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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-627.130235
Energy at 298.15K-627.137373
Nuclear repulsion energy289.104418
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/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 3654 3586 34.20      
2 A 3120 3062 12.08      
3 A 3023 2967 4.45      
4 A 3001 2944 10.00      
5 A 2984 2928 27.47      
6 A 2968 2912 39.28      
7 A 1744 1712 106.93      
8 A 1459 1432 1.45      
9 A 1453 1426 9.91      
10 A 1424 1397 10.78      
11 A 1279 1255 76.56      
12 A 1243 1220 18.00      
13 A 1204 1182 7.81      
14 A 1141 1120 143.90      
15 A 1107 1086 0.01      
16 A 1088 1068 3.33      
17 A 1020 1001 15.28      
18 A 954 936 0.70      
19 A 898 881 0.03      
20 A 874 858 4.24      
21 A 786 771 6.23      
22 A 739 725 52.05      
23 A 727 713 0.94      
24 A 604 593 0.61      
25 A 482 473 11.55      
26 A 476 467 0.29      
27 A 429 421 97.73      
28 A 375 368 13.32      
29 A 224 220 4.37      
30 A 66 65 4.29      

Unscaled Zero Point Vibrational Energy (zpe) 20272.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19893.8 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/6-31G*
ABC
0.20155 0.08026 0.05868

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.536 -0.519 -0.000
C2 0.159 -1.172 0.000
C3 1.048 0.021 -0.000
C4 0.467 1.228 -0.000
C5 -1.015 1.239 0.000
O6 2.361 -0.277 -0.000
H7 0.348 -1.798 0.892
H8 1.031 2.168 -0.000
H9 -1.436 1.745 -0.890
H10 0.348 -1.799 -0.891
H11 -1.435 1.744 0.891
H12 2.871 0.560 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.81652.63902.65711.83383.90462.44563.71632.43442.44552.43454.5365
C21.81651.48692.41912.68182.37681.10613.45203.44161.10613.44103.2170
C32.63901.48691.33952.39541.34712.14372.14763.15152.14373.15121.9012
C42.65712.41911.33951.48152.41943.15731.09702.16323.15762.16322.4950
C51.83382.68182.39541.48153.70093.44682.24711.10723.44731.10723.9444
O63.90462.37681.34712.41943.70092.67702.78364.39302.67674.39270.9796
H72.44561.10612.14373.15733.44682.67704.12314.34891.78303.96623.5669
H83.71633.45202.14761.09702.24712.78364.12312.65684.12342.65702.4435
H92.43443.44163.15152.16321.10724.39304.34892.65683.96771.78144.5546
H102.44551.10612.14373.15763.44732.67671.78304.12343.96774.34893.5671
H112.43453.44103.15122.16321.10724.39273.96622.65701.78144.34894.5541
H124.53653.21701.90122.49503.94440.97963.56692.44354.55463.56714.5541

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 105.611 S1 C2 H7 111.269
S1 C2 H10 111.261 S1 C5 C4 106.057
S1 C5 H9 109.236 S1 C5 H11 109.242
C2 S1 C5 94.560 C2 C3 C4 117.627
C2 C3 O6 113.910 C3 C2 H7 110.670
C3 C2 H10 110.672 C3 C4 C5 116.145
C3 C4 H8 123.327 C3 O6 H12 108.564
C4 C3 O6 128.463 C4 C5 H9 112.566
C4 C5 H11 112.565 C5 C4 H8 120.528
H7 C2 H10 107.405 H9 C5 H11 107.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.105      
2 C -0.545      
3 C 0.296      
4 C -0.170      
5 C -0.537      
6 O -0.570      
7 H 0.220      
8 H 0.145      
9 H 0.207      
10 H 0.220      
11 H 0.207      
12 H 0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.163 1.862 0.002 2.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.508 1.608 0.002
y 1.608 -38.518 -0.000
z 0.002 -0.000 -44.468
Traceless
 xyz
x -0.015 1.608 0.002
y 1.608 4.470 -0.000
z 0.002 -0.000 -4.455
Polar
3z2-r2-8.909
x2-y2-2.990
xy1.608
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.168 -0.604 0.000
y -0.604 10.186 -0.000
z 0.000 -0.000 5.531


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