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

using model chemistry: B3LYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-594.773355
Energy at 298.15K-594.785110
Nuclear repulsion energy309.794939
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/6-31G(2df,p)
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 3116 3007 24.00      
2 A 3115 3006 18.61      
3 A 3097 2989 24.69      
4 A 3086 2978 36.62      
5 A 3074 2967 26.54      
6 A 3059 2952 24.60      
7 A 3039 2933 10.82      
8 A 3038 2932 23.55      
9 A 3030 2924 42.88      
10 A 3025 2919 7.98      
11 A 1502 1449 1.00      
12 A 1497 1445 4.22      
13 A 1489 1437 4.61      
14 A 1485 1433 2.93      
15 A 1482 1430 1.04      
16 A 1411 1362 1.58      
17 A 1376 1328 2.06      
18 A 1357 1309 0.85      
19 A 1324 1278 0.24      
20 A 1297 1252 6.98      
21 A 1282 1237 23.49      
22 A 1234 1190 4.15      
23 A 1195 1153 8.17      
24 A 1152 1112 0.32      
25 A 1104 1065 0.20      
26 A 1069 1032 2.31      
27 A 1037 1000 3.41      
28 A 1028 992 0.63      
29 A 974 940 2.02      
30 A 950 917 1.35      
31 A 900 868 0.61      
32 A 863 832 1.55      
33 A 844 815 1.56      
34 A 682 658 2.28      
35 A 625 603 3.40      
36 A 526 508 0.73      
37 A 459 443 0.11      
38 A 409 394 0.60      
39 A 282 272 1.00      
40 A 250 241 0.16      
41 A 235 227 0.13      
42 A 94 91 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 31046.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 29960.3 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/6-31G(2df,p)
ABC
0.13939 0.09207 0.06078

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.281 0.127 0.211
H2 -2.226 0.017 1.299
H3 -2.860 1.029 -0.018
H4 -2.830 -0.730 -0.188
S5 0.122 -1.298 -0.069
C6 1.676 -0.369 0.284
H7 2.506 -0.843 -0.244
H8 1.881 -0.413 1.357
C9 -0.885 0.229 -0.397
H10 -0.972 0.324 -1.484
C11 1.425 1.072 -0.178
H12 1.588 1.146 -1.260
H13 2.116 1.768 0.307
C14 -0.038 1.387 0.145
H15 -0.361 2.340 -0.289
H16 -0.173 1.457 1.232

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.09421.09651.09392.80733.98884.90514.35001.52592.15083.84384.26234.69432.57362.97222.6931
H21.09421.77811.77013.01834.05055.05074.12952.17203.06774.07704.72904.78592.82803.37602.5088
H31.09651.77811.76813.78274.75665.68755.14262.16412.49164.28784.61905.04122.84952.83482.9943
H41.09391.77011.76813.00834.54575.33764.96802.17912.49884.62084.91805.56383.52043.94163.7231
S52.80733.01833.78273.00831.84542.43372.43141.85852.41522.70673.08883.67732.69853.67693.0608
C63.98884.05054.75664.54571.84541.09161.09322.71713.25961.53392.16462.18212.45803.43792.7661
H74.90515.05075.68755.33762.43371.09161.77193.55973.87302.19982.41442.69703.40504.28413.8265
H84.35004.12955.14264.96802.43141.09321.77193.33744.09382.18423.06012.43222.89673.91352.7803
C91.52592.17202.16412.17911.85852.71713.55973.33741.09522.46822.77473.44551.53352.17762.1600
H102.15083.06772.49162.49882.41523.25963.87304.09381.09522.83022.69813.85162.15812.42213.0493
C113.84384.07704.28784.62082.70671.53392.19982.18422.46822.83021.09601.09521.53052.19312.1653
H124.26234.72904.61904.91803.08882.16462.41443.06012.77472.69811.09601.76712.16172.48323.0664
H134.69434.78595.04125.56383.67732.18212.69702.43223.44553.85161.09521.76712.19342.61132.4881
C142.57362.82802.84953.52042.69852.45803.40502.89671.53352.15811.53052.16172.19341.09591.0974
H152.97223.37602.83483.94163.67693.43794.28413.91352.17762.42212.19312.48322.61131.09591.7685
H162.69312.50882.99433.72313.06082.76613.82652.78032.16003.04932.16533.06642.48811.09741.7685

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 111.716 C1 C9 H10 109.181
C1 C9 C14 114.539 H2 C1 H3 108.518
H2 C1 H4 107.997 H2 C1 C9 110.914
H3 C1 H4 107.649 H3 C1 C9 110.146
H4 C1 C9 111.499 S5 C6 H7 109.209
S5 C6 H8 108.956 S5 C6 C11 106.077
S5 C9 H10 106.842 S5 C9 C14 105.007
C6 S5 C9 94.373 C6 C11 H12 109.669
C6 C11 H13 111.095 C6 C11 C14 106.662
H7 C6 H8 108.389 H7 C6 C11 112.743
H8 C6 C11 111.382 C9 C14 C11 107.323
C9 C14 H15 110.724 C9 C14 H16 109.251
H10 C9 C14 109.225 C11 C14 H15 112.179
C11 C14 H16 109.871 H12 C11 H13 107.501
H12 C11 C14 109.666 H13 C11 C14 112.245
H15 C14 H16 107.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.400      
2 H 0.128      
3 H 0.113      
4 H 0.127      
5 S -0.190      
6 C -0.191      
7 H 0.125      
8 H 0.125      
9 C 0.044      
10 H 0.102      
11 C -0.206      
12 H 0.111      
13 H 0.102      
14 C -0.196      
15 H 0.100      
16 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.358 2.070 0.010 2.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.195 -0.315 0.981
y -0.315 -47.979 -0.350
z 0.981 -0.350 -45.655
Traceless
 xyz
x 4.622 -0.315 0.981
y -0.315 -4.054 -0.350
z 0.981 -0.350 -0.568
Polar
3z2-r2-1.136
x2-y25.784
xy-0.315
xz0.981
yz-0.350


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.808 -0.118 0.227
y -0.118 10.685 -0.023
z 0.227 -0.023 8.559


<r2> (average value of r2) Å2
<r2> 204.987
(<r2>)1/2 14.317