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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-591.731776
Energy at 298.15K-591.743635
Nuclear repulsion energy308.279710
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 B3LYP/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 3175 3064 11.03      
2 A 3167 3056 8.79      
3 A 3128 3018 23.30      
4 A 3118 3008 26.31      
5 A 3113 3003 23.85      
6 A 3107 2997 18.30      
7 A 3102 2993 6.96      
8 A 3066 2959 25.75      
9 A 3053 2946 10.17      
10 A 3052 2945 15.10      
11 A 1576 1520 7.10      
12 A 1562 1508 3.56      
13 A 1545 1491 5.52      
14 A 1535 1481 4.45      
15 A 1530 1476 8.23      
16 A 1460 1408 13.51      
17 A 1407 1357 2.88      
18 A 1368 1320 9.81      
19 A 1338 1291 3.54      
20 A 1321 1275 6.03      
21 A 1268 1224 5.17      
22 A 1249 1205 11.15      
23 A 1200 1158 1.82      
24 A 1168 1127 0.35      
25 A 1108 1069 1.07      
26 A 1084 1046 2.00      
27 A 1043 1006 0.80      
28 A 996 961 1.28      
29 A 964 930 0.51      
30 A 928 896 1.87      
31 A 898 866 3.30      
32 A 853 823 1.24      
33 A 794 767 3.12      
34 A 698 673 7.55      
35 A 642 619 4.95      
36 A 578 557 1.90      
37 A 488 471 0.27      
38 A 382 368 0.35      
39 A 359 346 0.14      
40 A 244 235 0.12      
41 A 194 187 0.17      
42 A 119 115 3.25      

Unscaled Zero Point Vibrational Energy (zpe) 31488.2 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 30382.9 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 B3LYP/3-21G
ABC
0.13552 0.08475 0.06939

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.506 -0.442 -0.264
C2 1.835 -0.353 -0.874
H3 1.092 -0.314 -1.677
H4 2.585 0.428 -1.043
H5 2.337 -1.327 -0.923
C6 -0.003 -1.174 0.685
H7 0.215 -2.154 0.257
H8 -0.287 -1.272 1.734
C9 1.150 -0.168 0.495
H10 1.888 -0.316 1.295
C11 -0.707 1.307 -0.304
H12 -1.455 2.025 0.030
H13 -0.418 1.516 -1.335
C14 0.511 1.237 0.636
H15 0.180 1.379 1.671
H16 1.234 2.023 0.390

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.39772.96034.25413.99751.92242.48222.48272.77613.73661.92322.48532.48242.77433.14723.7431
C23.39771.09471.09581.09582.54612.67303.48561.54222.17023.08954.15992.96422.56203.49582.7585
H32.96031.09471.78331.77312.74192.80983.80182.17783.07672.78353.85682.39732.84483.86123.1231
H44.25411.09581.78331.77633.49943.73754.34102.18582.55033.48624.47493.20762.78803.74862.5344
H53.99751.09581.77311.77632.84242.56423.73392.18142.47824.07195.14993.98003.51184.32423.7633
C61.92242.54612.74193.49942.84241.09081.09101.54192.16382.76213.57403.38922.46522.74303.4407
H72.48222.67302.80983.73752.56421.09081.79182.20742.69303.62484.50594.04953.42413.80524.3013
H82.48273.48563.80184.34103.73391.09101.79182.19502.41573.31333.89054.14752.85182.69213.8698
C92.77611.54222.17782.18582.18141.54192.20742.19501.09782.50303.43772.94031.54992.17232.1957
H103.73662.17023.07672.55032.47822.16382.69302.41571.09783.45294.27273.94822.17692.43492.5920
C111.92323.08952.78353.48624.07192.76213.62483.31332.50303.45291.08991.09011.54062.16692.1820
H122.48534.15993.85684.47495.14993.57404.50593.89053.43774.27271.08991.78792.20372.40562.7130
H132.48242.96422.39733.20763.98003.38924.04954.14752.94033.94821.09011.78792.19693.06802.4415
C142.77432.56202.84482.78803.51182.46523.42412.85181.54992.17691.54062.20372.19691.09601.0962
H153.14723.49583.86123.74864.32422.74303.80522.69212.17232.43492.16692.40563.06801.09601.7796
H163.74312.75853.12312.53443.76333.44074.30133.86982.19572.59202.18202.71302.44151.09621.7796

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 107.715 S1 C6 H8 107.740
S1 C6 C9 106.003 S1 C11 H12 107.920
S1 C11 H13 107.707 S1 C11 C14 105.912
C2 C9 C6 111.293 C2 C9 H10 109.426
C2 C9 C14 111.899 H3 C2 H4 109.000
H3 C2 H5 108.083 H3 C2 C9 110.200
H4 C2 H5 108.296 H4 C2 C9 110.767
H5 C2 C9 110.424 C6 S1 C11 91.820
C6 C9 H10 108.955 C6 C9 C14 105.755
H7 C6 H8 110.416 H7 C6 C9 112.837
H8 C6 C9 111.821 C9 C14 C11 108.170
C9 C14 H15 109.164 C9 C14 H16 110.986
H10 C9 C14 109.416 C11 C14 H15 109.391
C11 C14 H16 110.561 H12 C11 H13 110.196
H12 C11 C14 112.687 H13 C11 C14 112.119
H15 C14 H16 108.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.197     -0.274
2 C -0.536     -0.323
3 H 0.212     0.099
4 H 0.186     0.107
5 H 0.190     0.080
6 C -0.570     -0.204
7 H 0.226     0.148
8 H 0.225     0.114
9 C -0.249     0.143
10 H 0.205     0.036
11 C -0.599     -0.041
12 H 0.230     0.102
13 H 0.227     0.099
14 C -0.352     -0.330
15 H 0.205     0.135
16 H 0.202     0.112


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.202 0.902 0.772 2.501
CHELPG        
AIM        
ESP 2.187 0.936 0.764 2.499


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.630 -2.043 -0.301
y -2.043 -43.433 -1.263
z -0.301 -1.263 -46.013
Traceless
 xyz
x -4.907 -2.043 -0.301
y -2.043 4.388 -1.263
z -0.301 -1.263 0.519
Polar
3z2-r21.037
x2-y2-6.197
xy-2.043
xz-0.301
yz-1.263


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.014 0.079 0.503
y 0.079 9.791 -0.314
z 0.503 -0.314 7.959


<r2> (average value of r2) Å2
<r2> 198.555
(<r2>)1/2 14.091