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

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-624.075347
Energy at 298.15K-624.082958
Nuclear repulsion energy291.805008
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 HF/3-21G
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 3884 3517 36.10      
2 A 3445 3120 5.31      
3 A 3381 3062 2.06      
4 A 3294 2983 33.95      
5 A 3287 2977 7.37      
6 A 3218 2914 14.08      
7 A 1816 1645 4.35      
8 A 1620 1467 5.07      
9 A 1515 1372 4.88      
10 A 1468 1330 13.60      
11 A 1453 1316 10.54      
12 A 1402 1270 117.11      
13 A 1360 1231 0.87      
14 A 1301 1179 23.18      
15 A 1247 1129 1.59      
16 A 1155 1046 42.69      
17 A 1118 1012 21.92      
18 A 1070 969 34.58      
19 A 992 898 52.55      
20 A 929 842 24.84      
21 A 885 802 18.80      
22 A 800 724 56.43      
23 A 774 701 37.20      
24 A 655 593 13.20      
25 A 569 516 7.93      
26 A 451 408 8.20      
27 A 398 361 5.48      
28 A 360 326 37.22      
29 A 295 268 173.03      
30 A 122 111 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 22132.2 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 20042.9 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 HF/3-21G
ABC
0.12900 0.11185 0.07272

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.483 -1.275 0.217
C2 0.965 -0.046 0.432
C3 0.319 1.340 0.533
C4 -0.993 1.295 -0.227
C5 -1.507 0.106 -0.433
O6 1.784 -0.031 -0.729
H7 1.501 -0.338 1.320
H8 1.013 2.053 0.109
H9 -1.470 2.201 -0.543
H10 -2.428 -0.120 -0.921
H11 0.132 1.594 1.571
H12 2.014 -0.925 -1.012

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.91062.75292.65761.83832.75332.45523.64973.69232.53273.23062.8045
C21.91061.53252.46322.62301.42101.07732.12393.45343.65342.16291.9895
C32.75291.53251.51672.40552.36992.19821.08122.25733.43341.08493.2231
C42.65762.46321.51671.31133.11803.35872.17081.07102.13122.14193.8192
C51.83832.62302.40551.31133.30713.50943.22992.09801.06682.98523.7141
O62.75331.42102.36993.11803.30712.09082.37413.94974.21753.26410.9658
H72.45521.07732.19823.35873.50942.09082.72334.32884.52832.38052.4586
H83.64972.12391.08122.17083.22992.37412.72332.57114.19791.76703.3353
H93.69233.45342.25731.07102.09803.94974.32882.57112.53932.72034.7038
H102.53273.65343.43342.13121.06684.21754.52834.19792.53933.96204.5152
H113.23062.16291.08492.14192.98523.26412.38051.76702.72033.96204.0686
H122.80451.98953.22313.81923.71410.96582.45863.33534.70384.51524.0686

picture of 2,3-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.645 S1 C2 O6 110.608
S1 C2 H7 107.194 S1 C5 C4 114.045
S1 C5 H10 118.933 C2 S1 C5 88.781
C2 C3 C4 107.762 C2 C3 H8 107.443
C2 C3 H11 110.282 C2 O6 H12 111.500
C3 C2 O6 106.658 C3 C2 H7 113.618
C3 C4 C5 116.369 C3 C4 H9 120.480
C4 C3 H8 112.270 C4 C3 H11 109.717
C4 C5 H10 127.022 C5 C4 H9 123.126
O6 C2 H7 112.903 H8 C3 H11 109.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.306      
2 C -0.138      
3 C -0.458      
4 C -0.167      
5 C -0.545      
6 O -0.668      
7 H 0.246      
8 H 0.271      
9 H 0.249      
10 H 0.268      
11 H 0.239      
12 H 0.396      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.099 0.814 0.568 0.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.363 -4.690 3.782
y -4.690 -42.420 2.183
z 3.782 2.183 -44.742
Traceless
 xyz
x 2.218 -4.690 3.782
y -4.690 0.633 2.183
z 3.782 2.183 -2.851
Polar
3z2-r2-5.701
x2-y21.057
xy-4.690
xz3.782
yz2.183


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.065 0.512 0.945
y 0.512 9.564 0.034
z 0.945 0.034 5.324


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