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 (Cyclopentanethiol)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-591.606961
Energy at 298.15K-591.618485
Nuclear repulsion energy298.288518
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 B3PW91/3-21G
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 3157 3035 43.84      
2 A 3144 3022 12.31      
3 A 3140 3018 3.35      
4 A 3122 3001 10.76      
5 A 3112 2992 4.22      
6 A 3095 2975 32.27      
7 A 3083 2964 22.26      
8 A 3082 2962 11.02      
9 A 3079 2960 10.40      
10 A 2476 2380 34.70      
11 A 1562 1502 2.04      
12 A 1542 1482 12.09      
13 A 1537 1478 7.13      
14 A 1528 1469 2.46      
15 A 1378 1325 10.89      
16 A 1370 1317 2.80      
17 A 1358 1305 1.07      
18 A 1353 1301 1.70      
19 A 1334 1282 0.59      
20 A 1301 1251 12.00      
21 A 1289 1239 4.68      
22 A 1249 1200 9.84      
23 A 1223 1176 1.41      
24 A 1195 1149 5.29      
25 A 1114 1071 0.28      
26 A 1055 1014 3.02      
27 A 1013 974 1.70      
28 A 992 953 0.49      
29 A 959 921 1.66      
30 A 940 904 1.84      
31 A 888 853 3.52      
32 A 855 822 7.18      
33 A 822 790 3.47      
34 A 818 787 6.83      
35 A 742 714 4.91      
36 A 638 614 0.92      
37 A 465 447 0.29      
38 A 357 344 2.85      
39 A 244 234 3.17      
40 A 197 189 30.47      
41 A 161 154 0.95      
42 A 37 36 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 31002.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 29799.5 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 B3PW91/3-21G
ABC
0.20781 0.05952 0.04953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.563 1.209 -0.780
H2 -2.293 1.159 0.972
C3 -1.927 0.791 0.007
H4 -2.508 -1.175 -0.847
H5 -2.376 -1.162 0.920
C6 -1.932 -0.779 -0.005
H7 -0.157 -1.363 -1.151
H8 -0.216 -2.117 0.463
C9 -0.437 -1.207 -0.102
H10 -0.199 2.158 0.284
H11 -0.192 1.251 -1.252
C12 -0.441 1.199 -0.186
H13 0.284 0.050 1.525
C14 0.323 0.020 0.432
H15 2.534 1.092 0.507
S16 2.136 -0.078 -0.095

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 H7 H8 C9 H10 H11 C12 H13 C14 H15 S16
H11.77361.09432.38512.92372.22513.54114.25583.28812.76022.41742.20363.84153.34785.25744.9193
H21.77361.09562.96682.32352.20023.92833.91223.19262.42003.06112.18482.85902.90394.84934.7205
C31.09431.09562.22072.20271.57053.01933.40502.49472.22072.19271.55352.78242.41634.49884.1562
H42.38512.96682.22071.77221.09432.37812.80302.20084.20923.37793.21633.86263.32785.69114.8304
H52.92372.32352.20271.77221.09513.04242.40582.19224.02143.91333.24732.98502.98675.41854.7504
C62.22512.20021.57051.09431.09512.19252.22571.55783.42272.95062.48402.81742.43184.86904.1291
H73.54113.92833.01932.37813.04242.19251.78211.09733.80242.61592.75233.05812.15544.00182.8324
H84.25583.91223.40502.80302.40582.22571.78211.09374.27893.77943.38602.46452.20354.22613.1623
C93.28813.19262.49472.20082.19221.55781.09731.09373.39522.72462.40702.17851.53813.80552.8100
H102.76022.42002.22074.20924.02143.42273.80244.27893.39521.78411.09502.49372.20642.94173.2550
H112.41743.06112.19273.37793.91332.95062.61593.77942.72461.78411.09653.06322.14873.24802.9195
C122.20362.18481.55353.21633.24732.48402.75233.38602.40701.09501.09652.18441.53453.05562.8768
H133.84152.85902.78243.86262.98502.81743.05812.46452.17852.49373.06322.18441.09472.68062.4644
C143.34782.90392.41633.32782.98672.43182.15542.20351.53812.20642.14871.53451.09472.45841.8905
H155.25744.84934.49885.69115.41854.86904.00184.22613.80552.94173.24803.05562.68062.45841.3747
S164.91934.72054.15624.83044.75044.12912.83243.16232.81003.25502.91952.87682.46441.89051.3747

picture of Cyclopentanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 108.164 H1 C3 C6 111.988
H1 C3 C12 111.478 H2 C3 C6 109.947
H2 C3 C12 109.916 C3 C6 H4 111.640
C3 C6 H5 110.174 C3 C6 C9 105.772
C3 C12 H10 112.815 C3 C12 H11 110.490
C3 C12 C14 102.975 H4 C6 H5 108.083
H4 C6 C9 110.953 H5 C6 C9 110.227
C6 C3 C12 105.336 C6 C9 H7 110.126
C6 C9 H8 112.987 C6 C9 C14 103.525
H7 C9 H8 108.855 H7 C9 C14 108.584
H8 C9 C14 112.609 C9 C14 C12 103.139
C9 C14 H13 110.538 C9 C14 S16 109.652
H10 C12 H11 108.997 H10 C12 C14 113.026
H11 C12 C14 108.361 C12 C14 H13 111.262
C12 C14 S16 113.864 H13 C14 S16 108.313
C14 S16 H15 96.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.222      
2 H 0.219      
3 C -0.426      
4 H 0.222      
5 H 0.221      
6 C -0.424      
7 H 0.235      
8 H 0.229      
9 C -0.404      
10 H 0.215      
11 H 0.237      
12 C -0.401      
13 H 0.257      
14 C -0.509      
15 H 0.084      
16 S 0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.817 0.974 0.842 2.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.893 3.261 1.741
y 3.261 -44.823 0.982
z 1.741 0.982 -45.716
Traceless
 xyz
x -3.623 3.261 1.741
y 3.261 2.482 0.982
z 1.741 0.982 1.142
Polar
3z2-r22.283
x2-y2-4.070
xy3.261
xz1.741
yz0.982


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 234.621
(<r2>)1/2 15.317