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: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-44.357759
Energy at 298.15K-44.369544
Nuclear repulsion energy134.885384
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/CEP-121G
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 3114 3034 31.30      
2 A 3107 3028 23.58      
3 A 3078 2999 51.23      
4 A 3067 2989 56.47      
5 A 3052 2974 41.12      
6 A 3040 2963 8.54      
7 A 3036 2959 65.73      
8 A 3001 2924 58.78      
9 A 2985 2909 39.17      
10 A 2981 2905 13.85      
11 A 1530 1491 6.87      
12 A 1522 1483 2.64      
13 A 1512 1473 6.78      
14 A 1502 1463 1.92      
15 A 1498 1460 7.09      
16 A 1429 1392 13.24      
17 A 1377 1342 4.28      
18 A 1349 1315 6.33      
19 A 1319 1285 3.93      
20 A 1299 1265 9.60      
21 A 1254 1222 15.26      
22 A 1234 1203 5.76      
23 A 1180 1150 1.69      
24 A 1143 1114 0.05      
25 A 1082 1054 0.73      
26 A 1062 1035 1.21      
27 A 1046 1020 0.63      
28 A 996 970 2.46      
29 A 963 939 0.25      
30 A 929 905 1.53      
31 A 899 877 3.97      
32 A 854 832 1.05      
33 A 784 764 2.51      
34 A 696 679 6.12      
35 A 645 629 3.92      
36 A 579 565 1.10      
37 A 476 464 0.30      
38 A 371 362 0.21      
39 A 348 340 0.28      
40 A 220 214 0.15      
41 A 188 184 0.35      
42 A 108 105 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 30927.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 30138.5 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 B3LYP/CEP-121G
ABC
0.13631 0.08212 0.06681

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.539 0.981 -0.522
C2 -1.770 -0.164 -0.721
H3 -1.182 -0.097 -1.646
H4 -2.273 -1.141 -0.702
H5 -2.545 0.613 -0.763
C6 -0.064 1.351 0.477
H7 -0.603 2.153 -0.036
H8 0.234 1.689 1.475
C9 -0.873 0.023 0.533
H10 -1.519 0.043 1.425
C11 1.294 -0.918 -0.362
H12 2.247 -1.359 -0.057
H13 1.011 -1.309 -1.345
C14 0.179 -1.118 0.696
H15 0.618 -1.067 1.702
H16 -0.290 -2.107 0.586

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.50723.13594.36684.10811.92482.48992.48842.80183.74521.92232.48932.49022.78243.16103.7564
C23.50721.09781.09881.09862.57682.68293.50311.55322.17093.17554.24313.07142.59073.51942.7700
H33.13591.09781.78061.77242.80272.82663.86492.20443.09312.90783.98492.52412.89443.92323.1334
H44.36681.09881.78061.77563.53233.75214.36242.20002.54853.59014.57123.35102.82193.76042.5545
H54.10811.09861.77241.77562.87042.58283.72702.19652.48324.15275.23024.08413.54134.34773.7820
C61.92482.57682.80273.53232.87041.09451.09501.55572.17402.77443.60153.39842.49002.79473.4667
H72.48992.68292.82663.75212.58281.09451.78872.22092.72483.62494.52354.03783.44153.85744.3164
H82.48843.50313.86494.36243.72701.09501.78872.21082.40513.36133.96144.18842.91352.79193.9337
C92.80181.55322.20442.20002.19651.55572.22092.21081.10192.52663.46332.97511.55992.18552.2090
H103.74522.17093.09312.54852.48322.17402.72482.40511.10193.46914.28383.98822.18232.42392.6153
C111.92233.17552.90783.59014.15272.77443.62493.36132.52663.46911.09361.09441.55042.17752.1954
H122.48934.24313.98494.57125.23023.60154.52353.96143.46334.28381.09361.78562.21472.41572.7218
H132.49023.07142.52413.35104.08413.39844.03784.18842.97513.98821.09441.78562.21233.08182.4612
C142.78242.59072.89442.82193.54132.49003.44152.91351.55992.18231.55042.21472.21231.09921.0998
H153.16103.51943.92323.76044.34772.79473.85742.79192.18552.42392.17752.41573.08181.09921.7750
H163.75642.77003.13342.55453.78203.46674.31643.93372.20902.61532.19542.72182.46121.09981.7750

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 107.928 S1 C6 H8 107.803
S1 C6 C9 106.745 S1 C11 H12 108.090
S1 C11 H13 108.115 S1 C11 C14 105.998
C2 C9 C6 111.964 C2 C9 H10 108.507
C2 C9 C14 112.650 H3 C2 H4 108.314
H3 C2 H5 107.595 H3 C2 C9 111.357
H4 C2 H5 107.806 H4 C2 C9 110.946
H5 C2 C9 110.680 C6 S1 C11 92.306
C6 C9 H10 108.574 C6 C9 C14 106.109
H7 C6 H8 109.565 H7 C6 C9 112.710
H8 C6 C9 111.860 C9 C14 C11 108.649
C9 C14 H15 109.322 C9 C14 H16 111.131
H10 C9 C14 108.924 C11 C14 H15 109.348
C11 C14 H16 110.722 H12 C11 H13 109.380
H12 C11 C14 112.633 H13 C11 C14 112.390
H15 C14 H16 107.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.224      
2 C -0.518      
3 H 0.165      
4 H 0.145      
5 H 0.148      
6 C -0.598      
7 H 0.182      
8 H 0.183      
9 C 0.073      
10 H 0.142      
11 C -0.572      
12 H 0.180      
13 H 0.183      
14 C -0.232      
15 H 0.150      
16 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.745 -1.386 1.047 2.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.365 -4.022 0.659
y -4.022 -44.825 1.711
z 0.659 1.711 -46.169
Traceless
 xyz
x -2.868 -4.022 0.659
y -4.022 2.442 1.711
z 0.659 1.711 0.426
Polar
3z2-r20.852
x2-y2-3.540
xy-4.022
xz0.659
yz1.711


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.584 0.082 -0.757
y 0.082 11.534 -0.062
z -0.757 -0.062 9.566


<r2> (average value of r2) Å2
<r2> 149.095
(<r2>)1/2 12.210