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

using model chemistry: B3LYP/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 B3LYP/CEP-31G
 hartrees
Energy at 0K-44.345606
Energy at 298.15K-44.357233
Nuclear repulsion energy132.391797
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/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 3155 3055 54.32      
2 A 3135 3036 73.39      
3 A 3110 3012 83.50      
4 A 3107 3009 44.36      
5 A 3093 2995 25.78      
6 A 3078 2981 47.86      
7 A 3069 2972 5.01      
8 A 3045 2948 49.13      
9 A 3033 2937 70.58      
10 A 3027 2932 25.36      
11 A 1510 1462 9.23      
12 A 1507 1459 1.51      
13 A 1499 1452 10.41      
14 A 1494 1447 6.26      
15 A 1492 1445 3.20      
16 A 1427 1382 7.52      
17 A 1374 1331 2.50      
18 A 1358 1316 2.01      
19 A 1326 1284 1.91      
20 A 1299 1258 9.95      
21 A 1278 1237 28.37      
22 A 1228 1190 7.68      
23 A 1199 1161 8.91      
24 A 1154 1117 0.29      
25 A 1111 1076 0.07      
26 A 1070 1036 2.77      
27 A 1050 1017 9.06      
28 A 1029 997 4.96      
29 A 978 947 6.05      
30 A 954 924 6.07      
31 A 891 863 2.49      
32 A 866 839 5.00      
33 A 842 815 4.59      
34 A 644 623 3.72      
35 A 589 570 6.04      
36 A 515 499 1.22      
37 A 445 431 0.18      
38 A 400 387 0.98      
39 A 276 267 1.64      
40 A 244 236 0.32      
41 A 223 216 0.09      
42 A 92 89 1.79      

Unscaled Zero Point Vibrational Energy (zpe) 31106.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 30123.7 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/CEP-31G
ABC
0.13140 0.08857 0.05797

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.293 0.047 0.202
H2 2.224 0.210 1.290
H3 2.852 -0.891 0.020
H4 2.875 0.877 -0.234
S5 -0.119 1.587 -0.130
C6 -1.741 0.631 0.265
H7 -2.565 1.109 -0.285
H8 -1.926 0.708 1.347
C9 0.883 -0.047 -0.428
H10 0.959 -0.160 -1.523
C11 -1.491 -0.840 -0.176
H12 -1.657 -0.937 -1.264
H13 -2.191 -1.524 0.335
C14 -0.011 -1.177 0.161
H15 0.287 -2.156 -0.257
H16 0.127 -1.220 1.257

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.10321.10701.10322.88134.07674.99674.42221.54792.18993.90544.32624.75372.60943.01482.7226
H21.10321.79481.78703.06674.11675.12084.18042.19553.10654.12974.78504.83862.86243.42702.5384
H31.10701.79481.78653.87204.84485.78265.21092.18932.54914.34814.68815.09272.88082.87353.0106
H41.10321.78701.78653.07914.64915.44515.05802.20472.53084.69194.98835.63523.56413.98713.7647
S52.88133.06673.87203.07911.92302.49672.49441.93952.48062.78793.16463.76652.78093.76673.1410
C64.07674.11674.84484.64911.92301.09971.10112.79693.33341.55582.19122.20312.50433.48582.8112
H74.99675.12085.78265.44512.49671.09971.79803.63903.94502.22752.44282.73063.45614.33493.8796
H84.42224.18045.21095.05802.49441.10111.79803.40804.16152.21473.09742.46482.93713.95872.8184
C91.54792.19552.18932.20471.93952.79693.63903.40801.10272.51552.81723.49491.55652.19822.1884
H102.18993.10652.54912.53082.48063.33343.94504.16151.10272.87772.74103.90382.19342.45733.0895
C113.90544.12974.34814.69192.78791.55582.22752.21472.51552.87771.10431.10441.55502.21352.1951
H124.32624.78504.68814.98833.16462.19122.44283.09742.81722.74101.10431.78542.18982.50533.1010
H134.75374.83865.09275.63523.76652.20312.73062.46483.49493.90381.10441.78542.21452.62492.5134
C142.60942.86242.88083.56412.78092.50433.45612.93711.55652.19341.55502.18982.21451.10551.1055
H153.01483.42702.87353.98713.76673.48584.33493.95872.19822.45732.21352.50532.62491.10551.7867
H162.72262.53843.01063.76473.14102.81123.87962.81842.18843.08952.19513.10102.51341.10551.7867

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 110.923 C1 C9 H10 110.291
C1 C9 C14 114.399 H2 C1 H3 108.594
H2 C1 H4 108.175 H2 C1 C9 110.695
H3 C1 H4 107.860 H3 C1 C9 109.992
H4 C1 C9 111.429 S5 C6 H7 108.274
S5 C6 H8 108.043 S5 C6 C11 106.043
S5 C9 H10 105.951 S5 C9 C14 104.863
C6 S5 C9 92.790 C6 C11 H12 109.754
C6 C11 H13 110.670 C6 C11 C14 107.221
H7 C6 H8 109.561 H7 C6 C11 112.901
H8 C6 C11 111.792 C9 C14 C11 107.886
C9 C14 H15 110.179 C9 C14 H16 109.420
H10 C9 C14 109.967 C11 C14 H15 111.489
C11 C14 H16 110.036 H12 C11 H13 107.865
H12 C11 C14 109.696 H13 C11 C14 111.633
H15 C14 H16 107.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 H 0.154      
3 H 0.133      
4 H 0.168      
5 S 0.061      
6 C -0.547      
7 H 0.201      
8 H 0.177      
9 C -0.386      
10 H 0.188      
11 C -0.149      
12 H 0.128      
13 H 0.177      
14 C -0.236      
15 H 0.158      
16 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.402 -2.569 0.103 2.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.122 -0.496 -1.118
y -0.496 -49.266 0.643
z -1.118 0.643 -44.956
Traceless
 xyz
x 5.988 -0.496 -1.118
y -0.496 -6.227 0.643
z -1.118 0.643 0.239
Polar
3z2-r20.477
x2-y28.144
xy-0.496
xz-1.118
yz0.643


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.943 -0.125 -0.464
y -0.125 10.804 0.038
z -0.464 0.038 7.446


<r2> (average value of r2) Å2
<r2> 162.210
(<r2>)1/2 12.736