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: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-594.770654
Energy at 298.15K-594.782441
HF Energy-594.770654
Nuclear repulsion energy312.071677
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 TPSSh/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 3135 3008 20.37      
2 A 3126 2999 19.37      
3 A 3123 2997 37.17      
4 A 3117 2990 32.59      
5 A 3097 2971 36.46      
6 A 3080 2955 10.23      
7 A 3075 2950 55.44      
8 A 3054 2930 39.44      
9 A 3048 2924 32.50      
10 A 3039 2915 10.86      
11 A 1551 1488 5.07      
12 A 1544 1482 1.28      
13 A 1533 1471 4.43      
14 A 1525 1463 2.12      
15 A 1515 1454 2.66      
16 A 1443 1384 6.60      
17 A 1388 1331 7.55      
18 A 1357 1302 0.96      
19 A 1332 1278 5.67      
20 A 1313 1260 7.92      
21 A 1270 1219 13.23      
22 A 1245 1194 5.03      
23 A 1193 1145 1.67      
24 A 1148 1102 0.17      
25 A 1086 1042 0.97      
26 A 1076 1033 0.95      
27 A 1045 1003 0.41      
28 A 1000 959 1.19      
29 A 968 929 0.17      
30 A 936 898 0.65      
31 A 908 871 2.47      
32 A 860 826 0.98      
33 A 803 770 1.23      
34 A 716 687 5.46      
35 A 685 657 3.07      
36 A 603 579 0.94      
37 A 488 468 0.11      
38 A 367 352 0.11      
39 A 341 327 0.12      
40 A 232 223 0.09      
41 A 190 183 0.27      
42 A 111 106 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 31332.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 30060.7 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 TPSSh/6-31G*
ABC
0.14077 0.08623 0.07062

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.470 -0.444 -0.263
C2 1.888 -0.310 -0.822
H3 1.213 -0.224 -1.682
H4 2.666 0.456 -0.918
H5 2.373 -1.292 -0.877
C6 -0.027 -1.168 0.630
H7 0.220 -2.134 0.180
H8 -0.295 -1.331 1.679
C9 1.126 -0.154 0.502
H10 1.827 -0.308 1.334
C11 -0.746 1.250 -0.317
H12 -1.502 1.975 -0.006
H13 -0.443 1.484 -1.343
C14 0.458 1.227 0.636
H15 0.111 1.367 1.667
H16 1.156 2.042 0.404

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.40693.04374.28323.98311.84472.43042.43722.72263.66581.84302.43362.43682.70633.08343.6772
C23.40691.09631.09651.09622.55152.66643.47281.53552.15673.10244.16902.98742.55653.48872.7518
H33.04371.09631.77651.77012.78842.84633.84662.18693.07862.80573.87522.40322.83743.86853.0801
H44.28321.09651.77651.77323.50493.72764.32452.18112.52123.55374.52843.30192.80753.74712.5574
H53.98311.09621.77011.77322.83672.54183.69472.17992.48114.06195.14273.98153.50774.32033.7731
C61.84472.55152.78843.50492.83671.09411.09491.54122.16152.69363.52943.33082.44382.74253.4279
H72.43042.66642.84633.72762.54181.09411.77662.20152.69223.55334.45913.98053.40043.80554.2849
H82.43723.47283.84664.32453.69471.09491.77662.18892.38063.29353.90244.13232.86372.72893.8866
C92.72261.53552.18692.18112.17991.54122.20152.18891.09812.47883.42012.92361.53992.16862.1976
H103.66582.15673.07862.52122.48112.16152.69222.38061.09813.43044.25273.94022.17142.42122.6141
C111.84303.10242.80573.55374.06192.69363.55333.29352.47883.43041.09321.09461.53622.16442.1826
H122.43364.16903.87524.52845.14273.52944.45913.90243.42014.25271.09321.77442.19412.40172.6898
H132.43682.98742.40323.30193.98153.33083.98054.13232.92363.94021.09461.77442.18983.06262.4329
C142.70632.55652.83742.80753.50772.44383.40042.86371.53992.17141.53622.19412.18981.09691.0970
H153.08343.48873.86853.74714.32032.74253.80552.72892.16862.42122.16442.40173.06261.09691.7728
H163.67722.75183.08012.55743.77313.42794.28493.88662.19762.61412.18262.68982.43291.09701.7728

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 108.893 S1 C6 H8 109.346
S1 C6 C9 106.701 S1 C11 H12 109.279
S1 C11 H13 109.443 S1 C11 C14 106.066
C2 C9 C6 112.052 C2 C9 H10 108.815
C2 C9 C14 112.460 H3 C2 H4 108.218
H3 C2 H5 107.677 H3 C2 C9 111.299
H4 C2 H5 107.935 H4 C2 C9 110.824
H5 C2 C9 110.752 C6 S1 C11 93.845
C6 C9 H10 108.795 C6 C9 C14 104.961
H7 C6 H8 108.506 H7 C6 C9 112.197
H8 C6 C9 111.139 C9 C14 C11 107.381
C9 C14 H15 109.512 C9 C14 H16 111.804
H10 C9 C14 109.655 C11 C14 H15 109.439
C11 C14 H16 110.870 H12 C11 H13 108.397
H12 C11 C14 112.018 H13 C11 C14 111.586
H15 C14 H16 107.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.059      
2 C -0.481      
3 H 0.177      
4 H 0.157      
5 H 0.161      
6 C -0.445      
7 H 0.190      
8 H 0.189      
9 C -0.131      
10 H 0.160      
11 C -0.452      
12 H 0.193      
13 H 0.190      
14 C -0.300      
15 H 0.169      
16 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.986 0.849 0.737 2.282
CHELPG        
AIM        
ESP        


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 10.574 0.066 0.341
y 0.066 10.178 -0.208
z 0.341 -0.208 8.665


<r2> (average value of r2) Å2
<r2> 194.988
(<r2>)1/2 13.964