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All results from a given calculation for C5H10S (Thiophene, tetrahydro-2-methyl-)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-591.265951
Energy at 298.15K-591.277606
Nuclear repulsion energy304.930238
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 PBEPBE/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 3099 3071 10.98      
2 A 3072 3044 24.62      
3 A 3051 3024 30.42      
4 A 3048 3021 13.61      
5 A 3039 3011 9.16      
6 A 3029 3001 14.85      
7 A 3019 2991 3.19      
8 A 2994 2967 17.12      
9 A 2984 2956 23.83      
10 A 2976 2949 16.21      
11 A 1516 1503 10.01      
12 A 1504 1490 7.63      
13 A 1496 1483 0.85      
14 A 1487 1473 10.64      
15 A 1482 1468 4.06      
16 A 1412 1399 10.03      
17 A 1352 1340 2.50      
18 A 1345 1332 0.87      
19 A 1313 1301 2.45      
20 A 1274 1263 16.53      
21 A 1263 1252 8.23      
22 A 1217 1206 5.87      
23 A 1177 1166 12.61      
24 A 1127 1117 0.76      
25 A 1086 1076 0.19      
26 A 1069 1060 2.54      
27 A 1028 1019 6.77      
28 A 1003 994 1.91      
29 A 969 960 5.27      
30 A 938 929 5.03      
31 A 885 876 1.37      
32 A 849 842 1.60      
33 A 829 821 4.67      
34 A 632 626 3.60      
35 A 589 583 4.59      
36 A 514 510 1.32      
37 A 443 439 0.16      
38 A 397 394 1.05      
39 A 281 278 1.76      
40 A 260 258 0.28      
41 A 237 235 0.20      
42 A 94 93 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 30688.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 30409.6 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 PBEPBE/3-21G
ABC
0.13293 0.09023 0.05915

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.290 0.142 0.227
H2 -2.186 0.011 1.318
H3 -2.878 1.058 0.026
H4 -2.847 -0.720 -0.177
S5 0.116 -1.345 -0.076
C6 1.711 -0.342 0.309
H7 2.553 -0.828 -0.205
H8 1.865 -0.360 1.399
C9 -0.905 0.258 -0.419
H10 -0.983 0.350 -1.516
C11 1.432 1.087 -0.200
H12 1.564 1.124 -1.297
H13 2.127 1.809 0.267
C14 -0.040 1.400 0.152
H15 -0.365 2.371 -0.266
H16 -0.161 1.427 1.252

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.10341.10651.10342.84494.03094.95784.34601.53292.18833.86414.25924.72122.57922.98612.6895
H21.10341.80091.79093.01364.04065.04764.06832.17233.09684.06844.70494.78922.80963.37522.4715
H31.10651.80091.78973.84034.80595.75325.13712.17492.54284.31624.63525.06672.86152.85033.0036
H41.10341.79091.78973.03044.59955.40094.98162.18822.53214.64554.91065.59783.53363.96533.7239
S52.84493.01363.84033.03041.92252.49382.49031.93132.48112.76783.11133.75562.75883.75143.0855
C64.03094.04064.80594.59951.92251.09981.10092.78083.32711.54262.17942.19122.47493.46412.7422
H74.95785.04765.75325.40092.49381.09981.80763.63033.95082.21862.44482.71233.43694.32983.8170
H84.34604.06835.13714.98162.49031.10091.80763.37044.13702.19993.09222.46112.87803.89932.7052
C91.53292.17232.17492.18821.93132.78083.63033.37041.10332.48952.75973.47391.54242.18592.1705
H102.18833.09682.54282.53212.48113.32713.95084.13701.10332.84782.67153.87042.18492.45483.0813
C113.86414.06844.31624.64552.76781.54262.21862.19992.48952.84781.10531.10511.54552.20962.1818
H124.25924.70494.63524.91063.11132.17942.44483.09222.75972.67151.10531.79742.17882.51753.0922
H134.72124.78925.06675.59783.75562.19122.71232.46113.47393.87041.10511.79742.20802.60962.5200
C142.57922.80962.86153.53362.75882.47493.43692.87801.54242.18491.54552.17882.20801.10571.1068
H152.98613.37522.85033.96533.75143.46414.32983.89932.18592.45482.20962.51752.60961.10571.7993
H162.68952.47153.00363.72393.08552.74223.81702.70522.17053.08132.18183.09222.52001.10681.7993

picture of Thiophene, tetrahydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C9 S5 109.885 C1 C9 H10 111.165
C1 C9 C14 114.002 H2 C1 H3 109.155
H2 C1 H4 108.497 H2 C1 C9 109.900
H3 C1 H4 108.165 H3 C1 C9 109.919
H4 C1 C9 111.156 S5 C6 H7 108.094
S5 C6 H8 107.796 S5 C6 C11 105.501
S5 C9 H10 106.477 S5 C9 C14 104.605
C6 S5 C9 92.372 C6 C11 H12 109.684
C6 C11 H13 110.617 C6 C11 C14 106.532
H7 C6 H8 110.440 H7 C6 C11 113.134
H8 C6 C11 111.560 C9 C14 C11 107.455
C9 C14 H15 110.181 C9 C14 H16 108.922
H10 C9 C14 110.245 C11 C14 H15 111.828
C11 C14 H16 109.583 H12 C11 H13 108.804
H12 C11 C14 109.436 H13 C11 C14 111.737
H15 C14 H16 108.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.576      
2 H 0.219      
3 H 0.207      
4 H 0.218      
5 S 0.219      
6 C -0.627      
7 H 0.242      
8 H 0.239      
9 C -0.463      
10 H 0.241      
11 C -0.410      
12 H 0.222      
13 H 0.218      
14 C -0.381      
15 H 0.216      
16 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.334 2.410 0.053 2.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.095 -0.266 0.942
y -0.266 -48.725 -0.387
z 0.942 -0.387 -46.092
Traceless
 xyz
x 5.313 -0.266 0.942
y -0.266 -4.631 -0.387
z 0.942 -0.387 -0.682
Polar
3z2-r2-1.364
x2-y26.630
xy-0.266
xz0.942
yz-0.387


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.198 -0.129 0.377
y -0.129 10.145 -0.033
z 0.377 -0.033 7.594


<r2> (average value of r2) Å2
<r2> 209.878
(<r2>)1/2 14.487