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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-629.385182
Energy at 298.15K-629.392340
HF Energy-629.385182
Nuclear repulsion energy292.829862
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/TZVP
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 3726 3673 24.26      
2 A 3174 3128 7.87      
3 A 3143 3098 2.39      
4 A 3036 2992 10.48      
5 A 2999 2956 53.12      
6 A 2966 2923 18.27      
7 A 1600 1577 14.33      
8 A 1434 1413 4.51      
9 A 1364 1344 3.32      
10 A 1310 1291 2.06      
11 A 1294 1275 20.60      
12 A 1255 1237 70.08      
13 A 1198 1181 19.77      
14 A 1154 1137 17.65      
15 A 1103 1087 1.20      
16 A 1018 1003 76.68      
17 A 983 969 9.94      
18 A 914 901 37.62      
19 A 879 867 0.43      
20 A 848 836 36.27      
21 A 801 789 22.88      
22 A 738 727 28.67      
23 A 653 644 41.11      
24 A 622 613 17.82      
25 A 527 519 2.25      
26 A 415 409 5.93      
27 A 368 363 7.08      
28 A 352 347 29.13      
29 A 244 240 135.02      
30 A 127 126 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 20122.1 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 19832.3 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/TZVP
ABC
0.13222 0.11147 0.07248

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.443 -1.264 0.213
C2 0.950 -0.012 0.413
C3 0.259 1.355 0.500
C4 -1.051 1.262 -0.235
C5 -1.505 0.018 -0.417
O6 1.822 0.007 -0.703
H7 1.482 -0.283 1.333
H8 0.932 2.113 0.083
H9 -1.594 2.147 -0.555
H10 -2.439 -0.272 -0.886
H11 0.082 1.613 1.555
H12 2.126 -0.897 -0.865

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.88362.72662.63611.77932.75422.43353.64833.68012.48473.21712.8100
C21.88361.53392.45882.59131.41671.09712.15023.47353.63832.16681.9496
C32.72661.53391.50522.39592.38912.20731.09592.27433.44191.10053.2284
C42.63612.45881.50521.33663.17023.35572.18151.08602.16842.14753.8928
C51.77932.59132.39591.33663.33963.47443.25252.13501.08462.99153.7713
O62.75421.41672.38913.17023.33962.08512.41764.03374.27403.27180.9678
H72.43351.09712.20733.35573.47442.08512.75784.35034.50502.36632.3720
H83.64832.15021.09592.18153.25252.41762.75782.60574.24141.77223.3743
H93.68013.47352.27431.08602.13504.03374.35032.60572.58302.74694.8168
H102.48473.63833.44192.16841.08464.27404.50504.24142.58303.98314.6074
H113.21712.16681.10052.14752.99153.27182.36631.77222.74693.98314.0415
H122.81001.94963.22843.89283.77130.96782.37203.37434.81684.60744.0415

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 105.389 S1 C2 O6 112.365
S1 C2 H7 106.453 S1 C5 C4 114.817
S1 C5 H10 118.327 C2 S1 C5 90.008
C2 C3 C4 108.002 C2 C3 H8 108.547
C2 C3 H11 109.574 C2 O6 H12 108.219
C3 C2 O6 108.066 C3 C2 H7 113.011
C3 C4 C5 114.807 C3 C4 H9 121.896
C4 C3 H8 113.059 C4 C3 H11 110.039
C4 C5 H10 126.850 C5 C4 H9 123.258
O6 C2 H7 111.460 H8 C3 H11 107.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.027      
2 C -0.154      
3 C -0.121      
4 C -0.179      
5 C -0.141      
6 O -0.306      
7 H 0.144      
8 H 0.127      
9 H 0.120      
10 H 0.153      
11 H 0.118      
12 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.256 0.327 0.608 0.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.533 -3.665 3.008
y -3.665 -41.596 1.830
z 3.008 1.830 -44.505
Traceless
 xyz
x 2.517 -3.665 3.008
y -3.665 0.923 1.830
z 3.008 1.830 -3.440
Polar
3z2-r2-6.881
x2-y21.063
xy-3.665
xz3.008
yz1.830


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.620 0.160 0.678
y 0.160 11.782 -0.042
z 0.678 -0.042 7.721


<r2> (average value of r2) Å2
<r2> 171.564
(<r2>)1/2 13.098