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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-2-ol)

using model chemistry: LSDA/6-311G**

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/6-311G**
 hartrees
Energy at 0K-627.228675
Energy at 298.15K-627.235983
Nuclear repulsion energy294.217718
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/6-311G**
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 3715 3669 62.74      
2 A 3123 3084 6.17      
3 A 3067 3029 5.75      
4 A 3005 2968 23.37      
5 A 2985 2948 12.94      
6 A 2905 2869 47.56      
7 A 1673 1652 167.41      
8 A 1411 1393 2.04      
9 A 1393 1376 12.34      
10 A 1344 1327 15.57      
11 A 1284 1268 9.41      
12 A 1258 1243 41.29      
13 A 1234 1219 16.52      
14 A 1154 1140 19.13      
15 A 1116 1102 13.99      
16 A 1098 1085 155.88      
17 A 1017 1005 22.90      
18 A 968 957 7.54      
19 A 931 920 16.13      
20 A 852 841 3.79      
21 A 692 684 7.56      
22 A 686 678 48.95      
23 A 677 669 15.51      
24 A 614 606 6.71      
25 A 515 509 9.89      
26 A 464 459 2.95      
27 A 360 355 51.69      
28 A 356 352 48.36      
29 A 265 262 8.30      
30 A 188 186 3.89      

Unscaled Zero Point Vibrational Energy (zpe) 20174.5 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 19926.4 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/6-311G**
ABC
0.15830 0.10278 0.06517

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.067 -1.254 -0.126
C2 -0.848 0.245 0.028
C3 -0.107 1.361 0.034
C4 1.341 1.092 -0.198
C5 1.573 -0.321 0.297
O6 -2.175 0.084 0.085
H7 -0.534 2.364 0.093
H8 2.006 1.795 0.330
H9 1.674 -0.334 1.394
H10 1.584 1.164 -1.279
H11 2.442 -0.814 -0.159
H12 -2.595 0.956 -0.015

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.76342.62512.67101.82122.61863.67433.64252.39573.07862.41623.4613
C21.76341.33912.35812.50091.33732.14293.26212.92642.91013.46201.8860
C32.62511.33911.49022.39122.43091.09242.17752.80972.14963.35592.5211
C42.67102.35811.49021.51563.66822.28401.10272.16391.11012.20193.9421
C51.82122.50092.39121.51563.77503.41912.16071.10212.16531.09874.3700
O62.61861.33732.43093.66823.77502.80954.52434.08654.14194.70950.9737
H73.67432.14291.09242.28403.41912.80952.61373.72142.79474.36132.4983
H83.64253.26212.17751.10272.16074.52432.61372.40401.77922.69034.6895
H92.39572.92642.80972.16391.10214.08653.72142.40403.06571.79844.6770
H103.07862.91012.14961.11012.16534.14192.79471.77923.06572.42914.3706
H112.41623.46203.35592.20191.09874.70954.36132.69031.79842.42915.3408
H123.46131.88602.52113.94214.37000.97372.49834.68954.67704.37065.3408

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 114.899 S1 C2 O6 114.543
S1 C5 C4 105.984 S1 C5 H9 107.510
S1 C5 H11 109.166 C2 S1 C5 88.467
C2 C3 C4 112.797 C2 C3 H7 123.277
C2 O6 H12 108.363 C3 C2 O6 130.531
C3 C4 C5 105.404 C3 C4 H8 113.387
C3 C4 H10 110.660 C4 C3 H7 123.613
C4 C5 H9 110.520 C4 C5 H11 113.806
C5 C4 H8 110.231 C5 C4 H10 110.147
H8 C4 H10 107.037 H9 C5 H11 109.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.169      
2 C -0.021      
3 C -0.182      
4 C -0.303      
5 C -0.495      
6 O -0.304      
7 H 0.131      
8 H 0.165      
9 H 0.205      
10 H 0.172      
11 H 0.199      
12 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.430 2.397 0.093 2.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.115 -5.058 0.884
y -5.058 -42.435 -0.168
z 0.884 -0.168 -45.705
Traceless
 xyz
x 6.955 -5.058 0.884
y -5.058 -1.025 -0.168
z 0.884 -0.168 -5.930
Polar
3z2-r2-11.860
x2-y25.320
xy-5.058
xz0.884
yz-0.168


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.903 0.361 0.040
y 0.361 11.226 0.230
z 0.040 0.230 6.217


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