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All results from a given calculation for C4H6OS (2,3-dihydrothiophene-2-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-627.434107
Energy at 298.15K-627.441818
HF Energy-627.434107
Nuclear repulsion energy297.128476
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 4169 3779 72.90      
2 A 3374 3058 8.46      
3 A 3337 3024 3.08      
4 A 3230 2927 16.39      
5 A 3219 2918 47.01      
6 A 3165 2869 24.57      
7 A 1794 1626 7.73      
8 A 1593 1444 2.76      
9 A 1515 1373 6.24      
10 A 1476 1338 5.01      
11 A 1449 1314 27.94      
12 A 1408 1276 80.55      
13 A 1339 1213 49.59      
14 A 1293 1172 16.09      
15 A 1216 1103 2.21      
16 A 1178 1068 60.45      
17 A 1091 989 30.68      
18 A 1059 960 1.24      
19 A 1012 917 32.50      
20 A 945 857 16.94      
21 A 887 804 15.77      
22 A 826 749 26.57      
23 A 761 690 46.76      
24 A 707 641 6.37      
25 A 615 557 1.25      
26 A 462 419 5.83      
27 A 411 372 4.36      
28 A 388 351 13.37      
29 A 265 240 137.91      
30 A 139 126 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 22160.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 20086.0 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
0.13609 0.11476 0.07474

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 -0.343 -1.257 0.220
C2 0.939 0.039 0.405
C3 0.171 1.354 0.501
C4 -1.127 1.170 -0.238
C5 -1.489 -0.077 -0.412
O6 1.777 0.100 -0.706
H7 1.513 -0.183 1.293
H8 0.785 2.146 0.092
H9 -1.721 1.999 -0.563
H10 -2.388 -0.415 -0.883
H11 -0.031 1.595 1.540
H12 2.141 -0.747 -0.887

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.83192.67582.59121.76262.68202.39663.58683.62202.47203.15752.7665
C21.83191.52642.44152.56461.39301.07972.13563.44393.59662.15651.9315
C32.67581.52641.50452.37392.36862.18901.08182.26453.40471.08583.1971
C42.59122.44151.50451.30973.13003.33782.17141.07122.12552.13153.8434
C51.76262.56462.37391.30973.28413.45353.21922.09471.06982.95463.7215
O62.68201.39302.36863.13003.28412.03582.41003.98374.20063.24810.9392
H72.39661.07972.18903.33783.45352.03582.71954.32054.47242.36772.3372
H83.58682.13561.08182.17143.21922.41002.71952.59444.19211.75093.3416
H93.62203.44392.26451.07122.09473.98374.32052.59442.52512.72834.7503
H102.47203.59663.40472.12551.06984.20064.47244.19212.52513.93254.5409
H113.15752.15651.08582.13152.95463.24812.36771.75092.72833.93254.0114
H122.76651.93153.19713.84343.72150.93922.33723.34164.75034.54094.0114

picture of 2,3-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.282 S1 C2 O6 111.813
S1 C2 H7 107.992 S1 C5 C4 114.190
S1 C5 H10 119.536 C2 S1 C5 91.012
C2 C3 C4 107.324 C2 C3 H8 108.738
C2 C3 H11 110.148 C2 O6 H12 110.302
C3 C2 O6 108.365 C3 C2 H7 113.151
C3 C4 C5 114.856 C3 C4 H9 122.189
C4 C3 H8 113.177 C4 C3 H11 109.687
C4 C5 H10 126.273 C5 C4 H9 122.919
O6 C2 H7 110.191 H8 C3 H11 107.760
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 -0.069      
2 C 0.203      
3 C -0.002      
4 C -0.212      
5 C -0.067      
6 O -0.407      
7 H 0.059      
8 H 0.072      
9 H 0.077      
10 H 0.089      
11 H 0.054      
12 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.090 0.509 0.483 0.708
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.645 -3.513 3.037
y -3.513 -42.303 2.190
z 3.037 2.190 -44.479
Traceless
 xyz
x 2.746 -3.513 3.037
y -3.513 0.260 2.190
z 3.037 2.190 -3.006
Polar
3z2-r2-6.011
x2-y21.658
xy-3.513
xz3.037
yz2.190


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.530 0.157 0.565
y 0.157 11.029 0.056
z 0.565 0.056 7.381


<r2> (average value of r2) Å2
<r2> 167.557
(<r2>)1/2 12.944