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All results from a given calculation for C4H6OS (Dihydro-2-(3H)-thiophenone)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-629.328119
Energy at 298.15K-629.335730
Nuclear repulsion energy291.203430
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3153 3017 10.30      
2 A 3142 3006 7.56      
3 A 3125 2990 16.95      
4 A 3087 2953 18.91      
5 A 3076 2943 22.97      
6 A 3057 2925 6.65      
7 A 1846 1766 356.82      
8 A 1523 1457 0.37      
9 A 1508 1442 6.55      
10 A 1481 1416 7.73      
11 A 1375 1315 0.44      
12 A 1327 1270 6.03      
13 A 1321 1264 6.35      
14 A 1260 1205 2.44      
15 A 1202 1150 1.55      
16 A 1129 1080 7.84      
17 A 1081 1035 58.34      
18 A 1044 998 4.82      
19 A 1041 996 49.63      
20 A 932 892 9.54      
21 A 880 842 8.04      
22 A 846 810 15.02      
23 A 706 675 2.22      
24 A 632 604 37.44      
25 A 602 576 11.38      
26 A 483 462 0.97      
27 A 477 456 1.96      
28 A 401 384 3.17      
29 A 228 218 1.50      
30 A 131 125 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 21047.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20135.9 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 B3PW91/6-31G*
ABC
0.14741 0.10420 0.06445

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.124 1.419 0.189
H2 -0.586 2.253 -0.348
H3 -0.132 1.671 1.259
C4 1.280 1.069 -0.287
H5 2.033 1.767 0.094
H6 1.317 1.103 -1.382
C7 1.576 -0.359 0.185
H8 1.861 -0.383 1.242
H9 2.371 -0.832 -0.398
C10 -1.004 0.184 0.019
O11 -2.204 0.167 -0.054
S12 0.025 -1.299 -0.042

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.09371.09951.52282.18772.15462.46022.88093.41121.52542.43992.7318
H21.09371.76832.20972.69992.45123.43203.93244.27322.14212.65673.6170
H31.09951.76832.17762.46053.06482.86202.86203.90792.12342.87783.2462
C41.52282.20972.17761.09551.09631.53332.18762.19532.46793.60652.6913
H52.18772.69992.46051.09551.76972.17712.44412.66713.42584.53233.6680
H62.15462.45123.06481.09631.76972.15893.06452.41392.86213.87793.0390
C72.46023.43202.86201.53332.17712.15891.09531.09292.64163.82421.8275
H82.88093.93242.86202.18762.44413.06451.09531.77473.16644.30242.4204
H93.41124.27323.90792.19532.66712.41391.09291.77473.54884.69552.4178
C101.52542.14212.12342.46793.42582.86212.64163.16643.54881.20291.8063
O112.43992.65672.87783.60654.53233.87793.82424.30244.69551.20292.6684
S122.73183.61703.24622.69133.66803.03901.82752.42042.41781.80632.6684

picture of Dihydro-2-(3H)-thiophenone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 112.316 C1 C4 H6 109.627
C1 C4 C7 107.222 C1 C10 O11 126.426
C1 C10 S12 109.876 H2 C1 H3 107.461
H2 C1 C4 114.243 H2 C1 C10 108.627
H3 C1 C4 111.258 H3 C1 C10 106.861
C4 C1 C10 108.120 C4 C7 H8 111.567
C4 C7 H9 112.338 C4 C7 S12 106.081
H5 C4 H6 107.688 H5 C4 C7 110.723
H6 C4 C7 109.239 C7 S12 C10 93.263
H8 C7 H9 108.386 H8 C7 S12 109.232
H9 C7 S12 109.169 O11 C10 S12 123.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385     -0.180
2 H 0.214     0.095
3 H 0.209     0.104
4 C -0.347     -0.101
5 H 0.187     0.070
6 H 0.196     0.080
7 C -0.496     -0.193
8 H 0.209     0.124
9 H 0.213     0.143
10 C 0.268     0.442
11 O -0.423     -0.399
12 S 0.154     -0.185


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.694 1.860 0.390 4.154
CHELPG        
AIM        
ESP 3.694 1.891 0.423 4.171


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.275 -0.345 -0.035
y -0.345 -42.041 0.147
z -0.035 0.147 -41.730
Traceless
 xyz
x -4.390 -0.345 -0.035
y -0.345 1.961 0.147
z -0.035 0.147 2.428
Polar
3z2-r24.856
x2-y2-4.234
xy-0.345
xz-0.035
yz0.147


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 178.617
(<r2>)1/2 13.365