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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-627.440454
Energy at 298.15K-627.448110
HF Energy-627.440454
Nuclear repulsion energy290.354718
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 HF/Def2TZVPP
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 4162 3772 85.19      
2 A 3310 3000 17.85      
3 A 3237 2934 8.66      
4 A 3218 2917 15.34      
5 A 3199 2899 39.11      
6 A 3187 2889 53.58      
7 A 1878 1702 140.09      
8 A 1629 1476 2.34      
9 A 1616 1465 5.22      
10 A 1536 1392 5.10      
11 A 1411 1279 5.23      
12 A 1396 1265 65.08      
13 A 1322 1198 16.10      
14 A 1274 1154 203.74      
15 A 1258 1141 0.27      
16 A 1235 1119 7.12      
17 A 1081 980 13.26      
18 A 1056 957 1.43      
19 A 990 898 0.71      
20 A 950 861 0.28      
21 A 886 803 48.72      
22 A 847 768 18.42      
23 A 784 711 2.40      
24 A 657 595 0.63      
25 A 543 493 0.49      
26 A 517 468 0.55      
27 A 414 375 12.48      
28 A 403 366 108.80      
29 A 264 240 6.47      
30 A 100 91 3.22      

Unscaled Zero Point Vibrational Energy (zpe) 22179.7 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 20103.7 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 HF/Def2TZVPP
ABC
0.20443 0.08035 0.05893

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.542 -0.504 0.000
C2 -0.146 -1.175 0.000
C3 -1.043 0.018 -0.000
C4 -0.491 1.207 -0.000
C5 1.005 1.243 0.000
O6 -2.357 -0.279 -0.000
H7 -0.319 -1.784 -0.876
H8 -1.059 2.118 -0.000
H9 1.405 1.738 0.875
H10 -0.320 -1.784 0.876
H11 1.405 1.738 -0.874
H12 -2.873 0.507 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.81582.63692.65691.82773.90492.42263.69312.41072.42262.41074.5288
C21.81581.49312.40692.67822.38591.08083.41773.41401.08083.41423.2042
C32.63691.49311.31062.38671.34682.13042.10033.11692.13033.11701.8940
C42.65692.40691.31061.49682.38473.12121.07382.15453.12112.15452.4825
C51.82772.67822.38671.49683.69043.41862.24191.08153.41831.08153.9475
O63.90492.38591.34682.38473.69042.68022.72594.35672.68034.35680.9399
H72.42261.08082.13043.12123.41862.68024.06734.29461.75193.92193.5404
H83.69313.41772.10031.07382.24192.72594.06732.64174.06712.64162.4266
H92.41073.41403.11692.15451.08154.35674.29462.64173.92131.74924.5366
H102.42261.08082.13033.12113.41832.68031.75194.06713.92134.29453.5407
H112.41073.41423.11702.15451.08154.35683.92192.64161.74924.29454.5365
H124.52883.20421.89402.48253.94750.93993.54042.42664.53663.54074.5365

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 105.258 S1 C2 H7 110.951
S1 C2 H10 110.953 S1 C5 C4 105.672
S1 C5 H9 109.220 S1 C5 H11 109.217
C2 S1 C5 94.624 C2 C3 C4 118.147
C2 C3 O6 114.217 C3 C2 H7 110.706
C3 C2 H10 110.704 C3 C4 C5 116.299
C3 C4 H8 123.185 C3 O6 H12 110.585
C4 C3 O6 127.636 C4 C5 H9 112.360
C4 C5 H11 112.362 C5 C4 H8 120.516
H7 C2 H10 108.279 H9 C5 H11 107.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.093      
2 C -0.027      
3 C 0.189      
4 C -0.177      
5 C -0.045      
6 O -0.401      
7 H 0.073      
8 H 0.052      
9 H 0.068      
10 H 0.073      
11 H 0.068      
12 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.791 1.822 -0.001 2.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.621 -1.553 0.002
y -1.553 -39.242 -0.001
z 0.002 -0.001 -45.173
Traceless
 xyz
x -1.413 -1.553 0.002
y -1.553 5.155 -0.001
z 0.002 -0.001 -3.742
Polar
3z2-r2-7.484
x2-y2-4.379
xy-1.553
xz0.002
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.328 0.577 0.000
y 0.577 10.693 -0.000
z 0.000 -0.000 6.641


<r2> (average value of r2) Å2
<r2> 188.122
(<r2>)1/2 13.716