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

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-629.454205
Energy at 298.15K-629.461644
HF Energy-629.454205
Nuclear repulsion energy293.081009
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/aug-cc-pVTZ
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 3878 3710 61.57      
2 A 3213 3073 9.27      
3 A 3156 3019 9.54      
4 A 3099 2965 39.59      
5 A 3084 2950 7.16      
6 A 3026 2895 50.51      
7 A 1712 1637 162.33      
8 A 1513 1447 0.45      
9 A 1491 1427 4.36      
10 A 1398 1338 10.90      
11 A 1351 1292 15.59      
12 A 1308 1252 10.18      
13 A 1285 1229 32.47      
14 A 1208 1155 8.19      
15 A 1167 1117 0.36      
16 A 1161 1111 196.27      
17 A 1054 1008 15.36      
18 A 1016 971 13.19      
19 A 939 899 13.65      
20 A 880 842 1.51      
21 A 752 719 42.63      
22 A 713 682 3.54      
23 A 699 669 12.17      
24 A 638 611 5.48      
25 A 538 514 6.92      
26 A 478 457 2.90      
27 A 371 355 8.58      
28 A 346 331 82.33      
29 A 263 251 9.52      
30 A 168 161 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 20951.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 20042.5 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/aug-cc-pVTZ
ABC
0.15741 0.10161 0.06415

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.077 -1.259 -0.109
C2 -0.853 0.238 0.022
C3 -0.135 1.356 0.031
C4 1.337 1.125 -0.171
C5 1.604 -0.322 0.254
O6 -2.193 0.072 0.073
H7 -0.577 2.341 0.087
H8 1.955 1.804 0.418
H9 1.779 -0.381 1.327
H10 1.609 1.268 -1.222
H11 2.439 -0.779 -0.271
H12 -2.611 0.934 0.007

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.76722.62772.69751.82862.63753.66403.63152.39393.15782.41613.4713
C21.76721.32952.37112.53111.35052.12213.23983.00212.94483.45811.8910
C32.62771.32951.50332.42672.42601.08072.17202.89112.14883.35742.5126
C42.69752.37111.50331.53133.69142.28171.09052.16941.09532.20193.9570
C51.82862.53112.42671.53133.82163.44572.16051.08872.16921.08694.4056
O62.63751.35052.42603.69143.82162.78524.50794.18904.19054.72180.9603
H73.66402.12211.08072.28173.44572.78522.60923.80692.76434.35352.4750
H83.63153.23982.17201.09052.16054.50792.60922.37281.75972.71614.6668
H92.39393.00212.89112.16941.08874.18903.80692.37283.04051.77444.7690
H103.15782.94482.14881.09532.16924.19052.76431.75973.04052.40434.4084
H112.41613.45813.35742.20191.08694.72184.35352.71611.77442.40435.3402
H123.47131.89102.51263.95704.40560.96032.47504.66684.76904.40845.3402

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 115.379 S1 C2 O6 114.897
S1 C5 C4 106.468 S1 C5 H9 107.560
S1 C5 H11 109.277 C2 S1 C5 89.462
C2 C3 C4 113.513 C2 C3 H7 123.072
C2 O6 H12 108.657 C3 C2 O6 129.711
C3 C4 C5 106.198 C3 C4 H8 112.762
C3 C4 H10 110.590 C4 C3 H7 123.194
C4 C5 H9 110.651 C4 C5 H11 113.397
C5 C4 H8 109.837 C5 C4 H10 110.244
H8 C4 H10 107.234 H9 C5 H11 109.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.135      
2 C 0.629      
3 C -0.852      
4 C -0.229      
5 C -0.387      
6 O -0.515      
7 H 0.403      
8 H 0.259      
9 H 0.214      
10 H 0.230      
11 H 0.238      
12 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.779 2.375 0.112 2.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.560 -4.723 0.649
y -4.723 -42.237 -0.133
z 0.649 -0.133 -45.102
Traceless
 xyz
x 6.110 -4.723 0.649
y -4.723 -0.906 -0.133
z 0.649 -0.133 -5.204
Polar
3z2-r2-10.408
x2-y24.677
xy-4.723
xz0.649
yz-0.133


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.631 0.431 0.005
y 0.431 11.908 0.120
z 0.005 0.120 8.071


<r2> (average value of r2) Å2
<r2> 179.155
(<r2>)1/2 13.385