 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 wB97X-D/TZVP
ABC
0.15624 0.10132 0.06390

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.078 -1.266 -0.110
C2 -0.855 0.239 0.020
C3 -0.137 1.359 0.031
C4 1.337 1.128 -0.173
C5 1.607 -0.318 0.256
O6 -2.195 0.073 0.075
H7 -0.577 2.345 0.088
H8 1.955 1.812 0.414
H9 1.782 -0.372 1.331
H10 1.606 1.268 -1.226
H11 2.447 -0.772 -0.267
H12 -2.613 0.936 0.007

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77502.63682.70531.83582.64453.67533.64202.40353.16262.42493.4790
C21.77501.33082.37332.53581.35122.12613.24413.00802.94473.46521.8913
C32.63681.33081.50492.43002.42731.08212.17372.89302.15073.36192.5126
C42.70532.37331.50491.53303.69422.28291.09192.17061.09662.20293.9586
C51.83582.53582.43001.53303.82693.44902.16371.09012.17141.08834.4101
O62.64451.35122.42733.69423.82692.78944.51194.19464.19184.73070.9611
H73.67532.12611.08212.28293.44902.78942.60783.80752.76694.35762.4777
H83.64203.24412.17371.09192.16374.51192.60782.37511.76222.71654.6687
H92.40353.00802.89302.17061.09014.19463.80752.37513.04331.77614.7731
H103.16262.94472.15071.09662.17144.19182.76691.76223.04332.40604.4087
H112.42493.46523.36192.20291.08834.73074.35762.71651.77612.40605.3477
H123.47901.89132.51263.95864.41010.96112.47774.66874.77314.40875.3477

picture of 4,5-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 115.464 S1 C2 O6 114.870
S1 C5 C4 106.499 S1 C5 H9 107.727
S1 C5 H11 109.378 C2 S1 C5 89.208
C2 C3 C4 113.496 C2 C3 H7 123.229
C2 O6 H12 108.582 C3 C2 O6 129.659
C3 C4 C5 106.236 C3 C4 H8 112.696
C3 C4 H10 110.547 C4 C3 H7 123.049
C4 C5 H9 110.548 C4 C5 H11 113.270
C5 C4 H8 109.892 C5 C4 H10 110.227
H8 C4 H10 107.267 H9 C5 H11 109.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.010      
2 C 0.023      
3 C -0.240      
4 C -0.206      
5 C -0.332      
6 O -0.278      
7 H 0.152      
8 H 0.130      
9 H 0.164      
10 H 0.130      
11 H 0.158      
12 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.794 2.499 0.076 2.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.389 -5.029 0.732
y -5.029 -42.211 -0.128
z 0.732 -0.128 -45.186
Traceless
 xyz
x 6.310 -5.029 0.732
y -5.029 -0.924 -0.128
z 0.732 -0.128 -5.386
Polar
3z2-r2-10.771
x2-y24.823
xy-5.029
xz0.732
yz-0.128


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.786 0.473 0.086
y 0.473 10.974 0.148
z 0.086 0.148 6.766


<r2> (average value of r2) Å2
<r2> 179.752
(<r2>)1/2 13.407