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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-3-ol)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-629.395759
Energy at 298.15K-629.402778
HF Energy-629.395759
Nuclear repulsion energy288.202225
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 B97D3/6-311+G(3df,2p)
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 3770 3721 55.57      
2 A 3176 3135 5.99      
3 A 3074 3034 12.15      
4 A 3001 2962 42.35      
5 A 2975 2936 14.77      
6 A 2928 2890 58.60      
7 A 1657 1636 39.84      
8 A 1454 1435 3.55      
9 A 1440 1421 3.46      
10 A 1329 1312 113.11      
11 A 1284 1268 26.99      
12 A 1257 1241 30.96      
13 A 1202 1186 5.62      
14 A 1163 1148 13.80      
15 A 1131 1117 87.99      
16 A 1120 1105 16.75      
17 A 986 973 2.63      
18 A 966 954 1.08      
19 A 893 881 18.80      
20 A 802 791 36.64      
21 A 793 783 1.24      
22 A 764 754 26.51      
23 A 652 644 2.23      
24 A 533 526 3.02      
25 A 493 487 2.11      
26 A 434 428 10.99      
27 A 371 367 3.60      
28 A 259 256 51.94      
29 A 210 207 40.87      
30 A 156 154 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 20136.2 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 19874.4 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 B97D3/6-311+G(3df,2p)
ABC
0.20044 0.07876 0.05851

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.557 -0.545 -0.082
C2 0.105 -1.122 0.076
C3 1.030 -0.153 0.021
C4 0.487 1.238 -0.201
C5 -0.986 1.184 0.226
O6 2.380 -0.395 0.021
H7 0.301 -2.183 0.155
H8 1.031 1.997 0.377
H9 -1.625 1.874 -0.326
H10 0.587 1.502 -1.266
H11 -1.083 1.379 1.299
H12 2.847 0.435 0.172

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.76612.61872.71501.84643.94162.48823.65642.43273.19212.41504.5189
C21.76611.34092.40672.55522.38951.08233.26733.48282.98653.02633.1548
C32.61871.34091.50992.42801.37192.16152.17933.35832.14302.90571.9157
C42.71502.40671.50991.53502.51053.44501.09832.20871.10152.17552.5208
C51.84642.55522.42801.53503.72433.60532.18011.09072.19171.09413.9062
O63.94162.38951.37192.51053.72432.74602.76964.61642.91094.09540.9642
H72.48821.08232.16153.44503.60532.74604.24944.51703.96033.98893.6525
H83.65643.26732.17931.09832.18012.76964.24942.74951.77242.38702.4043
H92.43273.48283.35832.20871.09074.61644.51702.74952.43151.78304.7238
H103.19212.98652.14301.10152.19172.91093.96031.77242.43153.06262.8832
H112.41503.02632.90572.17551.09414.09543.98892.38701.78303.06264.1957
H124.51893.15481.91572.52083.90620.96423.65252.40434.72382.88324.1957

picture of 4,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 114.019 S1 C2 H7 120.048
S1 C5 C4 106.426 S1 C5 H9 109.315
S1 C5 H11 107.641 C2 S1 C5 90.110
C2 C3 C4 115.014 C2 C3 O6 123.352
C3 C2 H7 125.874 C3 C4 C5 105.752
C3 C4 H8 112.468 C3 C4 H10 109.239
C3 O6 H12 108.885 C4 C3 C5 37.471
C4 C5 H9 113.537 C4 C5 H11 110.406
C5 C4 H8 110.735 C5 C4 H10 111.363
H8 C4 H10 107.334 H9 C5 H11 109.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.417      
2 C 0.109      
3 C 0.289      
4 C 0.089      
5 C -0.321      
6 O -0.638      
7 H 0.116      
8 H 0.116      
9 H 0.132      
10 H 0.136      
11 H 0.148      
12 H 0.241      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.281 2.673 0.365 2.987
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.673 2.123 0.493
y 2.123 -39.537 0.292
z 0.493 0.292 -45.308
Traceless
 xyz
x -1.251 2.123 0.493
y 2.123 4.954 0.292
z 0.493 0.292 -3.703
Polar
3z2-r2-7.406
x2-y2-4.136
xy2.123
xz0.493
yz0.292


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.273 0.939 0.047
y 0.939 11.297 -0.123
z 0.047 -0.123 8.334


<r2> (average value of r2) Å2
<r2> 190.186
(<r2>)1/2 13.791