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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-629.117313
Energy at 298.15K-629.110348
HF Energy-629.414909
Nuclear repulsion energy293.316868
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/6-31G*
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 3739 3591 23.82      
2 A 3243 3115 9.22      
3 A 3210 3082 2.83      
4 A 3097 2974 10.74      
5 A 3063 2941 54.64      
6 A 3030 2909 16.70      
7 A 1665 1599 9.43      
8 A 1493 1434 2.35      
9 A 1418 1362 6.38      
10 A 1360 1306 3.40      
11 A 1336 1283 27.67      
12 A 1299 1247 80.89      
13 A 1240 1190 30.57      
14 A 1199 1152 14.72      
15 A 1135 1090 1.86      
16 A 1076 1033 74.93      
17 A 1014 974 12.60      
18 A 947 909 30.91      
19 A 919 882 0.27      
20 A 883 848 21.11      
21 A 821 788 21.27      
22 A 760 730 28.28      
23 A 681 654 36.68      
24 A 643 617 14.59      
25 A 549 527 1.30      
26 A 425 408 11.37      
27 A 378 363 5.26      
28 A 367 352 50.19      
29 A 292 281 109.15      
30 A 126 121 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 20702.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19880.9 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/6-31G*
ABC
0.13271 0.11211 0.07266

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.422 -1.266 0.211
C2 0.949 -0.004 0.411
C3 0.248 1.361 0.492
C4 -1.071 1.247 -0.232
C5 -1.508 -0.002 -0.408
O6 1.812 0.025 -0.701
H7 1.485 -0.263 1.331
H8 0.914 2.115 0.058
H9 -1.628 2.124 -0.548
H10 -2.441 -0.302 -0.873
H11 0.081 1.635 1.544
H12 2.145 -0.874 -0.853

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.87422.72592.63311.77742.73722.42913.63903.67702.48543.23212.8068
C21.87421.53712.46112.58941.40811.09672.14863.47673.63632.17351.9452
C32.72591.53711.50812.39782.37852.20811.09592.27603.44271.10003.2257
C42.63312.46111.50811.33523.16633.35532.18571.08572.16472.15203.9023
C51.77742.58942.39781.33523.33303.47173.25052.13371.08423.00253.7820
O62.73721.40812.37853.16633.33302.07892.39814.03304.26853.26050.9705
H72.42911.09672.20813.35533.47172.07892.75744.34994.50232.37052.3618
H83.63902.14861.09592.18573.25052.39812.75742.61384.23801.77033.3583
H93.67703.47672.27601.08572.13374.03304.34992.61382.57832.74524.8290
H102.48543.63633.44272.16471.08424.26854.50234.23802.57833.99374.6214
H113.23212.17351.10002.15203.00253.26052.37051.77032.74523.99374.0373
H122.80681.94523.22573.90233.78200.97052.36183.35834.82904.62144.0373

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 106.099 S1 C2 O6 113.925
S1 C2 H7 105.848 S1 C5 C4 115.169
S1 C5 H10 118.524 C2 S1 C5 90.055
C2 C3 C4 107.498 C2 C3 H8 107.935
C2 C3 H11 110.259 C2 O6 H12 109.378
C3 C2 O6 109.537 C3 C2 H7 110.134
C3 C4 C5 114.996 C3 C4 H9 121.705
C4 C3 H8 110.547 C4 C3 H11 113.238
C4 C5 H10 126.306 C5 C4 H9 123.190
O6 C2 H7 111.118 H8 C3 H11 107.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.095      
2 C -0.038      
3 C -0.305      
4 C -0.078      
5 C -0.287      
6 O -0.588      
7 H 0.155      
8 H 0.177      
9 H 0.142      
10 H 0.169      
11 H 0.160      
12 H 0.400      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.268 0.442 0.519 0.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


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