return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-585.851316
Energy at 298.15K-585.862891
Nuclear repulsion energy313.048617
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 LSDA/STO-3G
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 3470 3107 0.05      
2 A 3466 3104 0.11      
3 A 3441 3082 0.33      
4 A 3407 3051 1.37      
5 A 3401 3046 1.16      
6 A 3360 3009 0.79      
7 A 3328 2980 0.61      
8 A 3298 2953 2.89      
9 A 3295 2951 1.19      
10 A 3292 2948 5.58      
11 A 1654 1481 4.60      
12 A 1644 1472 0.36      
13 A 1637 1466 5.28      
14 A 1628 1458 1.80      
15 A 1618 1449 3.31      
16 A 1525 1366 8.95      
17 A 1466 1313 6.37      
18 A 1435 1285 0.83      
19 A 1417 1269 0.45      
20 A 1386 1241 0.79      
21 A 1349 1208 10.02      
22 A 1312 1175 1.98      
23 A 1275 1142 3.83      
24 A 1208 1082 0.94      
25 A 1159 1038 1.68      
26 A 1146 1026 1.69      
27 A 1118 1001 1.41      
28 A 1079 966 3.14      
29 A 1031 924 1.03      
30 A 1014 908 1.23      
31 A 967 866 2.38      
32 A 911 816 1.54      
33 A 880 788 2.98      
34 A 828 741 0.68      
35 A 809 724 0.79      
36 A 665 595 3.89      
37 A 537 481 0.89      
38 A 378 338 0.48      
39 A 355 318 0.07      
40 A 239 214 0.04      
41 A 179 160 0.09      
42 A 90 81 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 33846.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 30309.8 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 LSDA/STO-3G
ABC
0.13911 0.08798 0.07217

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.439 -0.459 -0.267
C2 1.816 -0.371 -0.857
H3 1.059 -0.329 -1.655
H4 2.579 0.398 -1.048
H5 2.298 -1.360 -0.887
C6 -0.046 -1.115 0.704
H7 0.208 -2.132 0.358
H8 -0.299 -1.179 1.779
C9 1.139 -0.143 0.506
H10 1.882 -0.273 1.315
C11 -0.759 1.236 -0.308
H12 -1.507 1.968 0.044
H13 -0.491 1.513 -1.344
C14 0.498 1.263 0.588
H15 0.208 1.465 1.633
H16 1.202 2.048 0.266

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.30982.86174.18213.89441.82122.42992.45052.71043.68371.82702.44712.43872.72903.16603.6807
C23.30981.10081.10021.10022.54132.67573.47541.53882.17553.08464.16273.01872.54883.48742.7372
H32.86171.10081.79051.78512.72182.83303.79022.17073.08292.75163.84062.42812.80763.84193.0601
H44.18211.10021.79051.78783.50023.74124.33202.18632.55383.51944.51113.27932.78463.73502.5186
H53.89441.10021.78511.78782.84382.55213.72712.18312.49144.05205.14024.03033.50664.32503.7611
C61.82122.54132.72183.50022.84381.10351.10631.54592.19092.65763.47563.36212.44232.75443.4291
H72.42992.67572.83303.74122.55211.10351.78532.20122.67873.56674.45524.08293.41473.81654.2975
H82.45053.47543.79024.33203.72711.10631.78532.18292.40743.22483.79124.12772.83122.69623.8676
C92.71041.53882.17072.18632.18311.54592.20122.18291.10622.48293.41652.97021.54702.17362.2048
H103.68372.17553.08292.55382.49142.19092.67872.40741.10623.44724.25733.98652.19122.43412.6359
C111.82703.08462.75163.51944.05202.65763.56673.22482.48293.44721.10421.10531.54342.18022.1986
H122.44714.16273.84064.51115.14023.47564.45523.79123.41654.25731.10421.77872.19432.39172.7201
H132.43873.01872.42813.27934.03033.36214.08294.12772.97023.98651.10531.77872.18503.05842.3973
C142.72902.54882.80762.78463.50662.44233.41472.83121.54702.19121.54342.19432.18501.10341.1031
H153.16603.48743.84193.73504.32502.75443.81652.69622.17362.43412.18022.39173.05841.10341.7884
H163.68072.73723.06012.51863.76113.42914.29753.86762.20482.63592.19862.72012.39731.10311.7884

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 109.925 S1 C6 H8 111.305
S1 C6 C9 106.928 S1 C11 H12 110.776
S1 C11 H13 110.097 S1 C11 C14 107.836
C2 C9 C6 110.940 C2 C9 H10 109.585
C2 C9 C14 111.373 H3 C2 H4 108.874
H3 C2 H5 108.396 H3 C2 C9 109.527
H4 C2 H5 108.678 H4 C2 C9 110.784
H5 C2 C9 110.528 C6 S1 C11 93.518
C6 C9 H10 110.299 C6 C9 C14 104.305
H7 C6 H8 107.782 H7 C6 C9 111.264
H8 C6 C9 109.667 C9 C14 C11 106.916
C9 C14 H15 109.042 C9 C14 H16 111.506
H10 C9 C14 110.246 C11 C14 H15 109.795
C11 C14 H16 111.264 H12 C11 H13 107.228
H12 C11 C14 110.855 H13 C11 C14 110.062
H15 C14 H16 108.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.111      
2 C -0.277      
3 H 0.095      
4 H 0.091      
5 H 0.092      
6 C -0.253      
7 H 0.095      
8 H 0.089      
9 C -0.075      
10 H 0.092      
11 C -0.255      
12 H 0.094      
13 H 0.091      
14 C -0.176      
15 H 0.092      
16 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.029 0.470 0.428 1.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.987 -1.018 -0.157
y -1.018 -40.012 -0.642
z -0.157 -0.642 -41.069
Traceless
 xyz
x -2.446 -1.018 -0.157
y -1.018 2.015 -0.642
z -0.157 -0.642 0.431
Polar
3z2-r20.862
x2-y2-2.975
xy-1.018
xz-0.157
yz-0.642


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.908 -0.110 0.336
y -0.110 5.357 -0.351
z 0.336 -0.351 4.180


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000