return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-629.299215
Energy at 298.15K-629.306244
HF Energy-629.299215
Nuclear repulsion energy285.805782
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 B97D3/6-31+G**
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 3737 3673 31.76      
2 A 3129 3075 21.39      
3 A 3040 2988 7.11      
4 A 3016 2964 12.72      
5 A 2999 2947 41.19      
6 A 2981 2930 56.93      
7 A 1690 1661 97.38      
8 A 1471 1446 3.20      
9 A 1464 1439 4.04      
10 A 1383 1359 6.67      
11 A 1255 1234 3.43      
12 A 1243 1222 51.64      
13 A 1197 1177 6.71      
14 A 1134 1114 200.39      
15 A 1119 1100 0.25      
16 A 1102 1083 5.84      
17 A 1002 985 14.42      
18 A 951 935 0.07      
19 A 882 867 0.53      
20 A 872 857 0.47      
21 A 749 736 11.18      
22 A 733 720 48.87      
23 A 692 680 1.67      
24 A 583 573 0.24      
25 A 469 461 0.42      
26 A 459 451 0.62      
27 A 380 373 99.12      
28 A 373 367 11.69      
29 A 217 213 5.91      
30 A 65 64 4.22      

Unscaled Zero Point Vibrational Energy (zpe) 20192.4 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 19845.1 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 B97D3/6-31+G**
ABC
0.19747 0.07805 0.05715

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.563 -0.521 0.000
C2 -0.159 -1.187 0.000
C3 -1.057 0.021 -0.000
C4 -0.483 1.239 -0.000
C5 1.019 1.262 0.000
O6 -2.395 -0.286 -0.000
H7 -0.335 -1.807 -0.890
H8 -1.048 2.172 -0.000
H9 1.431 1.761 0.890
H10 -0.335 -1.807 0.891
H11 1.432 1.761 -0.890
H12 -2.910 0.536 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.84582.67542.69811.86343.96442.45923.75032.45252.45932.45254.5959
C21.84581.50552.44722.71732.41081.09933.47463.46571.09933.46583.2464
C32.67541.50551.34632.41911.37232.15812.15113.16452.15813.16451.9231
C42.69812.44721.34631.50262.44533.17681.09092.17493.17682.17492.5266
C51.86342.71732.41911.50263.74863.47062.25861.10043.47051.10043.9958
O63.96442.41081.37232.44533.74862.71132.80294.42982.71134.42990.9704
H72.45921.09932.15813.17683.47062.71134.13964.36131.78073.98163.5940
H83.75033.47462.15111.09092.25862.80294.13962.66604.13952.66602.4787
H92.45253.46573.16452.17491.10044.42984.36132.66603.98141.77944.5980
H102.45931.09932.15813.17683.47052.71131.78074.13953.98144.36133.5941
H112.45253.46583.16452.17491.10044.42993.98162.66601.77944.36134.5980
H124.59593.24641.92312.52663.99580.97043.59402.47874.59803.59414.5980

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 105.598 S1 C2 H7 110.850
S1 C2 H10 110.852 S1 C5 C4 106.166
S1 C5 H9 109.155 S1 C5 H11 109.152
C2 S1 C5 94.296 C2 C3 C4 117.901
C2 C3 O6 113.838 C3 C2 H7 110.783
C3 C2 H10 110.781 C3 C4 C5 116.039
C3 C4 H8 123.603 C3 O6 H12 109.424
C4 C3 O6 128.261 C4 C5 H9 112.294
C4 C5 H11 112.296 C5 C4 H8 120.358
H7 C2 H10 108.002 H9 C5 H11 107.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.017      
2 C -0.295      
3 C 0.014      
4 C 0.085      
5 C -0.598      
6 O -0.470      
7 H 0.197      
8 H 0.128      
9 H 0.186      
10 H 0.197      
11 H 0.186      
12 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.795 1.890 -0.001 2.606
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.459 -1.748 0.001
y -1.748 -39.292 -0.001
z 0.001 -0.001 -45.525
Traceless
 xyz
x -1.051 -1.748 0.001
y -1.748 5.199 -0.001
z 0.001 -0.001 -4.149
Polar
3z2-r2-8.298
x2-y2-4.167
xy-1.748
xz0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.514 0.597 0.001
y 0.597 11.386 -0.000
z 0.001 -0.000 7.577


<r2> (average value of r2) Å2
<r2> 193.152
(<r2>)1/2 13.898