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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-3-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-626.184704
Energy at 298.15K-626.191728
Nuclear repulsion energy282.854901
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 3497 3375 12.32      
2 A 3298 3182 6.00      
3 A 3192 3080 5.72      
4 A 3121 3012 18.77      
5 A 3067 2960 11.92      
6 A 3034 2928 28.62      
7 A 1734 1673 18.98      
8 A 1535 1481 3.01      
9 A 1523 1469 4.76      
10 A 1361 1313 21.97      
11 A 1329 1283 19.45      
12 A 1300 1254 86.29      
13 A 1255 1211 1.44      
14 A 1217 1175 11.80      
15 A 1187 1145 4.75      
16 A 1139 1099 133.29      
17 A 1009 974 0.88      
18 A 990 955 1.17      
19 A 900 868 15.39      
20 A 847 817 58.80      
21 A 799 771 11.71      
22 A 772 745 33.06      
23 A 637 615 4.15      
24 A 525 506 1.96      
25 A 495 478 2.00      
26 A 455 439 9.27      
27 A 359 347 5.95      
28 A 251 242 52.06      
29 A 216 209 90.52      
30 A 135 131 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 20589.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19866.7 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 B3LYP/3-21G
ABC
0.19298 0.07570 0.05622

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 -1.608 -0.561 -0.078
C2 0.136 -1.135 0.081
C3 1.043 -0.160 0.012
C4 0.501 1.248 -0.206
C5 -0.979 1.237 0.226
O6 2.415 -0.404 0.003
H7 0.346 -2.186 0.181
H8 1.059 1.990 0.381
H9 -1.604 1.914 -0.354
H10 0.596 1.510 -1.268
H11 -1.083 1.428 1.294
H12 2.899 0.411 0.299

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.84292.68352.78161.92924.02702.55503.71932.49063.25082.47264.6261
C21.84291.33332.42722.62472.39431.07683.27183.53703.00443.08643.1732
C32.68351.33331.52492.46761.39282.14882.18163.38322.15192.94771.9622
C42.78162.42721.52491.54122.53733.45891.09832.21241.09882.18852.5897
C51.92922.62472.46761.54123.77653.67092.17811.08832.18801.09033.9656
O64.02702.39431.39282.53733.77652.73552.77744.65332.93094.15460.9930
H72.55501.07682.14883.45893.67092.73554.24084.57163.97794.04263.6429
H83.71933.27182.18161.09832.17812.77744.24082.76331.77892.39552.4261
H92.49063.53703.38322.21241.08834.65334.57162.76332.41651.79504.7916
H103.25083.00442.15191.09882.18802.93093.97791.77892.41653.06472.9943
H112.47263.08642.94772.18851.09034.15464.04262.39551.79503.06474.2288
H124.62613.17321.96222.58973.96560.99303.64292.42614.79162.99434.2288

picture of 4,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 114.363 S1 C2 H7 119.791
S1 C5 C4 106.006 S1 C5 H9 107.990
S1 C5 H11 106.622 C2 S1 C5 88.153
C2 C3 C4 116.090 C2 C3 O6 122.849
C3 C2 H7 125.808 C3 C4 C5 107.179
C3 C4 H8 111.505 C3 C4 H10 109.126
C3 O6 H12 109.515 C4 C3 C5 36.635
C4 C5 H9 113.450 C4 C5 H11 111.392
C5 C4 H8 110.082 C5 C4 H10 110.836
H8 C4 H10 108.128 H9 C5 H11 110.963
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 0.318      
2 C -0.527      
3 C 0.335      
4 C -0.450      
5 C -0.599      
6 O -0.567      
7 H 0.228      
8 H 0.201      
9 H 0.235      
10 H 0.232      
11 H 0.241      
12 H 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.647 3.062 0.682 3.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.367 2.299 1.430
y 2.299 -39.444 0.101
z 1.430 0.101 -44.972
Traceless
 xyz
x -1.159 2.299 1.430
y 2.299 4.725 0.101
z 1.430 0.101 -3.566
Polar
3z2-r2-7.132
x2-y2-3.923
xy2.299
xz1.430
yz0.101


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.374 1.086 0.232
y 1.086 9.040 0.070
z 0.232 0.070 4.625


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