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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-43.203825
Energy at 298.15K-43.215953
Nuclear repulsion energy134.957124
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 HF/CEP-31G*
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 3321 2982 62.26      
2 A 3302 2965 99.45      
3 A 3284 2949 81.24      
4 A 3278 2944 65.72      
5 A 3271 2938 26.18      
6 A 3260 2928 59.29      
7 A 3253 2921 5.44      
8 A 3232 2903 56.64      
9 A 3220 2892 74.61      
10 A 3213 2885 32.46      
11 A 1645 1477 0.35      
12 A 1625 1459 4.74      
13 A 1623 1457 1.71      
14 A 1618 1453 4.73      
15 A 1616 1451 2.65      
16 A 1551 1393 0.86      
17 A 1516 1362 1.15      
18 A 1482 1331 1.37      
19 A 1440 1293 4.81      
20 A 1432 1286 8.90      
21 A 1404 1261 38.07      
22 A 1344 1207 5.24      
23 A 1311 1177 4.35      
24 A 1263 1134 1.26      
25 A 1194 1072 0.30      
26 A 1161 1043 2.99      
27 A 1119 1005 4.16      
28 A 1103 991 0.58      
29 A 1044 938 1.82      
30 A 1026 922 2.77      
31 A 958 860 1.10      
32 A 922 828 1.97      
33 A 909 817 2.63      
34 A 757 680 3.94      
35 A 699 628 5.07      
36 A 560 503 0.28      
37 A 493 443 0.07      
38 A 435 390 0.49      
39 A 300 270 0.70      
40 A 270 242 0.12      
41 A 255 229 0.21      
42 A 95 85 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 33400.8 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 29993.9 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 HF/CEP-31G*
ABC
0.13979 0.09194 0.06079

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.260 0.050 0.190
H2 2.210 0.188 1.271
H3 2.810 -0.871 -0.019
H4 2.825 0.881 -0.233
S5 -0.110 1.517 -0.122
C6 -1.688 0.650 0.251
H7 -2.500 1.125 -0.293
H8 -1.894 0.725 1.317
C9 0.851 -0.032 -0.416
H10 0.935 -0.167 -1.494
C11 -1.478 -0.819 -0.170
H12 -1.641 -0.919 -1.244
H13 -2.185 -1.476 0.338
C14 -0.019 -1.162 0.167
H15 0.280 -2.128 -0.244
H16 0.113 -1.204 1.250

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.09051.09331.09092.80443.99344.90394.35611.53632.15353.85474.26804.70152.58092.97552.7027
H21.09051.77381.76713.01464.05545.05074.13892.17783.06504.08584.73114.79082.83003.37422.5172
H31.09331.77381.76563.77344.75565.67975.14362.16802.48704.29134.61705.04392.84972.83402.9993
H41.09091.76711.76563.00504.54475.33124.96922.18272.50164.62744.92055.56603.52443.94133.7289
S52.80443.01463.77343.00501.83872.42832.42461.84612.41002.70723.08853.67042.69553.66773.0551
C63.99344.05544.75564.54471.83871.08701.08812.71203.25421.54172.16772.18432.46453.43982.7705
H74.90395.05075.67975.33122.42831.08701.76563.54753.86202.19942.41322.69463.40564.27963.8251
H84.35614.13895.14364.96922.42461.08811.76563.33314.08612.18323.05382.42612.89803.91172.7842
C91.53632.17782.16802.18271.84612.71203.54753.33311.08892.47082.77193.44521.54042.17942.1668
H102.15353.06502.48702.50162.41003.25423.86204.08611.08892.82872.69573.84742.15772.41593.0460
C113.85474.08584.29134.62742.70721.54172.19942.18322.47082.82871.09091.09051.53672.19362.1671
H124.26804.73114.61704.92053.08852.16772.41323.05382.77192.69571.09091.76302.16362.48023.0622
H134.70154.79085.04395.56603.67042.18432.69462.42613.44523.84741.09051.76302.19542.61522.4867
C142.58092.83002.84973.52442.69552.46453.40562.89801.54042.15771.53672.16362.19541.09171.0920
H152.97553.37422.83403.94133.66773.43984.27963.91172.17942.41592.19362.48022.61521.09171.7646
H162.70272.51722.99933.72893.05512.77053.82512.78422.16683.04602.16713.06222.48671.09201.7646

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 111.691 C1 C9 H10 109.050
C1 C9 C14 114.042 H2 C1 H3 108.634
H2 C1 H4 108.206 H2 C1 C9 110.868
H3 C1 H4 107.870 H3 C1 C9 109.929
H4 C1 C9 111.239 S5 C6 H7 109.498
S5 C6 H8 109.165 S5 C6 C11 106.089
S5 C9 H10 107.583 S5 C9 C14 105.137
C6 S5 C9 94.782 C6 C11 H12 109.670
C6 C11 H13 111.009 C6 C11 C14 106.370
H7 C6 H8 108.533 H7 C6 C11 112.436
H8 C6 C11 111.058 C9 C14 C11 106.829
C9 C14 H15 110.636 C9 C14 H16 109.620
H10 C9 C14 109.093 C11 C14 H15 112.029
C11 C14 H16 109.902 H12 C11 H13 107.844
H12 C11 C14 109.690 H13 C11 C14 112.248
H15 C14 H16 107.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274      
2 H 0.116      
3 H 0.103      
4 H 0.137      
5 S -0.154      
6 C -0.310      
7 H 0.158      
8 H 0.124      
9 C -0.188      
10 H 0.129      
11 C -0.104      
12 H 0.085      
13 H 0.156      
14 C -0.208      
15 H 0.133      
16 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.450 -2.285 0.076 2.330
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.890 -0.650 -1.128
y -0.650 -49.198 0.598
z -1.128 0.598 -45.285
Traceless
 xyz
x 5.351 -0.650 -1.128
y -0.650 -5.611 0.598
z -1.128 0.598 0.260
Polar
3z2-r20.520
x2-y27.308
xy-0.650
xz-1.128
yz0.598


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.097 -0.075 -0.363
y -0.075 10.094 0.051
z -0.363 0.051 7.430


<r2> (average value of r2) Å2
<r2> 157.344
(<r2>)1/2 12.544