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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-629.080717
Energy at 298.15K-629.087888
HF Energy-629.080717
Nuclear repulsion energy291.381011
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 PBEPBE/Def2TZVPP
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 3693 3648 43.36      
2 A 3119 3081 9.06      
3 A 3058 3021 10.33      
4 A 2997 2960 40.79      
5 A 2982 2946 9.01      
6 A 2910 2875 56.90      
7 A 1623 1604 142.93      
8 A 1439 1421 0.22      
9 A 1420 1403 4.45      
10 A 1340 1324 11.89      
11 A 1285 1269 16.15      
12 A 1245 1230 7.62      
13 A 1225 1210 20.51      
14 A 1145 1131 5.37      
15 A 1112 1099 0.51      
16 A 1097 1084 183.62      
17 A 1011 999 23.10      
18 A 965 953 12.53      
19 A 909 898 14.73      
20 A 839 829 1.80      
21 A 686 678 34.37      
22 A 674 666 8.34      
23 A 667 659 12.30      
24 A 609 602 5.97      
25 A 514 508 7.78      
26 A 457 451 2.79      
27 A 352 348 10.49      
28 A 340 336 76.86      
29 A 247 244 7.82      
30 A 162 160 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 20060.6 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 19817.9 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 PBEPBE/Def2TZVPP
ABC
0.15572 0.10046 0.06350

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.064 -1.265 -0.109
C2 -0.856 0.245 0.026
C3 -0.115 1.369 0.038
C4 1.356 1.119 -0.175
C5 1.607 -0.336 0.255
O6 -2.207 0.085 0.070
H7 -0.547 2.369 0.093
H8 1.995 1.797 0.412
H9 1.783 -0.397 1.337
H10 1.631 1.257 -1.238
H11 2.442 -0.811 -0.275
H12 -2.619 0.963 -0.004

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77282.64452.71281.83682.64803.69043.65702.40823.17592.42633.4890
C21.77281.34692.38742.54041.36152.14793.26873.01592.96703.47531.9041
C32.64451.34691.50772.43332.45531.09022.18502.90062.16483.37452.5370
C42.71282.38741.50771.53843.71882.29241.10052.18411.10582.21653.9821
C51.83682.54042.43331.53843.84143.46162.17401.09852.18311.09664.4284
O62.64801.36152.45533.71883.84142.82424.55024.21444.22044.74680.9728
H73.69042.14791.09022.29243.46162.82422.62453.82502.78334.37902.5062
H83.65703.26872.18501.10052.17404.55022.62452.39101.77332.73334.7069
H92.40823.01592.90062.18411.09854.21443.82502.39103.06431.78964.7989
H103.17592.96702.16481.10582.18314.22042.78331.77333.06432.42074.4345
H112.42633.47533.37452.21651.09664.74684.37902.73331.78962.42075.3692
H123.48901.90412.53703.98214.42840.97282.50624.70694.79894.43455.3692

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 115.239 S1 C2 O6 114.678
S1 C5 C4 106.643 S1 C5 H9 107.577
S1 C5 H11 108.982 C2 S1 C5 89.443
C2 C3 C4 113.390 C2 C3 H7 123.265
C2 O6 H12 108.157 C3 C2 O6 130.062
C3 C4 C5 106.036 C3 C4 H8 112.873
C3 C4 H10 110.917 C4 C3 H7 123.061
C4 C5 H9 110.738 C4 C5 H11 113.472
C5 C4 H8 109.833 C5 C4 H10 110.230
H8 C4 H10 106.980 H9 C5 H11 109.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.086      
2 C 0.170      
3 C -0.249      
4 C -0.055      
5 C -0.142      
6 O -0.252      
7 H 0.071      
8 H 0.066      
9 H 0.105      
10 H 0.066      
11 H 0.097      
12 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.617 2.147 0.061 2.234
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.750 -4.671 0.719
y -4.671 -42.387 -0.137
z 0.719 -0.137 -45.263
Traceless
 xyz
x 6.075 -4.671 0.719
y -4.671 -0.881 -0.137
z 0.719 -0.137 -5.194
Polar
3z2-r2-10.388
x2-y24.637
xy-4.671
xz0.719
yz-0.137


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.870 0.310 0.032
y 0.310 11.838 0.124
z 0.032 0.124 7.355


<r2> (average value of r2) Å2
<r2> 180.929
(<r2>)1/2 13.451