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: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-594.687178
Energy at 298.15K-594.699001
Nuclear repulsion energy315.074396
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 B1B95/6-31G(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 3142 3010 12.19      
2 A 3139 3006 23.88      
3 A 3136 3004 25.31      
4 A 3133 3001 7.65      
5 A 3111 2980 21.09      
6 A 3082 2952 10.54      
7 A 3079 2949 49.80      
8 A 3063 2934 31.48      
9 A 3054 2925 19.78      
10 A 3052 2923 8.56      
11 A 1508 1444 3.96      
12 A 1496 1433 1.47      
13 A 1483 1420 3.26      
14 A 1475 1413 4.11      
15 A 1467 1405 3.19      
16 A 1393 1334 11.24      
17 A 1362 1304 4.31      
18 A 1334 1278 1.00      
19 A 1312 1256 3.34      
20 A 1289 1235 5.04      
21 A 1246 1194 10.75      
22 A 1224 1173 5.92      
23 A 1178 1128 1.43      
24 A 1128 1080 0.19      
25 A 1072 1027 0.39      
26 A 1060 1015 0.89      
27 A 1035 991 0.49      
28 A 1002 959 1.48      
29 A 961 920 0.34      
30 A 938 899 0.24      
31 A 899 861 2.22      
32 A 857 821 0.82      
33 A 813 779 1.15      
34 A 729 698 4.74      
35 A 705 675 2.13      
36 A 607 581 1.43      
37 A 493 472 0.07      
38 A 364 348 0.17      
39 A 341 326 0.12      
40 A 242 232 0.09      
41 A 185 178 0.37      
42 A 110 105 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 31149.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 29831.5 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 B1B95/6-31G(2df,p)
ABC
0.14244 0.08841 0.07262

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.443 -0.442 -0.265
C2 1.846 -0.313 -0.830
H3 1.146 -0.253 -1.668
H4 2.604 0.463 -0.960
H5 2.344 -1.283 -0.887
C6 -0.028 -1.151 0.645
H7 0.211 -2.126 0.218
H8 -0.304 -1.289 1.692
C9 1.118 -0.152 0.499
H10 1.831 -0.302 1.317
C11 -0.734 1.239 -0.316
H12 -1.495 1.959 -0.016
H13 -0.428 1.470 -1.338
C14 0.455 1.218 0.637
H15 0.099 1.348 1.663
H16 1.150 2.034 0.419

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.33982.95144.20553.92951.82592.40972.41782.68903.63951.82492.41482.41622.67833.05033.6503
C23.33981.09331.09281.09242.52772.65643.45481.52422.14723.05394.12112.93342.53603.46762.7481
H32.95141.09331.77171.76272.74532.81793.80382.17033.06322.75463.82062.35662.82043.84133.0959
H44.20551.09281.77171.76693.48003.71704.30832.17192.52373.48734.46453.21722.78243.73352.5467
H53.92951.09241.76271.76692.82732.54583.69692.16952.46684.02025.10003.93283.48594.29753.7600
C61.82592.52772.74533.48002.82731.09111.09151.52742.15142.67043.50153.31062.41802.70163.4034
H72.40972.65642.81793.71702.54581.09111.77182.19052.67533.53534.43323.96973.37923.76444.2693
H82.41783.45483.80384.30833.69691.09151.77182.17662.38193.25653.85804.09962.82422.66813.8442
C92.68901.52422.17032.17192.16951.52742.19052.17661.09512.45543.39842.89761.52862.15452.1877
H103.63952.14723.06322.52372.46682.15142.67532.38191.09513.40904.23693.91052.16102.41722.5943
C111.82493.05392.75463.48734.02022.67043.53533.25652.45543.40901.08991.09171.52362.15022.1730
H122.41484.12113.82064.46455.10003.50154.43323.85803.39844.23691.08991.76792.18502.39432.6809
H132.41622.93342.35663.21723.93283.31063.96974.09962.89763.91051.09171.76792.17743.04932.4275
C142.67832.53602.82042.78243.48592.41803.37922.82421.52862.16101.52362.18502.17741.09381.0937
H153.05033.46763.84133.73354.29752.70163.76442.66812.15452.41722.15022.39433.04931.09381.7669
H163.65032.74813.09592.54673.76003.40344.26933.84422.18772.59432.17302.68092.42751.09371.7669

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 108.775 S1 C6 H8 109.342
S1 C6 C9 106.281 S1 C11 H12 109.278
S1 C11 H13 109.289 S1 C11 C14 105.886
C2 C9 C6 111.852 C2 C9 H10 109.024
C2 C9 C14 112.343 H3 C2 H4 108.283
H3 C2 H5 107.501 H3 C2 C9 110.949
H4 C2 H5 107.910 H4 C2 C9 111.115
H5 C2 C9 110.941 C6 S1 C11 94.018
C6 C9 H10 109.124 C6 C9 C14 104.598
H7 C6 H8 108.540 H7 C6 C9 112.489
H8 C6 C9 111.337 C9 C14 C11 107.121
C9 C14 H15 109.368 C9 C14 H16 112.017
H10 C9 C14 109.798 C11 C14 H15 109.375
C11 C14 H16 111.187 H12 C11 H13 108.266
H12 C11 C14 112.392 H13 C11 C14 111.667
H15 C14 H16 107.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.149      
2 C -0.409      
3 H 0.147      
4 H 0.124      
5 H 0.128      
6 C -0.231      
7 H 0.136      
8 H 0.136      
9 C -0.032      
10 H 0.095      
11 C -0.236      
12 H 0.141      
13 H 0.138      
14 C -0.227      
15 H 0.124      
16 H 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.863 0.796 0.716 2.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.065 -1.871 -0.133
y -1.871 -42.687 -1.227
z -0.133 -1.227 -45.201
Traceless
 xyz
x -4.120 -1.871 -0.133
y -1.871 3.946 -1.227
z -0.133 -1.227 0.175
Polar
3z2-r20.349
x2-y2-5.377
xy-1.871
xz-0.133
yz-1.227


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.884 0.055 0.253
y 0.055 10.412 -0.170
z 0.253 -0.170 9.052


<r2> (average value of r2) Å2
<r2> 191.105
(<r2>)1/2 13.824