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

using model chemistry: HF/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 HF/CEP-31G
 hartrees
Energy at 0K-43.082776
Energy at 298.15K-43.094973
Nuclear repulsion energy135.916676
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 HF/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 3350 3020 52.26      
2 A 3343 3013 30.28      
3 A 3293 2969 104.24      
4 A 3285 2961 114.88      
5 A 3280 2956 32.84      
6 A 3272 2949 31.10      
7 A 3270 2948 71.92      
8 A 3233 2914 71.75      
9 A 3215 2898 24.92      
10 A 3203 2887 50.93      
11 A 1647 1485 0.86      
12 A 1646 1483 6.29      
13 A 1633 1472 8.01      
14 A 1627 1467 8.18      
15 A 1626 1466 1.61      
16 A 1564 1410 7.65      
17 A 1506 1358 3.51      
18 A 1489 1342 5.94      
19 A 1458 1314 8.13      
20 A 1426 1285 13.36      
21 A 1397 1259 25.39      
22 A 1350 1217 2.02      
23 A 1301 1172 3.46      
24 A 1252 1128 0.04      
25 A 1182 1066 2.16      
26 A 1164 1049 0.46      
27 A 1140 1028 1.33      
28 A 1084 977 2.17      
29 A 1052 948 0.45      
30 A 1012 912 2.29      
31 A 987 890 4.70      
32 A 930 838 1.78      
33 A 847 764 3.40      
34 A 762 687 9.11      
35 A 711 641 8.71      
36 A 641 577 1.50      
37 A 524 472 0.20      
38 A 400 360 0.14      
39 A 378 341 0.37      
40 A 236 213 0.11      
41 A 200 180 0.37      
42 A 123 111 3.39      

Unscaled Zero Point Vibrational Energy (zpe) 33517.6 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 30212.7 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 HF/CEP-31G
ABC
0.13892 0.08343 0.06780

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.524 0.965 -0.514
C2 -1.767 -0.164 -0.709
H3 -1.191 -0.142 -1.633
H4 -2.296 -1.117 -0.659
H5 -2.514 0.629 -0.767
C6 -0.052 1.345 0.463
H7 -0.587 2.139 -0.046
H8 0.240 1.686 1.451
C9 -0.865 0.027 0.533
H10 -1.501 0.057 1.418
C11 1.292 -0.905 -0.362
H12 2.234 -1.344 -0.054
H13 1.018 -1.297 -1.335
C14 0.175 -1.112 0.689
H15 0.609 -1.072 1.687
H16 -0.289 -2.091 0.569

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.48533.13904.35304.06021.89342.46062.45522.77203.70251.89122.45922.45972.75393.13643.7152
C23.48531.08941.09091.09062.56712.67083.48041.54682.15493.16664.22243.07112.57403.49482.7443
H33.13901.08941.76591.75952.81122.84383.86002.19703.07342.89203.95822.51032.86343.89003.0760
H44.35301.09091.76591.76283.51463.72744.32852.18562.51503.60584.57513.38602.81443.73432.5461
H54.06021.09061.75951.76282.84332.55173.69032.18432.47524.12335.19054.06273.51874.32083.7590
C61.89342.56712.81123.51462.84331.08401.08491.54972.16062.74773.56713.37022.47822.78923.4453
H72.46062.67082.84383.72742.55171.08401.76892.20702.70383.59114.48184.00533.41913.84004.2841
H82.45523.48043.86004.32853.69031.08491.76892.19422.38423.33213.92654.15462.90072.79263.9137
C92.77201.54682.19702.18562.18431.54972.20702.19421.09042.51383.43862.96381.55042.17102.1946
H103.70252.15493.07342.51502.47522.16062.70382.38421.09043.44824.25143.96892.16962.40782.6074
C111.89123.16662.89203.60584.12332.74773.59113.33212.51383.44821.08371.08431.54692.16642.1845
H122.45924.22243.95824.57515.19053.56714.48183.92653.43864.25141.08371.76672.20082.39742.7042
H132.45973.07112.51033.38604.06273.37024.00534.15462.96383.96891.08431.76672.19953.05802.4421
C142.75392.57402.86342.81443.51872.47823.41912.90071.55042.16961.54692.20082.19951.08971.0894
H153.13643.49483.89003.73434.32082.78923.84002.79262.17102.40782.16642.39743.05801.08971.7588
H163.71522.74433.07602.54613.75903.44534.28413.91372.19462.60742.18452.70422.44211.08941.7588

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 108.390 S1 C6 H8 107.949
S1 C6 C9 106.812 S1 C11 H12 108.445
S1 C11 H13 108.445 S1 C11 C14 106.019
C2 C9 C6 111.998 C2 C9 H10 108.349
C2 C9 C14 112.418 H3 C2 H4 108.176
H3 C2 H5 107.629 H3 C2 C9 111.724
H4 C2 H5 107.810 H4 C2 C9 110.724
H5 C2 C9 110.629 C6 S1 C11 93.112
C6 C9 H10 108.598 C6 C9 C14 106.141
H7 C6 H8 109.291 H7 C6 C9 112.656
H8 C6 C9 111.561 C9 C14 C11 108.508
C9 C14 H15 109.394 C9 C14 H16 111.282
H10 C9 C14 109.247 C11 C14 H15 109.275
C11 C14 H16 110.720 H12 C11 H13 109.151
H12 C11 C14 112.370 H13 C11 C14 112.235
H15 C14 H16 107.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.097      
2 C -0.370      
3 H 0.124      
4 H 0.111      
5 H 0.117      
6 C -0.517      
7 H 0.170      
8 H 0.158      
9 C 0.052      
10 H 0.127      
11 C -0.469      
12 H 0.168      
13 H 0.145      
14 C -0.153      
15 H 0.114      
16 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.032 -1.603 1.216 2.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.173 -4.593 0.953
y -4.593 -45.105 1.981
z 0.953 1.981 -46.289
Traceless
 xyz
x -3.476 -4.593 0.953
y -4.593 2.626 1.981
z 0.953 1.981 0.850
Polar
3z2-r21.699
x2-y2-4.068
xy-4.593
xz0.953
yz1.981


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.992 -0.020 -1.124
y -0.020 10.283 -0.005
z -1.124 -0.005 7.969


<r2> (average value of r2) Å2
<r2> 147.668
(<r2>)1/2 12.152