return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-629.442736
Energy at 298.15K-629.450035
Nuclear repulsion energy293.221005
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 B3LYP/6-31+G**
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 3814 3677 37.18      
2 A 3239 3123 5.96      
3 A 3206 3091 1.97      
4 A 3092 2982 8.26      
5 A 3069 2959 37.82      
6 A 3025 2917 18.58      
7 A 1647 1588 13.72      
8 A 1466 1414 5.08      
9 A 1385 1335 4.02      
10 A 1346 1298 3.21      
11 A 1320 1273 16.64      
12 A 1278 1232 75.21      
13 A 1224 1180 34.59      
14 A 1179 1137 16.73      
15 A 1126 1086 1.29      
16 A 1056 1018 78.82      
17 A 1006 970 13.15      
18 A 938 904 38.62      
19 A 916 884 0.39      
20 A 873 842 30.69      
21 A 817 787 20.79      
22 A 759 732 28.18      
23 A 678 653 49.54      
24 A 642 619 14.76      
25 A 552 532 1.43      
26 A 422 407 6.60      
27 A 378 365 6.06      
28 A 360 347 31.70      
29 A 269 259 139.06      
30 A 130 126 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 20604.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 19866.9 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 B3LYP/6-31+G**
ABC
0.13286 0.11183 0.07251

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.406 -1.268 0.212
C2 0.944 0.006 0.414
C3 0.230 1.366 0.487
C4 -1.090 1.235 -0.232
C5 -1.511 -0.021 -0.409
O6 1.821 0.041 -0.696
H7 1.485 -0.242 1.333
H8 0.886 2.123 0.043
H9 -1.660 2.103 -0.548
H10 -2.439 -0.334 -0.872
H11 0.064 1.646 1.537
H12 2.150 -0.851 -0.875

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.86762.72412.63291.77772.73782.42653.63333.67612.48603.23532.8085
C21.86761.53722.46212.58901.41471.09532.14983.47853.63532.17301.9623
C32.72411.53721.50852.39992.38412.20821.09552.27753.44461.09933.2332
C42.63292.46211.50851.33743.18023.35562.18361.08532.16712.15083.9064
C51.77772.58902.39991.33743.34463.47263.24812.13401.08373.00733.7822
O62.73781.41472.38413.18023.34462.07562.39914.04844.28043.26280.9671
H72.42651.09532.20823.35563.47262.07562.75964.35064.50242.37142.3852
H83.63332.14981.09552.18363.24812.39912.75962.61424.23531.77073.3593
H93.67613.47852.27751.08532.13404.04844.35062.61422.57922.74374.8316
H102.48603.63533.44462.16711.08374.28044.50244.23532.57923.99844.6181
H113.23532.17301.09932.15083.00733.26282.37141.77072.74373.99844.0497
H122.80851.96233.23323.90643.78220.96712.38523.35934.83164.61814.0497

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 105.868 S1 C2 O6 112.320
S1 C2 H7 107.061 S1 C5 C4 114.655
S1 C5 H10 118.621 C2 S1 C5 90.474
C2 C3 C4 107.873 C2 C3 H8 108.317
C2 C3 H11 109.898 C2 O6 H12 109.516
C3 C2 O6 107.661 C3 C2 H7 112.957
C3 C4 C5 114.845 C3 C4 H9 121.974
C4 C3 H8 113.026 C4 C3 H11 110.135
C4 C5 H10 126.720 C5 C4 H9 123.155
O6 C2 H7 110.935 H8 C3 H11 107.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.011      
2 C -0.106      
3 C -0.340      
4 C -0.013      
5 C -0.205      
6 O -0.466      
7 H 0.158      
8 H 0.176      
9 H 0.137      
10 H 0.160      
11 H 0.163      
12 H 0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.078 0.374 0.673 0.774
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.108 -3.794 3.226
y -3.794 -42.194 2.023
z 3.226 2.023 -45.230
Traceless
 xyz
x 2.604 -3.794 3.226
y -3.794 0.975 2.023
z 3.226 2.023 -3.579
Polar
3z2-r2-7.159
x2-y21.086
xy-3.794
xz3.226
yz2.023


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.538 0.143 0.437
y 0.143 11.921 0.042
z 0.437 0.042 8.283


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000