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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-3-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-629.432286
Energy at 298.15K-629.439530
HF Energy-629.432286
Nuclear repulsion energy289.185945
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 3907 3732 69.84      
2 A 3270 3123 5.97      
3 A 3173 3030 9.30      
4 A 3101 2962 34.75      
5 A 3081 2942 8.87      
6 A 3037 2900 41.59      
7 A 1755 1676 51.84      
8 A 1502 1434 4.91      
9 A 1482 1415 3.98      
10 A 1392 1329 127.21      
11 A 1332 1272 21.57      
12 A 1308 1249 43.11      
13 A 1255 1199 2.07      
14 A 1205 1151 9.57      
15 A 1181 1128 96.73      
16 A 1162 1110 15.26      
17 A 1025 979 2.60      
18 A 1008 963 1.77      
19 A 927 885 21.36      
20 A 840 803 37.07      
21 A 826 789 0.68      
22 A 811 774 33.71      
23 A 702 670 2.61      
24 A 555 530 3.09      
25 A 513 489 2.71      
26 A 460 439 11.38      
27 A 390 372 5.78      
28 A 259 247 42.46      
29 A 222 212 74.02      
30 A 167 160 6.36      

Unscaled Zero Point Vibrational Energy (zpe) 20922.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 19980.5 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
0.20208 0.07928 0.05895

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 -1.552 -0.547 -0.079
C2 0.120 -1.119 0.071
C3 1.026 -0.151 0.016
C4 0.477 1.233 -0.207
C5 -0.986 1.176 0.228
O6 2.370 -0.383 0.014
H7 0.331 -2.173 0.163
H8 1.020 1.995 0.361
H9 -1.623 1.870 -0.316
H10 0.569 1.487 -1.270
H11 -1.072 1.370 1.297
H12 2.825 0.424 0.264

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77402.61042.70211.83893.92642.50013.64242.42943.17042.40784.4959
C21.77401.32692.39542.55282.36771.07903.25403.48212.96483.02013.1192
C32.61041.32691.50622.42041.36332.14332.17343.34922.13212.89141.9040
C42.70212.39541.50621.52772.49883.42961.09462.19741.09632.16352.5277
C51.83892.55282.42041.52773.70693.59982.17121.08772.18111.09023.8848
O63.92642.36771.36332.49883.70692.71742.75594.59682.89614.07040.9589
H72.50011.07902.14333.42963.59982.71744.22914.51643.93753.97663.6015
H83.64243.25402.17341.09462.17122.75594.22912.73181.76712.37532.3946
H92.42943.48213.34922.19741.08774.59684.51642.73182.42101.77654.7131
H103.17042.96482.13211.09632.18112.89613.93751.76712.42103.04862.9278
H112.40783.02012.89142.16351.09024.07043.97662.37531.77653.04864.1410
H124.49593.11921.90402.52773.88480.95893.60152.39464.71312.92784.1410

picture of 4,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 113.886 S1 C2 H7 120.436
S1 C5 C4 106.395 S1 C5 H9 109.527
S1 C5 H11 107.827 C2 S1 C5 89.898
C2 C3 C4 115.307 C2 C3 O6 123.303
C3 C2 H7 125.645 C3 C4 C5 105.838
C3 C4 H8 112.415 C3 C4 H10 109.006
C3 O6 H12 108.904 C4 C3 C5 37.388
C4 C5 H9 113.248 C4 C5 H11 110.355
C5 C4 H8 110.699 C5 C4 H10 111.393
H8 C4 H10 107.531 H9 C5 H11 109.316
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 0.007      
2 C -0.212      
3 C 0.011      
4 C -0.252      
5 C -0.336      
6 O -0.289      
7 H 0.185      
8 H 0.130      
9 H 0.160      
10 H 0.152      
11 H 0.162      
12 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.341 2.888 0.461 3.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.524 2.341 0.882
y 2.341 -39.067 0.272
z 0.882 0.272 -44.941
Traceless
 xyz
x -1.520 2.341 0.882
y 2.341 5.166 0.272
z 0.882 0.272 -3.646
Polar
3z2-r2-7.292
x2-y2-4.457
xy2.341
xz0.882
yz0.272


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.373 1.014 0.093
y 1.014 10.266 0.031
z 0.093 0.031 6.744


<r2> (average value of r2) Å2
<r2> 188.797
(<r2>)1/2 13.740