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All results from a given calculation for C5H10S (Thiophene, tetrahydro-3-methyl-)

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-594.634373
Energy at 298.15K-594.646228
Nuclear repulsion energy312.659758
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 3144 3008 15.34      
2 A 3138 3002 27.94      
3 A 3137 3001 18.59      
4 A 3130 2995 24.11      
5 A 3110 2976 26.05      
6 A 3088 2954 10.58      
7 A 3084 2951 52.11      
8 A 3065 2933 34.28      
9 A 3057 2924 24.89      
10 A 3051 2919 8.84      
11 A 1536 1470 6.23      
12 A 1531 1465 1.52      
13 A 1518 1453 6.00      
14 A 1511 1446 3.57      
15 A 1502 1437 4.13      
16 A 1435 1373 10.66      
17 A 1386 1326 5.64      
18 A 1358 1299 1.00      
19 A 1332 1275 3.76      
20 A 1312 1255 6.13      
21 A 1274 1219 13.27      
22 A 1249 1195 4.93      
23 A 1196 1144 2.20      
24 A 1151 1101 0.15      
25 A 1093 1046 1.08      
26 A 1082 1035 1.12      
27 A 1053 1007 0.44      
28 A 1008 965 1.82      
29 A 973 931 0.22      
30 A 943 902 0.43      
31 A 912 873 3.22      
32 A 866 829 1.12      
33 A 811 776 1.54      
34 A 730 698 5.26      
35 A 700 670 2.51      
36 A 615 588 1.05      
37 A 497 475 0.10      
38 A 378 361 0.14      
39 A 352 337 0.14      
40 A 233 223 0.09      
41 A 196 187 0.31      
42 A 111 106 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 31423.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30062.5 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
0.14217 0.08630 0.07054

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)
S1 -1.468 -0.450 -0.262
C2 1.894 -0.308 -0.814
H3 1.227 -0.241 -1.681
H4 2.664 0.466 -0.915
H5 2.393 -1.283 -0.856
C6 -0.022 -1.162 0.628
H7 0.228 -2.130 0.184
H8 -0.289 -1.323 1.677
C9 1.123 -0.147 0.498
H10 1.821 -0.294 1.334
C11 -0.754 1.245 -0.315
H12 -1.513 1.967 -0.000
H13 -0.462 1.483 -1.342
C14 0.452 1.228 0.626
H15 0.109 1.369 1.659
H16 1.146 2.046 0.393

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.40933.05294.28173.99361.84112.42872.43142.71733.65921.83942.43122.43222.70003.07983.6723
C23.40931.09591.09631.09602.54432.66303.46371.52952.14903.10954.17583.00582.55123.47972.7482
H33.05291.09591.77491.76712.78132.83653.83992.18353.07352.82843.89962.43742.84283.87253.0881
H44.28171.09631.77491.77073.49823.72574.31682.17802.51883.55614.53083.31432.80083.73662.5511
H53.99361.09601.76711.77072.83622.54683.68922.17592.47044.07215.15194.00423.50224.30953.7673
C61.84112.54432.78133.49822.83621.09441.09501.53522.15592.68583.52193.32692.43592.73593.4209
H72.42872.66302.83653.72572.54681.09441.77472.19872.68983.55014.45533.98283.39473.79954.2806
H82.43143.46373.83994.31683.68921.09501.77472.18342.37263.28233.88984.12532.85632.72123.8796
C92.71731.52952.18352.17802.17591.53522.19872.18341.09892.47423.41542.92521.53542.16212.1952
H103.65922.14903.07352.51882.47042.15592.68982.37261.09893.42294.24323.94112.16582.40872.6104
C111.83943.10952.82843.55614.07212.68583.55013.28232.47423.42291.09351.09471.52972.15732.1796
H122.43124.17583.89964.53085.15193.52194.45533.88983.41544.24321.09351.77172.19062.39562.6883
H132.43223.00582.43743.31434.00423.32693.98284.12532.92523.94111.09471.77172.18513.05672.4311
C142.70002.55122.84282.80083.50222.43593.39472.85631.53542.16581.52972.19062.18511.09711.0972
H153.07983.47973.87253.73664.30952.73593.79952.72122.16212.40872.15732.39563.05671.09711.7702
H163.67232.74823.08812.55113.76733.42094.28063.87962.19522.61042.17962.68832.43111.09721.7702

picture of Thiophene, tetrahydro-3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C6 H7 108.987 S1 C6 H8 109.155
S1 C6 C9 106.837 S1 C11 H12 109.328
S1 C11 H13 109.340 S1 C11 C14 106.161
C2 C9 C6 112.240 C2 C9 H10 108.584
C2 C9 C14 112.695 H3 C2 H4 108.127
H3 C2 H5 107.456 H3 C2 C9 111.477
H4 C2 H5 107.739 H4 C2 C9 111.014
H5 C2 C9 110.864 C6 S1 C11 93.730
C6 C9 H10 108.734 C6 C9 C14 104.990
H7 C6 H8 108.302 H7 C6 C9 112.384
H8 C6 C9 111.115 C9 C14 C11 107.651
C9 C14 H15 109.307 C9 C14 H16 111.917
H10 C9 C14 109.489 C11 C14 H15 109.315
C11 C14 H16 111.067 H12 C11 H13 108.126
H12 C11 C14 112.177 H13 C11 C14 111.661
H15 C14 H16 107.558
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 S 0.078     -0.277
2 C -0.511     -0.325
3 H 0.187     0.091
4 H 0.167     0.102
5 H 0.170     0.076
6 C -0.467     -0.147
7 H 0.198     0.124
8 H 0.196     0.091
9 C -0.140     0.171
10 H 0.167     0.022
11 C -0.475     0.003
12 H 0.201     0.087
13 H 0.197     0.081
14 C -0.317     -0.318
15 H 0.177     0.117
16 H 0.172     0.103


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.966 0.839 0.715 2.254
CHELPG        
AIM        
ESP 1.965 0.874 0.717 2.267


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.426 -2.001 -0.150
y -2.001 -42.758 -1.257
z -0.150 -1.257 -45.389
Traceless
 xyz
x -4.353 -2.001 -0.150
y -2.001 4.150 -1.257
z -0.150 -1.257 0.203
Polar
3z2-r20.406
x2-y2-5.668
xy-2.001
xz-0.150
yz-1.257


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> 194.625
(<r2>)1/2 13.951