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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-594.737774
Energy at 298.15K-594.749592
Nuclear repulsion energy311.793684
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 mPW1PW91/6-31G(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 3152 3009 21.91      
2 A 3149 3006 12.48      
3 A 3135 2993 20.80      
4 A 3123 2982 27.91      
5 A 3111 2970 23.88      
6 A 3086 2946 25.17      
7 A 3068 2929 16.01      
8 A 3068 2929 18.92      
9 A 3057 2919 40.67      
10 A 3054 2916 6.54      
11 A 1504 1436 1.07      
12 A 1498 1430 5.29      
13 A 1490 1422 5.70      
14 A 1485 1418 3.82      
15 A 1481 1414 2.42      
16 A 1410 1346 3.31      
17 A 1383 1320 1.70      
18 A 1360 1298 0.53      
19 A 1323 1263 0.05      
20 A 1302 1243 4.77      
21 A 1287 1229 22.11      
22 A 1240 1184 4.22      
23 A 1204 1149 7.86      
24 A 1166 1113 0.50      
25 A 1116 1065 0.25      
26 A 1077 1028 2.08      
27 A 1049 1001 1.07      
28 A 1043 995 3.33      
29 A 974 930 2.64      
30 A 962 918 1.42      
31 A 915 873 0.80      
32 A 866 826 1.34      
33 A 857 818 2.31      
34 A 709 677 1.72      
35 A 652 622 2.57      
36 A 528 504 0.77      
37 A 463 442 0.08      
38 A 410 392 0.58      
39 A 283 270 0.98      
40 A 253 241 0.17      
41 A 238 227 0.15      
42 A 94 90 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 31310.9 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 29892.5 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 mPW1PW91/6-31G(2df,p)
ABC
0.14162 0.09321 0.06169

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.267 0.127 0.208
H2 -2.210 0.011 1.293
H3 -2.843 1.030 -0.017
H4 -2.816 -0.727 -0.195
S5 0.117 -1.284 -0.068
C6 1.662 -0.374 0.282
H7 2.490 -0.851 -0.244
H8 1.867 -0.416 1.354
C9 -0.876 0.229 -0.396
H10 -0.961 0.330 -1.483
C11 1.419 1.060 -0.180
H12 1.574 1.130 -1.262
H13 2.117 1.754 0.299
C14 -0.033 1.378 0.150
H15 -0.357 2.333 -0.274
H16 -0.164 1.436 1.237

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.09291.09491.09242.78363.96144.87704.32401.51922.14543.82174.23294.67622.56042.95722.6815
H21.09291.77651.76792.99074.02075.01964.09992.16323.06044.05494.70114.76922.81323.35872.4936
H31.09491.77651.76623.75784.72875.65985.11452.15762.48604.26554.59055.02222.83642.81852.9854
H41.09241.76791.76622.98844.51795.30804.94282.17212.49334.59714.88515.54353.50633.92673.7093
S52.78362.99073.75782.98841.82762.41882.41681.83922.40192.68443.06233.65552.67503.65453.0297
C63.96144.02074.72874.51791.82761.09081.09252.69573.23941.52642.15692.17542.44123.42302.7426
H74.87705.01965.65985.30802.41881.09081.77013.53833.85222.19202.40792.68673.38944.27193.8036
H84.32404.09995.11454.94282.41681.09251.77013.31744.07502.17603.05272.42552.87723.89322.7511
C91.51922.16322.15762.17211.83922.69573.53833.31741.09482.45082.75073.43001.52602.17122.1516
H102.14543.06042.48602.49332.40193.23943.85224.07501.09482.81022.66813.83092.15072.41713.0421
C113.82174.05494.26554.59712.68441.52642.19202.17602.45082.81021.09481.09381.52262.18742.1576
H124.23294.70114.59054.88513.06232.15692.40793.05272.75072.66811.09481.76582.15342.48113.0591
H134.67624.76925.02225.54353.65552.17542.68672.42553.43003.83091.09381.76582.18742.60472.4867
C142.56042.81322.83643.50632.67502.44123.38942.87721.52602.15071.52262.15342.18741.09451.0963
H152.95723.35872.81853.92673.65453.42304.27193.89322.17122.41712.18742.48112.60471.09451.7676
H162.68152.49362.98543.70933.02972.74263.80362.75112.15163.04212.15763.05912.48671.09631.7676

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 111.603 C1 C9 H10 109.238
C1 C9 C14 114.447 H2 C1 H3 108.587
H2 C1 H4 107.993 H2 C1 C9 110.759
H3 C1 H4 107.701 H3 C1 C9 110.191
H4 C1 C9 111.499 S5 C6 H7 109.340
S5 C6 H8 109.105 S5 C6 C11 105.980
S5 C9 H10 107.152 S5 C9 C14 104.907
C6 S5 C9 94.641 C6 C11 H12 109.646
C6 C11 H13 111.173 C6 C11 C14 106.386
H7 C6 H8 108.341 H7 C6 C11 112.701
H8 C6 C11 111.302 C9 C14 C11 107.012
C9 C14 H15 110.819 C9 C14 H16 109.167
H10 C9 C14 109.186 C11 C14 H15 112.371
C11 C14 H16 109.882 H12 C11 H13 107.570
H12 C11 C14 109.641 H13 C11 C14 112.417
H15 C14 H16 107.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.467      
2 H 0.155      
3 H 0.141      
4 H 0.155      
5 S -0.151      
6 C -0.268      
7 H 0.156      
8 H 0.154      
9 C -0.039      
10 H 0.137      
11 C -0.266      
12 H 0.142      
13 H 0.135      
14 C -0.255      
15 H 0.133      
16 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.369 2.090 0.010 2.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.744 -0.345 0.982
y -0.345 -47.564 -0.357
z 0.982 -0.357 -45.223
Traceless
 xyz
x 4.649 -0.345 0.982
y -0.345 -4.081 -0.357
z 0.982 -0.357 -0.568
Polar
3z2-r2-1.137
x2-y25.820
xy-0.345
xz0.982
yz-0.357


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.666 -0.105 0.214
y -0.105 10.573 -0.025
z 0.214 -0.025 8.521


<r2> (average value of r2) Å2
<r2> 202.346
(<r2>)1/2 14.225