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All results from a given calculation for C4H6OS (4,5-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-629.115525
Energy at 298.15K-629.108511
HF Energy-629.416921
Nuclear repulsion energy290.625558
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 3730 3582 34.97      
2 A 3197 3070 12.13      
3 A 3148 3023 13.46      
4 A 3087 2965 41.62      
5 A 3066 2944 16.20      
6 A 3003 2883 56.34      
7 A 1705 1637 144.99      
8 A 1527 1466 1.48      
9 A 1507 1447 1.89      
10 A 1397 1342 15.32      
11 A 1350 1297 25.28      
12 A 1312 1259 6.54      
13 A 1279 1228 22.23      
14 A 1201 1154 2.84      
15 A 1165 1119 0.58      
16 A 1153 1107 201.60      
17 A 1047 1006 12.54      
18 A 1009 969 15.65      
19 A 928 891 11.87      
20 A 873 838 1.74      
21 A 724 696 43.93      
22 A 691 664 4.07      
23 A 679 652 14.19      
24 A 625 600 7.06      
25 A 533 512 0.58      
26 A 471 452 2.92      
27 A 360 346 9.57      
28 A 346 333 103.69      
29 A 253 243 7.77      
30 A 155 149 2.02      

Unscaled Zero Point Vibrational Energy (zpe) 20760.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19936.7 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 B3LYP/6-31G*
ABC
0.15436 0.10014 0.06307

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 0.060 -1.275 -0.110
C2 -0.858 0.250 0.019
C3 -0.120 1.370 0.022
C4 1.358 1.128 -0.165
C5 1.614 -0.336 0.253
O6 -2.204 0.091 0.079
H7 -0.549 2.367 0.078
H8 1.978 1.801 0.440
H9 1.806 -0.408 1.328
H10 1.652 1.283 -1.215
H11 2.443 -0.799 -0.287
H12 -2.619 0.966 0.008

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.78482.65452.73181.85192.65083.69733.66672.42233.20982.43663.4948
C21.78481.34092.39032.55141.35692.13993.25933.03992.98173.47701.9010
C32.65451.34091.50932.44352.44581.08662.18192.92772.16343.37172.5311
C42.73182.39031.50931.54383.71782.28661.09712.18751.10172.21473.9836
C51.85192.55142.44351.54383.84603.46612.17601.09412.18581.09204.4356
O62.65081.35692.44583.71783.84602.81434.53234.22934.23874.74550.9714
H73.69732.13991.08662.28663.46612.81432.61393.84712.77334.37092.5003
H83.66673.25932.18191.09712.17604.53232.61392.38641.76492.73984.6914
H92.42233.03992.92772.18751.09414.22933.84712.38643.05731.77954.8172
H103.20982.98172.16341.10172.18584.23872.77331.76493.05732.41274.4541
H112.43663.47703.37172.21471.09204.74554.37092.73981.77952.41275.3688
H123.49481.90102.53113.98364.43560.97142.50034.69144.81724.45415.3688

picture of 4,5-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 115.471 S1 C2 O6 114.382
S1 C5 C4 107.152 S1 C5 H9 108.202
S1 C5 H11 109.059 C2 S1 C5 89.354
C2 C3 C4 114.066 C2 C3 H7 123.452
C2 O6 H12 108.971 C3 C2 O6 130.137
C3 C4 C5 106.224 C3 C4 H8 112.578
C3 C4 H10 110.906 C4 C3 H7 122.335
C4 C5 H9 110.745 C4 C5 H11 112.860
C5 C4 H8 109.838 C5 C4 H10 110.480
H8 C4 H10 106.856 H9 C5 H11 108.705
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 0.132      
2 C 0.160      
3 C -0.170      
4 C -0.290      
5 C -0.426      
6 O -0.601      
7 H 0.122      
8 H 0.148      
9 H 0.184      
10 H 0.153      
11 H 0.175      
12 H 0.413      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.651 2.483 0.123 2.570
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