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

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-619.771549
Energy at 298.15K-619.778581
Nuclear repulsion energy285.491459
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/STO-3G
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 3673 3289 13.62      
2 A 3440 3081 12.98      
3 A 3357 3006 0.66      
4 A 3332 2984 2.30      
5 A 3267 2925 3.00      
6 A 3248 2909 7.97      
7 A 1843 1650 54.64      
8 A 1642 1471 1.67      
9 A 1630 1460 1.75      
10 A 1553 1390 1.48      
11 A 1371 1228 4.72      
12 A 1354 1212 33.24      
13 A 1314 1176 3.86      
14 A 1246 1116 57.26      
15 A 1213 1086 0.12      
16 A 1191 1067 0.01      
17 A 1091 977 8.56      
18 A 1013 908 0.18      
19 A 957 857 0.51      
20 A 939 841 0.17      
21 A 893 799 2.16      
22 A 829 742 0.14      
23 A 777 696 26.37      
24 A 645 578 1.22      
25 A 540 484 69.79      
26 A 503 450 0.28      
27 A 469 420 14.88      
28 A 365 327 8.41      
29 A 232 207 1.61      
30 A 78 70 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 22002.6 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 19703.3 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/STO-3G
ABC
0.19948 0.07735 0.05693

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.562 -0.510 -0.000
C2 0.129 -1.182 0.000
C3 1.066 0.017 0.000
C4 0.484 1.236 -0.000
C5 -1.022 1.238 0.000
O6 2.422 -0.301 -0.000
H7 0.314 -1.817 0.890
H8 1.044 2.179 -0.000
H9 -1.428 1.767 -0.887
H10 0.315 -1.818 -0.889
H11 -1.428 1.767 0.888
H12 2.867 0.628 -0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.81972.68072.69001.82983.99002.45423.74462.44772.45422.44784.5737
C21.81971.52252.44482.68042.45731.10863.48373.45141.10863.45103.2833
C32.68071.52251.35112.41911.39302.17322.16173.17342.17323.17321.9022
C42.69002.44481.35111.50592.47403.18541.09642.17343.18562.17342.4601
C51.82982.68042.41911.50593.77273.45192.27021.11013.45231.11013.9373
O63.99002.45731.39302.47403.77272.74512.83694.45962.74494.45941.0302
H72.45421.10862.17323.18543.45192.74514.15874.36401.77863.98533.6458
H83.74463.48372.16171.09642.27022.83694.15872.65844.15892.65852.3937
H92.44773.45143.17342.17341.11014.45964.36402.65843.98631.77554.5316
H102.45421.10862.17323.18563.45232.74491.77864.15893.98634.36403.6457
H112.44783.45103.17322.17341.11014.45943.98532.65851.77554.36404.5315
H124.57373.28331.90222.46013.93731.03023.64582.39374.53163.64574.5315

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 106.315 S1 C2 H7 111.563
S1 C2 H10 111.560 S1 C5 C4 107.095
S1 C5 H9 110.323 S1 C5 H11 110.326
C2 S1 C5 94.522 C2 C3 C4 116.465
C2 C3 O6 114.809 C3 C2 H7 110.385
C3 C2 H10 110.387 C3 C4 C5 115.603
C3 C4 H8 123.737 C3 O6 H12 102.413
C4 C3 O6 128.726 C4 C5 H9 111.469
C4 C5 H11 111.468 C5 C4 H8 120.660
H7 C2 H10 106.683 H9 C5 H11 106.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.130      
2 C -0.262      
3 C 0.045      
4 C -0.161      
5 C -0.253      
6 O -0.199      
7 H 0.104      
8 H 0.082      
9 H 0.096      
10 H 0.104      
11 H 0.096      
12 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.356 1.189 0.000 1.804
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.253 2.051 -0.001
y 2.051 -36.207 -0.000
z -0.001 -0.000 -39.411
Traceless
 xyz
x 0.556 2.051 -0.001
y 2.051 2.124 -0.000
z -0.001 -0.000 -2.681
Polar
3z2-r2-5.361
x2-y2-1.046
xy2.051
xz-0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.026 -0.716 0.000
y -0.716 5.961 -0.000
z 0.000 -0.000 2.017


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