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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-629.557408
Energy at 298.15K-629.564707
HF Energy-629.557408
Nuclear repulsion energy291.955081
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 TPSSh/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 3764 3645 44.40      
2 A 3174 3073 11.45      
3 A 3121 3022 13.65      
4 A 3060 2963 47.56      
5 A 3043 2946 10.79      
6 A 2978 2883 58.67      
7 A 1669 1616 147.15      
8 A 1502 1454 0.58      
9 A 1482 1435 2.74      
10 A 1378 1334 11.78      
11 A 1332 1290 18.90      
12 A 1290 1249 5.08      
13 A 1261 1221 20.81      
14 A 1183 1145 3.09      
15 A 1148 1112 1.33      
16 A 1128 1093 197.30      
17 A 1034 1001 18.02      
18 A 995 963 16.76      
19 A 923 893 14.30      
20 A 861 833 1.48      
21 A 721 698 44.01      
22 A 687 665 3.54      
23 A 679 658 12.23      
24 A 621 601 6.11      
25 A 531 514 3.76      
26 A 462 447 2.67      
27 A 356 345 10.87      
28 A 346 335 82.27      
29 A 251 243 7.60      
30 A 158 153 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 20566.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 19914.9 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 TPSSh/cc-pVTZ
ABC
0.15615 0.10086 0.06368

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.058 -1.266 -0.107
C2 -0.854 0.249 0.023
C3 -0.116 1.365 0.023
C4 1.359 1.123 -0.161
C5 1.604 -0.343 0.246
O6 -2.197 0.091 0.072
H7 -0.541 2.361 0.071
H8 1.971 1.785 0.457
H9 1.804 -0.423 1.315
H10 1.656 1.288 -1.204
H11 2.420 -0.806 -0.305
H12 -2.616 0.959 0.023

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77342.64012.72091.83502.63753.68033.64512.40473.20662.41513.4809
C21.77341.33792.38642.53841.35232.13543.24493.03132.98083.45621.8995
C32.64011.33791.50582.43422.43981.08372.17262.92432.15693.35502.5333
C42.72092.38641.50581.54123.70922.27891.09302.18321.09732.20693.9828
C51.83502.53842.43421.54123.82923.45562.16961.09062.18341.08854.4221
O62.63751.35232.43983.70923.82922.80944.51494.22084.23084.71850.9646
H73.68032.13541.08372.27893.45562.80942.60563.84642.75694.35212.5057
H83.64513.24492.17261.09302.16964.51492.60562.37441.76242.73804.6814
H92.40473.03132.92432.18321.09064.22083.84642.37443.04901.77514.8081
H103.20662.98082.15691.09732.18344.23082.75691.76243.04902.40444.4572
H112.41513.45623.35502.20691.08854.71854.35212.73801.77512.40445.3472
H123.48091.89952.53333.98284.42210.96462.50574.68144.80814.45725.3472

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 115.394 S1 C2 O6 114.419
S1 C5 C4 107.078 S1 C5 H9 107.841
S1 C5 H11 108.701 C2 S1 C5 89.399
C2 C3 C4 113.976 C2 C3 H7 123.383
C2 O6 H12 108.989 C3 C2 O6 130.164
C3 C4 C5 106.045 C3 C4 H8 112.467
C3 C4 H10 110.934 C4 C3 H7 122.465
C4 C5 H9 110.953 C4 C5 H11 112.995
C5 C4 H8 109.728 C5 C4 H10 110.560
H8 C4 H10 107.144 H9 C5 H11 109.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.068      
2 C 0.144      
3 C -0.237      
4 C -0.077      
5 C -0.107      
6 O -0.263      
7 H 0.088      
8 H 0.066      
9 H 0.089      
10 H 0.066      
11 H 0.079      
12 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.651 2.278 0.105 2.371
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 11.302 0.348 0.042
y 0.348 11.364 0.146
z 0.042 0.146 6.697


<r2> (average value of r2) Å2
<r2> 180.158
(<r2>)1/2 13.422