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All results from a given calculation for C4H6OS (4,5-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-627.181471
Energy at 298.15K-627.188724
Nuclear repulsion energy293.034146
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 3690 3649 61.23      
2 A 3135 3100 6.42      
3 A 3078 3043 5.11      
4 A 3015 2981 20.32      
5 A 2991 2958 12.96      
6 A 2917 2884 51.28      
7 A 1672 1653 163.51      
8 A 1396 1380 2.34      
9 A 1373 1358 11.07      
10 A 1338 1322 18.20      
11 A 1274 1260 5.62      
12 A 1248 1234 56.24      
13 A 1212 1198 5.61      
14 A 1141 1128 22.08      
15 A 1099 1086 56.25      
16 A 1093 1080 94.81      
17 A 1010 998 20.26      
18 A 955 944 4.20      
19 A 930 920 17.88      
20 A 836 827 2.26      
21 A 691 684 10.30      
22 A 684 676 38.27      
23 A 679 671 11.27      
24 A 612 605 5.11      
25 A 514 508 12.50      
26 A 458 453 2.46      
27 A 357 353 61.72      
28 A 353 349 25.55      
29 A 255 252 7.33      
30 A 175 173 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 20088.6 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 19861.6 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
0.15711 0.10199 0.06451

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 0.061 -1.260 -0.119
C2 -0.850 0.244 0.027
C3 -0.104 1.365 0.031
C4 1.348 1.100 -0.187
C5 1.583 -0.328 0.280
O6 -2.184 0.090 0.079
H7 -0.539 2.373 0.089
H8 2.006 1.794 0.373
H9 1.717 -0.366 1.379
H10 1.612 1.202 -1.265
H11 2.441 -0.818 -0.213
H12 -2.604 0.968 0.002

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.76482.63502.68881.82892.62653.68853.65412.40513.12802.42303.4759
C21.76481.34662.36862.51221.34322.15283.26782.96442.94153.46731.8976
C32.63501.34661.49272.40322.43981.09912.18032.85102.15753.36312.5314
C42.68882.36861.49271.51983.68292.29301.10822.17561.11512.20803.9590
C51.82892.51222.40321.51983.79493.44002.16541.10782.17451.10464.3919
O62.62651.34322.43983.68293.79492.81464.53254.13644.17764.72230.9769
H73.68852.15281.09912.29303.44002.81462.62513.77542.79824.37722.5000
H83.65413.26782.18031.10822.16544.53252.62512.39971.78582.71254.6983
H92.40512.96442.85102.17561.10784.13643.77542.39973.07561.80634.7272
H103.12802.94152.15751.11512.17454.17762.79821.78583.07562.42474.4089
H112.42303.46733.36312.20801.10464.72234.37722.71251.80632.42475.3569
H123.47591.89762.53143.95904.39190.97692.50004.69834.72724.40895.3569

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 115.087 S1 C2 O6 114.678
S1 C5 C4 106.461 S1 C5 H9 107.410
S1 C5 H11 108.857 C2 S1 C5 88.685
C2 C3 C4 112.974 C2 C3 H7 123.026
C2 O6 H12 108.719 C3 C2 O6 130.204
C3 C4 C5 105.826 C3 C4 H8 113.092
C3 C4 H10 110.818 C4 C3 H7 123.731
C4 C5 H9 110.805 C4 C5 H11 113.619
C5 C4 H8 109.981 C5 C4 H10 110.283
H8 C4 H10 106.874 H9 C5 H11 109.450
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 0.186      
2 C -0.015      
3 C 0.820      
4 C 0.601      
5 C 0.307      
6 O -0.454      
7 H -0.635      
8 H -0.227      
9 H -0.260      
10 H -0.283      
11 H -0.204      
12 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.642 2.258 0.093 2.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.907 -4.773 0.804
y -4.773 -42.708 -0.200
z 0.804 -0.200 -45.801
Traceless
 xyz
x 6.348 -4.773 0.804
y -4.773 -0.854 -0.200
z 0.804 -0.200 -5.494
Polar
3z2-r2-10.988
x2-y24.801
xy-4.773
xz0.804
yz-0.200


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.417 0.321 -0.056
y 0.321 12.611 0.170
z -0.056 0.170 8.527


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