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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-3-ol)

using model chemistry: LSDA/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-627.263976
Energy at 298.15K-627.271115
Nuclear repulsion energy291.483171
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/cc-pVTZ
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 3733 3692 75.47      
2 A 3166 3131 6.27      
3 A 3065 3032 3.63      
4 A 2984 2951 27.16      
5 A 2968 2936 6.36      
6 A 2907 2876 39.87      
7 A 1693 1675 48.19      
8 A 1399 1384 18.64      
9 A 1382 1367 8.11      
10 A 1356 1341 146.42      
11 A 1263 1249 24.80      
12 A 1228 1215 25.15      
13 A 1212 1198 2.78      
14 A 1146 1134 9.11      
15 A 1110 1097 72.28      
16 A 1096 1085 22.11      
17 A 999 988 0.44      
18 A 962 952 2.42      
19 A 906 897 21.49      
20 A 821 812 23.32      
21 A 800 791 6.62      
22 A 759 750 30.79      
23 A 682 674 1.52      
24 A 543 537 2.40      
25 A 494 489 3.42      
26 A 439 434 12.35      
27 A 371 367 6.07      
28 A 281 278 75.16      
29 A 229 226 19.03      
30 A 175 173 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 20083.8 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 19864.9 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/cc-pVTZ
ABC
0.20607 0.08058 0.06017

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.544 -0.523 -0.090
C2 0.093 -1.117 0.083
C3 1.020 -0.158 0.021
C4 0.479 1.209 -0.219
C5 -0.954 1.163 0.250
O6 2.349 -0.389 0.029
H7 0.287 -2.184 0.165
H8 1.050 1.988 0.316
H9 -1.610 1.885 -0.251
H10 0.544 1.437 -1.302
H11 -1.006 1.320 1.339
H12 2.815 0.456 0.140

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.74962.59182.66621.81883.89682.48463.63252.41443.10962.39344.4733
C21.74961.33472.37662.51442.37101.08783.25673.46702.94012.95303.1440
C32.59181.33471.48952.38641.34912.15912.16633.34112.12672.83261.9011
C42.66622.37661.48951.50882.47213.41981.10382.19591.10852.15502.4804
C51.81882.51442.38641.50883.65633.57072.16761.09642.17431.10093.8364
O63.89682.37101.34912.47213.65632.73732.72404.57402.89253.98620.9714
H72.48461.08782.15913.41983.57072.73734.24354.50833.91573.91453.6552
H83.63253.25672.16631.10382.16762.72404.24352.72111.78212.39102.3440
H92.41443.46703.34112.19591.09644.57404.50832.72112.43761.79214.6663
H103.10962.94012.12671.10852.17432.89253.91571.78212.43763.06392.8640
H112.39342.95302.83262.15501.10093.98623.91452.39101.79213.06394.0964
H124.47333.14401.90112.48043.83640.97143.65522.34404.66632.86404.0964

picture of 4,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 113.670 S1 C2 H7 120.450
S1 C5 C4 106.126 S1 C5 H9 109.317
S1 C5 H11 107.565 C2 S1 C5 89.577
C2 C3 C4 114.488 C2 C3 O6 124.119
C3 C2 H7 125.762 C3 C4 C5 105.480
C3 C4 H8 112.453 C3 C4 H10 109.003
C3 O6 H12 108.931 C4 C3 C5 37.540
C4 C5 H9 113.954 C4 C5 H11 110.359
C5 C4 H8 111.188 C5 C4 H10 111.435
H8 C4 H10 107.323 H9 C5 H11 109.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.007      
2 C -0.234      
3 C 0.112      
4 C -0.243      
5 C -0.256      
6 O -0.216      
7 H 0.132      
8 H 0.110      
9 H 0.130      
10 H 0.125      
11 H 0.137      
12 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.490 2.652 0.318 3.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.694 2.227 0.324
y 2.227 -39.450 0.249
z 0.324 0.249 -45.116
Traceless
 xyz
x -0.411 2.227 0.324
y 2.227 4.455 0.249
z 0.324 0.249 -4.044
Polar
3z2-r2-8.088
x2-y2-3.244
xy2.227
xz0.324
yz0.249


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.223 0.914 0.068
y 0.914 10.735 -0.073
z 0.068 -0.073 6.945


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