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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-594.409269
Energy at 298.15K-594.401599
Nuclear repulsion energy 
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*
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 3130 3005 28.27      
2 A 3129 3005 22.68      
3 A 3109 2986 28.75      
4 A 3099 2976 43.17      
5 A 3087 2964 28.41      
6 A 3074 2952 27.30      
7 A 3054 2933 12.40      
8 A 3052 2931 24.50      
9 A 3045 2924 45.88      
10 A 3039 2919 9.28      
11 A 1534 1473 1.32      
12 A 1528 1468 5.19      
13 A 1519 1459 4.92      
14 A 1516 1456 3.15      
15 A 1512 1452 1.89      
16 A 1440 1383 2.25      
17 A 1397 1341 1.88      
18 A 1375 1321 0.79      
19 A 1340 1287 0.45      
20 A 1318 1266 7.80      
21 A 1301 1249 27.20      
22 A 1250 1201 4.68      
23 A 1212 1164 6.80      
24 A 1166 1120 0.43      
25 A 1116 1072 0.08      
26 A 1085 1042 2.45      
27 A 1046 1005 4.34      
28 A 1037 996 0.32      
29 A 986 947 2.51      
30 A 958 920 1.81      
31 A 904 868 0.64      
32 A 875 840 2.23      
33 A 851 817 1.50      
34 A 682 655 2.44      
35 A 624 600 3.70      
36 A 529 508 0.72      
37 A 460 441 0.10      
38 A 412 396 0.77      
39 A 284 273 1.08      
40 A 256 246 0.16      
41 A 241 231 0.20      
42 A 95 91 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 31333.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 30089.2 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 B3LYP/6-31G*
ABC
0.13851 0.09180 0.06051

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.283 0.128 0.213
H2 -2.227 0.015 1.301
H3 -2.861 1.033 -0.014
H4 -2.836 -0.728 -0.188
S5 0.123 -1.305 -0.069
C6 1.680 -0.366 0.284
H7 2.514 -0.835 -0.245
H8 1.887 -0.407 1.358
C9 -0.887 0.230 -0.398
H10 -0.977 0.327 -1.487
C11 1.425 1.076 -0.178
H12 1.589 1.151 -1.260
H13 2.116 1.774 0.310
C14 -0.039 1.389 0.144
H15 -0.364 2.343 -0.292
H16 -0.175 1.459 1.232

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.09531.09781.09522.81453.99524.91484.35781.52722.15293.84744.26734.69802.57502.97342.6938
H21.09531.78001.77233.02274.05515.05844.13562.17393.07074.08004.73354.78882.83023.37952.5101
H31.09781.78001.77013.79154.76195.69595.14842.16572.49394.28984.62305.04252.84892.83322.9919
H41.09521.77231.77013.01714.55595.35204.98052.18172.50154.62734.92555.57053.52363.94333.7262
S52.81453.02273.79153.01711.85282.44362.44031.86642.42542.71553.09813.68682.70723.68643.0692
C63.99524.05514.76194.55591.85281.09331.09462.72293.26761.53512.16652.18342.46113.44202.7697
H74.91485.05845.69595.35202.44361.09331.77383.56773.88342.20042.41472.69663.40874.28783.8309
H84.35784.13565.14844.98052.44031.09461.77383.34484.10292.18473.06162.43062.90033.91802.7839
C91.52722.17392.16572.18171.86642.72293.56773.34481.09662.47202.77903.45031.53532.17922.1625
H102.15293.07072.49392.50152.42543.26763.88344.10291.09662.83552.70383.85792.16002.42173.0521
C113.84744.08004.28984.62732.71551.53512.20042.18472.47202.83551.09711.09671.53182.19532.1668
H124.26734.73354.62304.92553.09812.16652.41473.06162.77902.70381.09711.76962.16342.48473.0688
H134.69804.78885.04255.57053.68682.18342.69662.43063.45033.85791.09671.76962.19552.61462.4893
C142.57502.83022.84893.52362.70722.46113.40872.90031.53532.16001.53182.16342.19551.09741.0985
H152.97343.37952.83323.94333.68643.44204.28783.91802.17922.42172.19532.48472.61461.09741.7712
H162.69382.51012.99193.72623.06922.76973.83092.78392.16253.05212.16683.06882.48931.09851.7712

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 111.678 C1 C9 H10 109.178
C1 C9 C14 114.451 H2 C1 H3 108.515
H2 C1 H4 108.014 H2 C1 C9 110.905
H3 C1 H4 107.641 H3 C1 C9 110.113
H4 C1 C9 111.535 S5 C6 H7 109.362
S5 C6 H8 109.048 S5 C6 C11 106.172
S5 C9 H10 107.000 S5 C9 C14 105.047
C6 S5 C9 94.126 C6 C11 H12 109.662
C6 C11 H13 111.025 C6 C11 C14 106.734
H7 C6 H8 108.341 H7 C6 C11 112.597
H8 C6 C11 111.253 C9 C14 C11 107.406
C9 C14 H15 110.630 C9 C14 H16 109.256
H10 C9 C14 109.171 C11 C14 H15 112.167
C11 C14 H16 109.836 H12 C11 H13 107.534
H12 C11 C14 109.651 H13 C11 C14 112.231
H15 C14 H16 107.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.441 -0.259   -0.437
2 H 0.159 0.047   0.103
3 H 0.145 0.044   0.094
4 H 0.157 0.109   0.154
5 S 0.052 -0.363   -0.332
6 C -0.407 0.123   -0.020
7 H 0.172 0.045   0.094
8 H 0.171 0.030   0.087
9 C -0.225 0.252   0.255
10 H 0.162 -0.007   0.027
11 C -0.267 -0.226   -0.291
12 H 0.149 0.066   0.104
13 H 0.146 0.063   0.102
14 C -0.260 0.048   -0.051
15 H 0.144 0.005   0.042
16 H 0.145 0.021   0.068


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.370 2.106 0.005 2.138
CHELPG 0.366 2.042 -0.033 2.075
AIM        
ESP 0.371 2.111 -0.012 2.143


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 205.778
(<r2>)1/2 14.345