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

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-629.530194
Energy at 298.15K-629.537501
HF Energy-629.530194
Nuclear repulsion energy293.539634
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/TZVP
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 3798 3667 36.01      
2 A 3226 3115 4.84      
3 A 3192 3082 1.61      
4 A 3081 2974 8.14      
5 A 3058 2952 40.96      
6 A 3019 2914 16.24      
7 A 1646 1589 12.16      
8 A 1466 1416 4.94      
9 A 1394 1346 3.29      
10 A 1346 1299 2.49      
11 A 1327 1281 17.43      
12 A 1284 1240 75.91      
13 A 1228 1185 24.87      
14 A 1181 1140 20.41      
15 A 1129 1090 1.24      
16 A 1053 1016 73.06      
17 A 1005 971 14.31      
18 A 936 904 38.29      
19 A 927 895 0.33      
20 A 872 842 31.41      
21 A 818 789 20.37      
22 A 755 729 28.02      
23 A 682 658 46.19      
24 A 639 617 12.59      
25 A 549 530 1.46      
26 A 425 410 5.67      
27 A 379 366 6.43      
28 A 360 347 27.89      
29 A 254 245 138.66      
30 A 130 125 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 20578.3 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 19866.3 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/TZVP
ABC
0.13315 0.11192 0.07263

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.256 -1.292 -0.030
C2 0.866 0.165 0.379
C3 0.098 1.424 -0.046
C4 -1.372 1.096 -0.015
C5 -1.661 -0.203 -0.048
O6 2.110 0.128 -0.266
H7 0.991 0.148 1.466
H8 0.409 1.684 -1.064
H9 -2.129 1.870 -0.036
H10 -2.650 -0.638 -0.087
H11 0.361 2.264 0.599
H12 2.658 -0.570 0.106

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.88362.73882.63541.77752.76902.42203.21963.67432.48243.66373.0052
C21.88361.53492.45582.58931.40111.09452.14433.47073.63672.17051.9561
C32.73881.53491.50652.39642.40332.17071.09622.27043.43591.09173.2490
C42.63542.45581.50651.33113.62252.94572.14941.08242.15492.17924.3627
C51.77752.58932.39641.33113.79163.07412.98002.12501.08103.25564.3376
O62.76901.40112.40333.62253.79162.06152.43934.58784.82432.89300.9625
H72.42201.09452.17072.94573.07412.06153.01663.86694.03612.37202.2681
H83.21962.14431.09622.14942.98002.43933.01662.74433.96281.76283.3924
H93.67433.47072.27041.08242.12504.58783.86692.74432.56192.59985.3745
H102.48243.63673.43592.15491.08104.82434.03613.96282.56194.23845.3122
H113.66372.17051.09172.17923.25562.89302.37201.76282.59984.23843.6816
H123.00521.95613.24904.36274.33760.96252.26813.39245.37455.31223.6816

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 106.035 S1 C2 O6 114.110
S1 C2 H7 105.762 S1 C5 C4 115.191
S1 C5 H10 118.514 C2 S1 C5 89.976
C2 C3 C4 107.691 C2 C3 H8 108.007
C2 C3 H11 110.311 C2 O6 H12 110.326
C3 C2 O6 109.801 C3 C2 H7 110.160
C3 C4 C5 115.096 C3 C4 H9 121.696
C4 C3 H8 110.344 C4 C3 H11 113.039
C4 C5 H10 126.294 C5 C4 H9 123.071
O6 C2 H7 110.793 H8 C3 H11 107.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.009      
2 C -0.148      
3 C -0.172      
4 C -0.181      
5 C -0.161      
6 O -0.332      
7 H 0.157      
8 H 0.142      
9 H 0.137      
10 H 0.167      
11 H 0.130      
12 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.122 0.340 0.621 0.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.797 -3.727 3.088
y -3.727 -41.961 1.931
z 3.088 1.931 -44.799
Traceless
 xyz
x 2.583 -3.727 3.088
y -3.727 0.837 1.931
z 3.088 1.931 -3.420
Polar
3z2-r2-6.839
x2-y21.164
xy-3.727
xz3.088
yz1.931


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.283 0.177 0.654
y 0.177 11.505 -0.004
z 0.654 -0.004 7.516


<r2> (average value of r2) Å2
<r2> 171.195
(<r2>)1/2 13.084