return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-629.348039
Energy at 298.15K-629.355451
HF Energy-629.348039
Nuclear repulsion energy292.103833
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 wB97X-D/cc-pVDZ
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 3904 3719 63.21      
2 A 3234 3080 10.47      
3 A 3173 3022 10.35      
4 A 3113 2965 38.72      
5 A 3097 2951 10.96      
6 A 3037 2893 52.53      
7 A 1723 1642 170.87      
8 A 1517 1445 0.47      
9 A 1495 1424 4.58      
10 A 1396 1330 12.80      
11 A 1351 1287 17.07      
12 A 1315 1252 17.11      
13 A 1287 1226 36.67      
14 A 1210 1153 11.75      
15 A 1169 1114 3.13      
16 A 1162 1107 192.91      
17 A 1057 1006 15.38      
18 A 1019 971 13.45      
19 A 943 898 12.65      
20 A 885 843 1.63      
21 A 743 707 52.16      
22 A 714 681 4.97      
23 A 703 670 13.15      
24 A 637 606 5.80      
25 A 534 509 7.03      
26 A 481 458 3.25      
27 A 371 353 9.29      
28 A 331 315 95.60      
29 A 262 249 13.84      
30 A 170 162 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 21015.2 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 20019.1 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 wB97X-D/cc-pVDZ
ABC
0.15604 0.10113 0.06379

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.070 -1.265 -0.110
C2 -0.855 0.242 0.020
C3 -0.128 1.365 0.031
C4 1.347 1.124 -0.172
C5 1.606 -0.330 0.256
O6 -2.197 0.079 0.075
H7 -0.564 2.357 0.090
H8 1.972 1.802 0.419
H9 1.783 -0.387 1.333
H10 1.621 1.265 -1.227
H11 2.444 -0.790 -0.270
H12 -2.622 0.941 0.007

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77232.64102.70951.83462.64233.68183.64722.40533.17072.42603.4823
C21.77231.33792.37982.53681.35382.13583.25333.01282.95443.46831.9006
C32.64101.33791.50842.43492.43691.08482.17992.90132.15643.36912.5296
C42.70952.37981.50841.53723.70382.28931.09482.17651.09952.20853.9772
C51.83462.53682.43491.53723.82943.45722.16931.09332.17781.09134.4214
O62.64231.35382.43693.70383.82942.80264.52474.20064.20474.73470.9634
H73.68182.13581.08482.28933.45722.80262.61693.81852.77484.36822.4986
H83.64723.25332.17991.09482.16934.52472.61692.37981.76662.72354.6918
H92.40533.01282.90132.17651.09334.20063.81852.37983.05131.78024.7880
H103.17072.95442.15641.09952.17784.20472.77481.76663.05132.41224.4300
H112.42603.46833.36912.20851.09134.73474.36822.72351.78022.41225.3606
H123.48231.90062.52963.97724.42140.96342.49864.69184.78804.43005.3606

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 115.526 S1 C2 O6 114.731
S1 C5 C4 106.616 S1 C5 H9 107.772
S1 C5 H11 109.385 C2 S1 C5 89.370
C2 C3 C4 113.323 C2 C3 H7 123.330
C2 O6 H12 109.048 C3 C2 O6 129.736
C3 C4 C5 106.155 C3 C4 H8 112.763
C3 C4 H10 110.575 C4 C3 H7 123.133
C4 C5 H9 110.525 C4 C5 H11 113.227
C5 C4 H8 109.871 C5 C4 H10 110.260
H8 C4 H10 107.241 H9 C5 H11 109.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.191      
2 C -0.059      
3 C -0.083      
4 C -0.320      
5 C -0.482      
6 O -0.479      
7 H 0.144      
8 H 0.162      
9 H 0.202      
10 H 0.170      
11 H 0.188      
12 H 0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.894 2.545 0.083 2.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.620 -5.149 0.772
y -5.149 -42.307 -0.185
z 0.772 -0.185 -45.529
Traceless
 xyz
x 6.298 -5.149 0.772
y -5.149 -0.732 -0.185
z 0.772 -0.185 -5.565
Polar
3z2-r2-11.130
x2-y24.687
xy-5.149
xz0.772
yz-0.185


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.759 0.556 0.001
y 0.556 11.251 0.107
z 0.001 0.107 7.474


<r2> (average value of r2) Å2
<r2> 180.210
(<r2>)1/2 13.424