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

using model chemistry: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-626.158314
Energy at 298.15K-626.165753
HF Energy-626.158314
Nuclear repulsion energy290.373616
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 M06-2X/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 3588 3399 27.32      
2 A 3234 3063 3.94      
3 A 3183 3015 3.66      
4 A 3162 2995 14.03      
5 A 3089 2926 11.03      
6 A 3025 2865 22.02      
7 A 1724 1633 104.15      
8 A 1547 1465 0.44      
9 A 1528 1448 5.90      
10 A 1413 1339 17.03      
11 A 1357 1286 15.29      
12 A 1342 1271 10.34      
13 A 1296 1227 2.90      
14 A 1228 1163 1.04      
15 A 1197 1134 1.40      
16 A 1123 1064 212.10      
17 A 1055 999 20.51      
18 A 1016 963 29.17      
19 A 926 877 14.34      
20 A 883 837 2.55      
21 A 802 759 71.76      
22 A 714 677 3.57      
23 A 686 650 12.25      
24 A 643 609 7.80      
25 A 549 520 0.13      
26 A 483 457 3.84      
27 A 414 392 150.55      
28 A 350 332 10.85      
29 A 263 249 3.47      
30 A 145 138 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 20981.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 19873.7 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 M06-2X/3-21G*
ABC
0.15502 0.09952 0.06303

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.053 -1.266 -0.116
C2 -0.847 0.261 0.017
C3 -0.107 1.372 0.015
C4 1.379 1.120 -0.169
C5 1.605 -0.357 0.267
O6 -2.212 0.093 0.084
H7 -0.517 2.372 0.077
H8 1.993 1.785 0.444
H9 1.772 -0.407 1.345
H10 1.662 1.253 -1.221
H11 2.437 -0.826 -0.260
H12 -2.673 0.968 0.021

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77722.64692.73011.83942.64933.68773.65922.41453.18722.42893.5273
C21.77721.33502.39252.54071.37782.13783.25143.01112.96853.46991.9587
C32.64691.33501.51852.44692.46451.08182.18362.90982.16203.37382.5975
C42.73012.39251.51851.55613.74362.28481.09352.18551.09812.21664.0591
C51.83942.54072.44691.55613.84833.46202.18391.09242.19301.09054.4855
O62.64931.37782.46453.74363.84832.84104.54794.20904.25014.75190.9910
H73.68772.13781.08182.28483.46202.84102.60403.81702.77184.36622.5741
H83.65923.25142.18361.09352.18394.54792.60402.38001.77902.73994.7566
H92.41453.01112.90982.18551.09244.20903.81702.38003.05821.78714.8377
H103.18722.96852.16201.09812.19304.25012.77181.77903.05822.41794.5189
H112.42893.46993.37382.21661.09054.75194.36622.73991.78712.41795.4232
H123.52731.95872.59754.05914.48550.99102.57414.75664.83774.51895.4232

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 115.798 S1 C2 O6 113.615
S1 C5 C4 106.741 S1 C5 H9 108.172
S1 C5 H11 109.322 C2 S1 C5 89.239
C2 C3 C4 113.789 C2 C3 H7 124.050
C2 O6 H12 110.499 C3 C2 O6 130.577
C3 C4 C5 105.459 C3 C4 H8 112.410
C3 C4 H10 110.398 C4 C3 H7 122.060
C4 C5 H9 109.983 C4 C5 H11 112.577
C5 C4 H8 109.790 C5 C4 H10 110.233
H8 C4 H10 108.529 H9 C5 H11 109.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.268      
2 C 0.092      
3 C -0.252      
4 C -0.434      
5 C -0.574      
6 O -0.598      
7 H 0.201      
8 H 0.220      
9 H 0.242      
10 H 0.224      
11 H 0.235      
12 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.812 2.669 0.085 2.791
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.498 -5.561 0.699
y -5.561 -41.709 0.007
z 0.699 0.007 -45.335
Traceless
 xyz
x 6.024 -5.561 0.699
y -5.561 -0.292 0.007
z 0.699 0.007 -5.732
Polar
3z2-r2-11.465
x2-y24.211
xy-5.561
xz0.699
yz0.007


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.500 0.376 0.042
y 0.376 9.350 0.156
z 0.042 0.156 4.788


<r2> (average value of r2) Å2
<r2> 181.929
(<r2>)1/2 13.488