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

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-591.838681
Energy at 298.15K-591.850568
Nuclear repulsion energy310.995727
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/3-21G*
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 3139 3020 16.43      
2 A 3130 3011 10.91      
3 A 3125 3007 26.13      
4 A 3111 2993 35.55      
5 A 3107 2989 5.74      
6 A 3086 2969 8.26      
7 A 3081 2964 44.43      
8 A 3067 2950 20.84      
9 A 3056 2940 4.36      
10 A 3051 2935 19.22      
11 A 1575 1515 7.57      
12 A 1563 1504 2.48      
13 A 1551 1492 7.10      
14 A 1542 1483 2.82      
15 A 1534 1476 7.42      
16 A 1460 1405 12.95      
17 A 1406 1352 3.55      
18 A 1367 1315 7.86      
19 A 1342 1291 1.58      
20 A 1332 1281 6.95      
21 A 1279 1230 5.32      
22 A 1259 1211 7.03      
23 A 1203 1157 2.72      
24 A 1173 1129 0.70      
25 A 1113 1071 1.97      
26 A 1095 1053 1.88      
27 A 1054 1014 0.76      
28 A 990 952 1.46      
29 A 969 932 0.37      
30 A 928 892 2.01      
31 A 911 877 3.33      
32 A 859 826 0.83      
33 A 795 765 2.45      
34 A 714 687 5.64      
35 A 673 648 3.19      
36 A 603 581 1.12      
37 A 506 487 0.13      
38 A 382 367 0.20      
39 A 359 345 0.11      
40 A 239 230 0.10      
41 A 194 186 0.21      
42 A 113 109 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 31517.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 30319.6 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/3-21G*
ABC
0.13897 0.08592 0.07039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.474 -0.445 -0.263
C2 1.862 -0.335 -0.846
H3 1.146 -0.278 -1.672
H4 2.624 0.441 -0.982
H5 2.355 -1.313 -0.890
C6 -0.030 -1.162 0.658
H7 0.214 -2.139 0.232
H8 -0.300 -1.285 1.711
C9 1.139 -0.157 0.505
H10 1.854 -0.308 1.324
C11 -0.741 1.262 -0.315
H12 -1.491 1.986 0.011
H13 -0.444 1.492 -1.341
C14 0.485 1.241 0.630
H15 0.149 1.392 1.662
H16 1.190 2.039 0.370

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.38832.97984.25393.97621.85752.44262.44572.73953.68981.85802.44622.44472.73473.11753.6969
C23.38831.09491.09601.09592.55422.67023.48001.54202.16973.09954.16682.98322.56103.49372.7502
H32.97981.09491.78201.77332.75612.82123.81442.18053.07862.78803.86142.40202.83613.86003.0881
H44.25391.09601.78201.77623.50753.73304.33342.18462.54403.52754.50633.26242.79573.74462.5373
H53.97621.09591.77331.77622.84752.55463.71702.18192.48244.06765.14643.98803.51174.32413.7652
C61.85752.55422.75613.50752.84751.09321.09361.54972.17282.70723.53063.34882.45842.75073.4376
H72.44262.67022.82123.73302.55461.09321.78342.20442.68933.57444.46894.01173.41453.81054.2923
H82.44573.48003.81444.33343.71701.09361.78342.19042.39643.28373.87374.12862.85772.71513.8811
C92.73951.54202.18052.18462.18191.54972.20442.19041.09722.49443.42862.93821.54902.17252.2002
H103.68982.16973.07862.54402.48242.17282.68932.39641.09723.44764.26343.95242.18142.43162.6189
C111.85803.09952.78803.52754.06762.70723.57443.28372.49443.44761.09221.09271.54792.17242.1915
H122.44624.16683.86144.50635.14643.53064.46893.87373.42864.26341.09221.77992.20022.40202.7055
H132.44472.98322.40203.26243.98803.34884.01174.12862.93823.95241.09271.77992.19263.06252.4276
C142.73472.56102.83612.79573.51172.45843.41452.85771.54902.18141.54792.20022.19261.09601.0956
H153.11753.49373.86003.74464.32412.75073.81052.71512.17252.43162.17242.40203.06251.09601.7806
H163.69692.75023.08812.53733.76523.43764.29233.88112.20022.61892.19152.70552.42761.09561.7806

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 108.983 S1 C6 H8 109.187
S1 C6 C9 106.687 S1 C11 H12 109.258
S1 C11 H13 109.125 S1 C11 C14 106.467
C2 C9 C6 111.407 C2 C9 H10 109.430
C2 C9 C14 111.891 H3 C2 H4 108.855
H3 C2 H5 108.082 H3 C2 C9 110.422
H4 C2 H5 108.261 H4 C2 C9 110.679
H5 C2 C9 110.467 C6 S1 C11 93.543
C6 C9 H10 109.151 C6 C9 C14 104.997
H7 C6 H8 109.286 H7 C6 C9 111.882
H8 C6 C9 110.742 C9 C14 C11 107.304
C9 C14 H15 109.240 C9 C14 H16 111.446
H10 C9 C14 109.864 C11 C14 H15 109.314
C11 C14 H16 110.831 H12 C11 H13 109.094
H12 C11 C14 111.731 H13 C11 C14 111.095
H15 C14 H16 108.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.139      
2 C -0.536      
3 H 0.210      
4 H 0.186      
5 H 0.189      
6 C -0.506      
7 H 0.216      
8 H 0.215      
9 C -0.256      
10 H 0.202      
11 C -0.534      
12 H 0.220      
13 H 0.217      
14 C -0.362      
15 H 0.203      
16 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.916 0.807 0.681 2.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.891 -1.850 -0.138
y -1.850 -43.376 -1.219
z -0.138 -1.219 -45.921
Traceless
 xyz
x -4.242 -1.850 -0.138
y -1.850 4.030 -1.219
z -0.138 -1.219 0.212
Polar
3z2-r20.425
x2-y2-5.515
xy-1.850
xz-0.138
yz-1.219


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.875 0.035 0.365
y 0.035 9.621 -0.257
z 0.365 -0.257 8.069


<r2> (average value of r2) Å2
<r2> 195.982
(<r2>)1/2 13.999