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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-626.182382
Energy at 298.15K-626.189609
Nuclear repulsion energy288.555692
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 B3LYP/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 3488 3366 6.57      
2 A 3271 3156 4.29      
3 A 3212 3099 1.95      
4 A 3115 3005 5.24      
5 A 3084 2975 45.61      
6 A 3051 2944 8.77      
7 A 1664 1605 8.83      
8 A 1512 1459 5.41      
9 A 1417 1367 4.92      
10 A 1350 1302 8.29      
11 A 1344 1297 10.07      
12 A 1296 1250 94.83      
13 A 1259 1215 1.46      
14 A 1199 1157 15.74      
15 A 1158 1118 0.88      
16 A 1043 1007 77.17      
17 A 1000 965 14.89      
18 A 961 927 1.01      
19 A 923 890 44.12      
20 A 870 840 32.75      
21 A 819 790 23.82      
22 A 713 688 32.96      
23 A 700 675 55.05      
24 A 601 580 16.53      
25 A 500 482 7.50      
26 A 413 398 14.21      
27 A 366 353 6.27      
28 A 362 349 116.82      
29 A 281 272 76.28      
30 A 115 111 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 20541.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19820.9 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 B3LYP/3-21G
ABC
0.12729 0.10873 0.07062

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.575 -1.265 0.207
C2 0.976 -0.090 0.430
C3 0.394 1.330 0.528
C4 -0.924 1.362 -0.224
C5 -1.514 0.187 -0.430
O6 1.814 -0.115 -0.727
H7 1.462 -0.430 1.349
H8 1.134 2.011 0.098
H9 -1.358 2.304 -0.536
H10 -2.460 0.007 -0.916
H11 0.232 1.595 1.582
H12 2.078 -1.057 -0.910

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.95822.78832.68501.84312.81102.47963.69713.72922.53703.27422.8860
C21.95821.53822.47962.64861.42871.09352.13373.48083.69192.17251.9857
C32.78831.53821.51802.42092.38352.21601.09472.26953.46121.09803.2558
C42.68502.47961.51801.32993.15173.37312.18261.08342.16152.15703.9157
C51.84312.64862.42091.32993.35483.52093.25842.12531.07943.01233.8313
O62.81101.42872.38353.15173.35482.12912.38003.99434.28023.27950.9946
H72.47961.09352.21603.37313.52092.12912.76264.35654.55012.38012.4241
H83.69712.13371.09472.18263.25842.38002.76262.58844.23841.78553.3642
H93.72923.48082.26951.08342.12533.99434.35652.58842.57602.74134.8212
H102.53703.69193.46122.16151.07944.28024.55014.23842.57604.00114.6612
H113.27422.17251.09802.15703.01233.27952.38011.78552.74134.00114.0797
H122.88601.98573.25583.91573.83130.99462.42413.36424.82124.66124.0797

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 105.147 S1 C2 O6 111.226
S1 C2 H7 105.130 S1 C5 C4 114.633
S1 C5 H10 118.102 C2 S1 C5 88.280
C2 C3 C4 108.451 C2 C3 H8 107.068
C2 C3 H11 109.874 C2 O6 H12 108.732
C3 C2 O6 106.850 C3 C2 H7 113.637
C3 C4 C5 116.278 C3 C4 H9 120.563
C4 C3 H8 112.296 C4 C3 H11 110.049
C4 C5 H10 127.265 C5 C4 H9 123.124
O6 C2 H7 114.509 H8 C3 H11 109.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.263      
2 C -0.159      
3 C -0.423      
4 C -0.118      
5 C -0.484      
6 O -0.531      
7 H 0.217      
8 H 0.239      
9 H 0.200      
10 H 0.223      
11 H 0.218      
12 H 0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.648 0.662 0.529 1.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.174 -4.564 3.330
y -4.564 -41.362 1.674
z 3.330 1.674 -44.302
Traceless
 xyz
x 2.658 -4.564 3.330
y -4.564 0.875 1.674
z 3.330 1.674 -3.533
Polar
3z2-r2-7.067
x2-y21.188
xy-4.564
xz3.330
yz1.674


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.764 0.414 0.856
y 0.414 9.922 -0.098
z 0.856 -0.098 5.575


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