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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-592.565627
Energy at 298.15K-592.577872
Nuclear repulsion energy310.010738
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/6-31G
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 3333 3009 16.32      
2 A 3327 3004 11.31      
3 A 3274 2956 42.13      
4 A 3269 2952 51.39      
5 A 3264 2947 39.21      
6 A 3255 2939 25.56      
7 A 3243 2928 14.78      
8 A 3208 2897 43.44      
9 A 3191 2881 24.78      
10 A 3188 2878 19.08      
11 A 1665 1503 7.54      
12 A 1662 1501 1.28      
13 A 1652 1491 8.88      
14 A 1643 1484 2.39      
15 A 1641 1482 8.42      
16 A 1580 1427 10.47      
17 A 1522 1374 3.22      
18 A 1496 1351 9.13      
19 A 1462 1320 4.31      
20 A 1436 1296 11.63      
21 A 1392 1257 16.79      
22 A 1360 1228 3.73      
23 A 1308 1181 3.39      
24 A 1271 1148 0.04      
25 A 1197 1081 1.50      
26 A 1176 1062 0.96      
27 A 1143 1032 1.09      
28 A 1083 978 1.40      
29 A 1052 950 0.30      
30 A 1011 913 2.04      
31 A 984 889 3.12      
32 A 929 839 1.17      
33 A 850 767 3.03      
34 A 766 691 7.98      
35 A 706 637 7.86      
36 A 641 579 2.26      
37 A 528 476 0.21      
38 A 409 369 0.14      
39 A 387 350 0.32      
40 A 242 219 0.10      
41 A 203 183 0.36      
42 A 121 109 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 33534.4 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 30278.2 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/6-31G
ABC
0.14024 0.08444 0.06855

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.505 -0.452 -0.257
C2 1.909 -0.316 -0.818
H3 1.255 -0.247 -1.679
H4 2.673 0.449 -0.911
H5 2.401 -1.281 -0.855
C6 0.001 -1.183 0.625
H7 0.238 -2.127 0.161
H8 -0.269 -1.350 1.656
C9 1.133 -0.153 0.494
H10 1.824 -0.292 1.321
C11 -0.748 1.281 -0.303
H12 -1.493 1.984 0.031
H13 -0.483 1.505 -1.324
C14 0.473 1.233 0.618
H15 0.155 1.387 1.644
H16 1.172 2.025 0.371

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.46263.11164.32344.03801.89292.45372.44882.75923.68751.89132.45262.45202.74203.12303.7008
C23.46261.08381.08461.08442.54452.65173.45481.53322.14073.14224.19353.04892.55453.46982.7269
H33.11161.08381.75621.75002.78542.82063.82952.17903.05402.87053.93152.49372.84313.86363.0617
H44.32341.08461.75621.75213.48703.70304.29902.16982.50033.57244.53873.35362.79183.70802.5260
H54.03801.08441.75001.75212.82162.53533.66642.16862.45934.09725.15904.03803.49494.29123.7345
C61.89292.54452.78543.48702.82161.07851.07871.53572.14442.73743.55173.35582.46172.76893.4241
H72.45372.65172.82063.70302.53531.07851.75952.19292.68833.57804.46253.99013.39953.81534.2609
H82.44883.45483.82954.29903.66641.07871.75952.17922.36893.31533.90584.13302.88132.77013.8883
C92.75921.53322.17902.16982.16861.53572.19292.17921.08632.49593.41722.94421.54042.15662.1816
H103.68752.14073.05402.50032.45932.14442.68832.36891.08633.42434.22443.94322.15522.38932.5873
C111.89133.14222.87053.57244.09722.73743.57803.31532.49593.42431.07791.07821.53052.14942.1669
H122.45264.19353.93154.53875.15903.55174.46253.90583.41724.22441.07791.75682.18502.38222.6874
H132.45203.04892.49373.35364.03803.35583.99014.13302.94423.94321.07821.75682.18223.03862.4259
C142.74202.55452.84312.79183.49492.46173.39952.88131.54042.15521.53052.18502.18221.08491.0846
H153.12303.46983.86363.70804.29122.76893.81532.77012.15662.38932.14942.38223.03861.08491.7497
H163.70082.72693.06172.52603.73453.42414.26093.88832.18162.58732.16692.68742.42591.08461.7497

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 108.190 S1 C6 H8 107.822
S1 C6 C9 106.713 S1 C11 H12 108.241
S1 C11 H13 108.182 S1 C11 C14 106.036
C2 C9 C6 112.019 C2 C9 H10 108.410
C2 C9 C14 112.430 H3 C2 H4 108.175
H3 C2 H5 107.636 H3 C2 C9 111.591
H4 C2 H5 107.768 H4 C2 C9 110.802
H5 C2 C9 110.720 C6 S1 C11 92.669
C6 C9 H10 108.527 C6 C9 C14 106.313
H7 C6 H8 109.295 H7 C6 C9 112.870
H8 C6 C9 111.738 C9 C14 C11 108.731
C9 C14 H15 109.238 C9 C14 H16 111.233
H10 C9 C14 109.043 C11 C14 H15 109.352
C11 C14 H16 110.752 H12 C11 H13 109.142
H12 C11 C14 112.639 H13 C11 C14 112.388
H15 C14 H16 107.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.199 -0.391    
2 C -0.443 -0.144    
3 H 0.172 0.035    
4 H 0.154 0.054    
5 H 0.157 0.018    
6 C -0.534 0.049    
7 H 0.200 0.070    
8 H 0.198 0.033    
9 C -0.188 0.138    
10 H 0.178 -0.011    
11 C -0.547 0.167    
12 H 0.203 0.030    
13 H 0.197 0.027    
14 C -0.293 -0.185    
15 H 0.174 0.066    
16 H 0.173 0.043    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.409 1.011 0.839 2.744
CHELPG 2.304 1.001 0.818 2.642
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.885 -2.449 -0.368
y -2.449 -43.957 -1.386
z -0.368 -1.386 -46.746
Traceless
 xyz
x -5.533 -2.449 -0.368
y -2.449 4.859 -1.386
z -0.368 -1.386 0.674
Polar
3z2-r21.349
x2-y2-6.928
xy-2.449
xz-0.368
yz-1.386


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.142 0.026 0.501
y 0.026 10.032 -0.323
z 0.501 -0.323 8.172


<r2> (average value of r2) Å2
<r2> 198.944
(<r2>)1/2 14.105