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 (2,3-dihydrothiophene-2-ol)

using model chemistry: LSDA/aug-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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-627.181683
Energy at 298.15K-627.188901
Nuclear repulsion energy296.053473
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/aug-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 3692 3651 35.06      
2 A 3168 3133 1.41      
3 A 3142 3107 0.45      
4 A 3028 2994 2.53      
5 A 2979 2946 31.88      
6 A 2959 2926 6.40      
7 A 1621 1603 13.39      
8 A 1361 1345 10.51      
9 A 1326 1311 11.06      
10 A 1286 1272 1.22      
11 A 1247 1233 14.86      
12 A 1215 1202 60.27      
13 A 1174 1161 68.61      
14 A 1120 1108 17.79      
15 A 1055 1043 15.85      
16 A 1042 1030 54.21      
17 A 992 980 7.28      
18 A 930 919 11.54      
19 A 866 856 22.96      
20 A 859 849 5.26      
21 A 802 793 24.26      
22 A 769 760 22.02      
23 A 655 647 17.51      
24 A 633 626 41.88      
25 A 549 543 0.65      
26 A 422 417 7.73      
27 A 373 369 12.84      
28 A 351 347 24.67      
29 A 244 241 119.87      
30 A 140 138 0.98      

Unscaled Zero Point Vibrational Energy (zpe) 19999.8 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 19773.8 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 LSDA/aug-cc-pVDZ
ABC
0.13396 0.11542 0.07500

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.430 -1.246 0.221
C2 0.937 -0.016 0.411
C3 0.266 1.339 0.502
C4 -1.027 1.258 -0.231
C5 -1.480 0.010 -0.416
O6 1.767 0.003 -0.713
H7 1.492 -0.293 1.332
H8 0.964 2.089 0.077
H9 -1.579 2.149 -0.561
H10 -2.423 -0.284 -0.896
H11 0.092 1.613 1.566
H12 2.021 -0.913 -0.935

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.84872.69192.61301.75672.69492.41613.61743.66772.47893.20212.7296
C21.84871.51542.42782.55541.39751.11112.13183.45833.61552.16841.9462
C32.69191.51541.48912.37912.34872.20441.10872.27753.43821.11203.1963
C42.61302.42781.48911.34003.10103.34662.17971.09842.18312.14693.8075
C51.75672.55542.37911.34003.26163.46223.24662.14571.09792.99503.6577
O62.69491.39752.34873.10103.26162.08552.37133.97774.20443.25450.9764
H72.41611.11112.20443.34663.46222.08552.74444.35644.50512.37672.4087
H83.61742.13181.10872.17973.24662.37132.74442.62194.24851.78913.3403
H93.66773.45832.27751.09842.14573.97774.35642.62192.59672.75684.7403
H102.47893.61553.43822.18311.09794.20444.50514.24852.59673.99814.4881
H113.20212.16841.11202.14692.99503.25452.37671.78912.75683.99814.0437
H122.72961.94623.19633.80753.65770.97642.40873.34034.74034.48814.0437

picture of 2,3-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.871 S1 C2 O6 111.471
S1 C2 H7 106.772 S1 C5 C4 114.413
S1 C5 H10 118.716 C2 S1 C5 90.231
C2 C3 C4 107.816 C2 C3 H8 107.653
C2 C3 H11 110.298 C2 O6 H12 108.842
C3 C2 O6 107.407 C3 C2 H7 113.238
C3 C4 C5 114.378 C3 C4 H9 122.617
C4 C3 H8 113.276 C4 C3 H11 110.419
C4 C5 H10 126.861 C5 C4 H9 122.971
O6 C2 H7 111.967 H8 C3 H11 107.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.194      
2 C 0.522      
3 C 0.540      
4 C 0.733      
5 C 0.008      
6 O -0.394      
7 H -0.307      
8 H -0.226      
9 H -0.439      
10 H -0.511      
11 H -0.240      
12 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.174 0.387 0.499 0.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.343 -3.263 2.868
y -3.263 -42.003 1.977
z 2.868 1.977 -44.756
Traceless
 xyz
x 2.037 -3.263 2.868
y -3.263 1.046 1.977
z 2.868 1.977 -3.083
Polar
3z2-r2-6.166
x2-y20.660
xy-3.263
xz2.868
yz1.977


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.608 0.008 0.500
y 0.008 12.726 -0.006
z 0.500 -0.006 9.215


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