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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-ol)

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-629.304740
Energy at 298.15K-629.311781
HF Energy-629.304740
Nuclear repulsion energy283.996731
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 BLYP/6-31G*
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 3573 3544 14.19      
2 A 3095 3070 21.23      
3 A 3006 2982 13.09      
4 A 2982 2958 20.56      
5 A 2974 2950 38.42      
6 A 2956 2932 56.25      
7 A 1683 1669 85.05      
8 A 1487 1475 5.42      
9 A 1482 1470 3.19      
10 A 1390 1379 0.31      
11 A 1250 1240 0.36      
12 A 1243 1233 47.72      
13 A 1201 1191 1.02      
14 A 1136 1127 194.19      
15 A 1117 1108 0.23      
16 A 1102 1093 3.34      
17 A 995 987 13.96      
18 A 950 942 0.30      
19 A 881 874 2.23      
20 A 861 854 0.10      
21 A 735 730 39.30      
22 A 731 725 10.67      
23 A 679 673 1.68      
24 A 571 566 0.09      
25 A 469 465 4.35      
26 A 459 455 0.48      
27 A 408 405 97.65      
28 A 366 363 10.84      
29 A 223 221 4.06      
30 A 86 86 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 20045.2 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 19882.8 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 BLYP/6-31G*
ABC
0.19495 0.07707 0.05642

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.568 -0.525 -0.000
C2 0.161 -1.193 0.000
C3 1.067 0.024 -0.000
C4 0.483 1.242 -0.000
C5 -1.030 1.265 0.000
O6 2.403 -0.284 -0.000
H7 0.343 -1.818 0.891
H8 1.043 2.183 -0.000
H9 -1.442 1.773 -0.889
H10 0.343 -1.819 -0.890
H11 -1.441 1.773 0.890
H12 2.927 0.541 0.003

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.85352.69162.70721.86923.97832.47373.76172.46692.47362.46704.6198
C21.85351.51792.45662.73192.41991.10303.48983.48691.10303.48643.2653
C32.69161.51791.35052.43691.37092.17092.15893.18492.17103.18451.9306
C42.70722.45661.35051.51352.45213.19051.09502.18603.19072.18602.5424
C51.86922.73192.43691.51353.76633.49112.26721.10393.49161.10394.0229
O63.97832.41991.37092.45213.76632.71912.81644.44992.71904.44960.9772
H72.47371.10302.17093.19053.49112.71914.15884.38771.78034.00983.6103
H83.76173.48982.15891.09502.26722.81644.15882.67094.15902.67122.4989
H92.46693.48693.18492.18601.10394.44994.38772.67094.01091.77984.6261
H102.47361.10302.17103.19073.49162.71901.78034.15904.01094.38763.6117
H112.46703.48643.18452.18601.10394.44964.00982.67121.77984.38764.6247
H124.61983.26531.93062.54244.02290.97723.61032.49894.62613.61174.6247

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.517 S1 C2 H7 111.024
S1 C2 H10 111.014 S1 C5 C4 105.841
S1 C5 H9 109.433 S1 C5 H11 109.440
C2 S1 C5 94.420 C2 C3 C4 117.723
C2 C3 O6 113.697 C3 C2 H7 110.856
C3 C2 H10 110.863 C3 C4 C5 116.499
C3 C4 H8 123.629 C3 O6 H12 109.470
C4 C3 O6 128.581 C4 C5 H9 112.324
C4 C5 H11 112.326 C5 C4 H8 119.871
H7 C2 H10 107.609 H9 C5 H11 107.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.066      
2 C -0.430      
3 C 0.333      
4 C -0.138      
5 C -0.414      
6 O -0.575      
7 H 0.173      
8 H 0.098      
9 H 0.162      
10 H 0.173      
11 H 0.162      
12 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.992 1.813 0.001 2.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.270 1.599 0.001
y 1.599 -38.890 -0.000
z 0.001 -0.000 -44.619
Traceless
 xyz
x -0.515 1.599 0.001
y 1.599 4.554 -0.000
z 0.001 -0.000 -4.039
Polar
3z2-r2-8.078
x2-y2-3.380
xy1.599
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.469 -0.536 0.000
y -0.536 10.341 0.000
z 0.000 0.000 5.498


<r2> (average value of r2) Å2
<r2> 194.720
(<r2>)1/2 13.954