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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-627.265615
Energy at 298.15K-627.272901
Nuclear repulsion energy294.638646
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 LSDA/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 3700 3660 60.44      
2 A 3118 3084 6.12      
3 A 3061 3027 4.88      
4 A 3001 2968 21.46      
5 A 2979 2946 12.20      
6 A 2903 2871 47.08      
7 A 1667 1649 160.57      
8 A 1409 1394 1.70      
9 A 1390 1375 10.67      
10 A 1346 1331 17.00      
11 A 1283 1269 8.21      
12 A 1254 1241 46.36      
13 A 1229 1215 7.24      
14 A 1149 1137 19.01      
15 A 1109 1097 11.22      
16 A 1095 1083 150.31      
17 A 1017 1006 22.37      
18 A 963 953 5.75      
19 A 931 921 17.01      
20 A 845 836 2.36      
21 A 697 689 22.99      
22 A 692 684 26.60      
23 A 682 675 13.46      
24 A 616 609 5.30      
25 A 518 512 9.66      
26 A 461 456 2.75      
27 A 357 353 28.28      
28 A 351 347 62.77      
29 A 257 254 8.58      
30 A 179 177 2.81      

Unscaled Zero Point Vibrational Energy (zpe) 20129.3 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 19909.9 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 LSDA/cc-pVTZ
ABC
0.15916 0.10291 0.06521

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.068 -1.251 -0.119
C2 -0.848 0.239 0.028
C3 -0.111 1.355 0.034
C4 1.337 1.099 -0.187
C5 1.576 -0.322 0.279
O6 -2.175 0.082 0.078
H7 -0.547 2.354 0.087
H8 1.990 1.793 0.364
H9 1.706 -0.356 1.372
H10 1.595 1.200 -1.260
H11 2.433 -0.808 -0.202
H12 -2.595 0.957 -0.003

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.75512.61642.67131.81532.61723.66283.63232.38863.10432.40743.4613
C21.75511.33702.35772.50031.33792.13713.25312.94602.92393.45171.8891
C32.61641.33701.48712.39112.42561.09142.17192.83172.14693.34782.5154
C42.67132.35771.48711.51423.66632.28031.10102.16411.10832.19973.9385
C51.81532.50032.39111.51423.77833.42092.15671.10062.16461.09704.3714
O62.61721.33792.42563.66633.77832.79554.51264.11434.15404.70210.9740
H73.66282.13711.09142.28033.42092.79552.61323.75102.78114.35482.4804
H83.63233.25312.17191.10102.15674.51262.61322.39101.77372.69874.6750
H92.38862.94602.83172.16411.10064.11433.75102.39103.05951.79184.7021
H103.10432.92392.14691.10832.16464.15402.78111.77373.05952.41964.3806
H112.40743.45173.34782.19971.09704.70214.35482.69871.79182.41965.3325
H123.46131.88912.51543.93854.37140.97402.48044.67504.70214.38065.3325

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 114.915 S1 C2 O6 114.922
S1 C5 C4 106.349 S1 C5 H9 107.459
S1 C5 H11 109.000 C2 S1 C5 88.880
C2 C3 C4 113.092 C2 C3 H7 122.977
C2 O6 H12 108.570 C3 C2 O6 130.131
C3 C4 C5 105.624 C3 C4 H8 113.267
C3 C4 H10 110.774 C4 C3 H7 123.618
C4 C5 H9 110.720 C4 C5 H11 113.836
C5 C4 H8 110.110 C5 C4 H10 110.304
H8 C4 H10 106.801 H9 C5 H11 109.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.006      
2 C 0.073      
3 C -0.253      
4 C -0.202      
5 C -0.242      
6 O -0.208      
7 H 0.117      
8 H 0.115      
9 H 0.137      
10 H 0.113      
11 H 0.127      
12 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.473 2.210 0.080 2.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.254 -4.751 0.756
y -4.751 -42.339 -0.150
z 0.756 -0.150 -45.225
Traceless
 xyz
x 6.528 -4.751 0.756
y -4.751 -1.099 -0.150
z 0.756 -0.150 -5.429
Polar
3z2-r2-10.858
x2-y25.085
xy-4.751
xz0.756
yz-0.150


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.510 0.277 0.018
y 0.277 11.568 0.153
z 0.018 0.153 6.927


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