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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-2-ol)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-629.400818
Energy at 298.15K-629.407999
HF Energy-629.400818
Nuclear repulsion energy291.035253
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 B97D3/cc-pVTZ
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 3720 3668 38.60      
2 A 3131 3088 13.11      
3 A 3077 3034 16.13      
4 A 3013 2971 54.65      
5 A 2997 2955 11.60      
6 A 2926 2885 67.22      
7 A 1632 1609 142.11      
8 A 1465 1444 0.54      
9 A 1446 1426 2.75      
10 A 1354 1335 12.60      
11 A 1304 1285 19.79      
12 A 1263 1245 4.40      
13 A 1234 1217 16.70      
14 A 1160 1143 2.56      
15 A 1128 1112 1.60      
16 A 1103 1087 193.36      
17 A 1015 1001 17.91      
18 A 977 963 17.95      
19 A 903 890 13.38      
20 A 848 836 1.70      
21 A 687 678 36.87      
22 A 667 657 7.49      
23 A 661 652 12.67      
24 A 610 602 8.11      
25 A 514 507 5.85      
26 A 461 454 2.46      
27 A 355 350 7.80      
28 A 332 327 78.48      
29 A 244 241 8.86      
30 A 154 152 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 20189.5 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 19906.8 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 B97D3/cc-pVTZ
ABC
0.15511 0.10024 0.06325

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.061 -1.271 -0.109
C2 -0.856 0.246 0.023
C3 -0.117 1.368 0.029
C4 1.356 1.124 -0.169
C5 1.612 -0.334 0.253
O6 -2.206 0.090 0.075
H7 -0.548 2.363 0.080
H8 1.982 1.799 0.427
H9 1.793 -0.405 1.330
H10 1.640 1.271 -1.223
H11 2.438 -0.804 -0.284
H12 -2.610 0.966 0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77802.64932.72391.84812.65073.69023.66092.41303.19272.42863.4861
C21.77801.34332.38742.54561.36012.13973.25943.02452.97133.47031.8966
C32.64931.34331.50632.43712.44931.08562.17912.91292.15953.36782.5258
C42.72392.38741.50631.54003.71702.28581.09612.18511.10152.21363.9733
C51.84812.54562.43711.54003.84563.46062.17191.09362.18111.09114.4254
O62.65071.36012.44933.71703.84562.81304.53644.22054.22674.74240.9674
H73.69022.13971.08562.28583.46062.81302.61573.83512.77134.36802.4920
H83.66093.25942.17911.09612.17194.53642.61572.38861.76622.73594.6865
H92.41303.02452.91292.18511.09364.22053.83512.38863.05731.78254.7997
H103.19272.97132.15951.10152.18114.22672.77131.76623.05732.41284.4331
H112.42863.47033.36782.21361.09114.74244.36802.73591.78252.41285.3568
H123.48611.89662.52583.97334.42540.96742.49204.68654.79974.43315.3568

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 115.295 S1 C2 O6 114.715
S1 C5 C4 106.599 S1 C5 H9 107.554
S1 C5 H11 109.127 C2 S1 C5 89.434
C2 C3 C4 113.560 C2 C3 H7 123.174
C2 O6 H12 107.949 C3 C2 O6 129.976
C3 C4 C5 106.263 C3 C4 H8 112.865
C3 C4 H10 110.857 C4 C3 H7 122.996
C4 C5 H9 110.630 C4 C5 H11 113.488
C5 C4 H8 109.843 C5 C4 H10 110.045
H8 C4 H10 106.987 H9 C5 H11 109.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.048      
2 C 0.133      
3 C -0.243      
4 C -0.106      
5 C -0.135      
6 O -0.243      
7 H 0.093      
8 H 0.076      
9 H 0.097      
10 H 0.074      
11 H 0.090      
12 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.596 2.199 0.080 2.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.460 -4.616 0.685
y -4.616 -42.244 -0.116
z 0.685 -0.116 -44.885
Traceless
 xyz
x 6.104 -4.616 0.685
y -4.616 -1.071 -0.116
z 0.685 -0.116 -5.033
Polar
3z2-r2-10.066
x2-y24.784
xy-4.616
xz0.685
yz-0.116


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.559 0.329 0.033
y 0.329 11.604 0.145
z 0.033 0.145 6.806


<r2> (average value of r2) Å2
<r2> 181.206
(<r2>)1/2 13.461