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

using model chemistry: wB97X-D/3-21G*

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/3-21G*
 hartrees
Energy at 0K-626.213420
Energy at 298.15K-626.220754
HF Energy-626.213420
Nuclear repulsion energy286.632494
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/3-21G*
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 3638 3448 22.78      
2 A 3244 3074 8.36      
3 A 3161 2996 3.81      
4 A 3146 2982 8.07      
5 A 3115 2952 17.01      
6 A 3103 2941 27.34      
7 A 1769 1677 90.34      
8 A 1554 1473 1.56      
9 A 1540 1460 7.67      
10 A 1466 1389 1.92      
11 A 1326 1257 10.82      
12 A 1313 1244 14.08      
13 A 1265 1199 0.23      
14 A 1217 1154 0.20      
15 A 1196 1134 2.92      
16 A 1164 1103 224.94      
17 A 1033 979 22.32      
18 A 988 936 2.83      
19 A 920 872 0.26      
20 A 893 846 0.01      
21 A 828 785 78.29      
22 A 788 747 12.73      
23 A 735 697 1.90      
24 A 620 587 0.58      
25 A 504 477 3.00      
26 A 497 471 0.48      
27 A 423 401 149.22      
28 A 374 355 14.23      
29 A 243 230 4.82      
30 A 70 67 3.44      

Unscaled Zero Point Vibrational Energy (zpe) 21064.8 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 19965.2 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/3-21G*
ABC
0.20016 0.07806 0.05738

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.564 -0.516 0.000
C2 -0.146 -1.175 0.000
C3 -1.060 0.025 -0.000
C4 -0.484 1.226 -0.000
C5 1.022 1.251 0.000
O6 -2.400 -0.289 -0.000
H7 -0.328 -1.787 -0.888
H8 -1.038 2.156 -0.000
H9 1.423 1.749 0.889
H10 -0.328 -1.786 0.888
H11 1.423 1.749 -0.889
H12 -2.966 0.517 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.83222.67842.68871.84823.97052.44563.72982.43732.44562.43734.6456
C21.83221.50792.42482.69242.42221.09363.44853.43501.09363.43523.2884
C32.67841.50791.33222.41591.37702.14602.13163.15042.14603.15051.9686
C42.68872.42481.33221.50642.44283.14501.08262.16793.14482.16792.5808
C51.84822.69242.41591.50643.75283.44082.25041.09493.44051.09494.0546
O63.97052.42221.37702.44283.75282.70672.79904.42262.70684.42270.9846
H72.44561.09362.14603.14503.44082.70674.10374.32711.77603.94563.6129
H83.72983.44852.13161.08262.25042.79904.10372.64824.10352.64812.5301
H92.43733.43503.15042.16791.09494.42264.32712.64823.94511.77794.6439
H102.44561.09362.14603.14483.44052.70681.77604.10353.94514.32703.6131
H112.43733.43523.15052.16791.09494.42273.94562.64811.77794.32704.6438
H124.64563.28841.96862.58084.05460.98463.61292.53014.64393.61314.6438

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 106.218 S1 C2 H7 110.879
S1 C2 H10 110.881 S1 C5 C4 106.102
S1 C5 H9 109.124 S1 C5 H11 109.121
C2 S1 C5 94.031 C2 C3 C4 117.116
C2 C3 O6 114.123 C3 C2 H7 110.139
C3 C2 H10 110.137 C3 C4 C5 116.532
C3 C4 H8 123.623 C3 O6 H12 111.871
C4 C3 O6 128.760 C4 C5 H9 111.927
C4 C5 H11 111.929 C5 C4 H8 119.844
H7 C2 H10 108.581 H9 C5 H11 108.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.188      
2 C -0.631      
3 C 0.308      
4 C -0.256      
5 C -0.621      
6 O -0.602      
7 H 0.264      
8 H 0.212      
9 H 0.248      
10 H 0.264      
11 H 0.248      
12 H 0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.042 2.030 -0.001 2.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.920 -2.118 0.002
y -2.118 -38.682 -0.001
z 0.002 -0.001 -44.919
Traceless
 xyz
x -0.119 -2.118 0.002
y -2.118 4.738 -0.001
z 0.002 -0.001 -4.618
Polar
3z2-r2-9.237
x2-y2-3.238
xy-2.118
xz0.002
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.248 0.613 0.001
y 0.613 9.341 -0.000
z 0.001 -0.000 4.646


<r2> (average value of r2) Å2
<r2> 191.909
(<r2>)1/2 13.853