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All results from a given calculation for C5H10S (Cyclopentanethiol)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-589.645721
Energy at 298.15K-589.657558
Nuclear repulsion energy299.040554
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/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 3303 2991 57.54      
2 A 3285 2975 16.93      
3 A 3285 2975 9.01      
4 A 3268 2959 0.82      
5 A 3261 2953 15.69      
6 A 3245 2939 30.88      
7 A 3233 2928 31.99      
8 A 3231 2926 29.07      
9 A 3226 2921 4.51      
10 A 2617 2370 32.84      
11 A 1678 1519 1.23      
12 A 1656 1499 10.27      
13 A 1653 1497 5.69      
14 A 1643 1488 0.88      
15 A 1499 1358 11.16      
16 A 1488 1348 1.57      
17 A 1475 1335 0.35      
18 A 1461 1323 0.34      
19 A 1450 1313 1.51      
20 A 1402 1270 19.67      
21 A 1396 1264 3.76      
22 A 1353 1226 10.24      
23 A 1326 1201 1.51      
24 A 1292 1170 7.92      
25 A 1180 1068 1.57      
26 A 1115 1010 3.46      
27 A 1092 989 1.40      
28 A 1046 947 0.70      
29 A 1000 906 0.66      
30 A 980 887 3.22      
31 A 924 837 11.60      
32 A 915 828 2.43      
33 A 880 797 1.58      
34 A 865 783 8.37      
35 A 787 712 5.79      
36 A 684 620 0.61      
37 A 493 447 0.09      
38 A 378 342 3.56      
39 A 263 238 2.72      
40 A 206 186 32.70      
41 A 168 153 1.03      
42 A 37 33 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 32867.9 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 29765.1 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/3-21G
ABC
0.20907 0.05957 0.04955

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.565 1.213 -0.747
H2 -2.272 1.147 0.979
C3 -1.925 0.792 0.017
H4 -2.494 -1.155 -0.855
H5 -2.387 -1.165 0.892
C6 -1.934 -0.776 -0.011
H7 -0.162 -1.387 -1.128
H8 -0.228 -2.099 0.478
C9 -0.440 -1.209 -0.096
H10 -0.201 2.146 0.274
H11 -0.209 1.257 -1.246
C12 -0.442 1.198 -0.190
H13 0.290 0.057 1.501
C14 0.325 0.020 0.422
H15 2.564 1.056 0.510
S16 2.135 -0.076 -0.094

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 H7 H8 C9 H10 H11 C12 H13 C14 H15 S16
H11.75181.08152.37102.89362.21303.56054.23453.28672.73862.40832.19463.81243.33745.28314.9168
H21.75181.08272.95122.31652.18933.91353.86883.17242.40553.03672.17292.83272.88564.86044.6984
C31.08151.08272.20732.19271.56853.02783.38392.49422.20762.18121.55212.76532.41314.52454.1537
H42.37102.95122.20731.75021.08152.35962.79362.19084.17453.34513.19223.84263.31045.68714.8139
H52.89362.31652.19271.75021.08203.01362.38852.18434.01533.89633.24673.00472.99695.44054.7551
C62.21302.18931.56851.08151.08202.18242.21341.55813.40952.93892.48182.81492.43434.88564.1302
H73.56053.91353.02782.35963.01362.18241.75871.08353.80102.64662.76433.03322.14964.01122.8400
H84.23453.86883.38392.79362.38852.21341.75871.08094.24993.77313.37142.44182.19134.21423.1636
C93.28673.17242.49422.19082.18431.55811.08351.08093.38312.73002.40862.16421.53733.81102.8130
H102.73862.40552.20764.17454.01533.40953.80104.24993.38311.76111.08232.47142.19442.98123.2446
H112.40833.03672.18123.34513.89632.93892.64663.77312.73001.76111.08283.03862.14393.28882.9321
C122.19462.17291.55213.19223.24672.48182.76433.37142.40861.08231.08282.16721.53313.09002.8763
H133.81242.83272.76533.84263.00472.81493.03322.44182.16422.47143.03862.16721.07992.67492.4430
C143.33742.88562.41313.31042.99692.43432.14962.19131.53732.19442.14391.53311.07992.46921.8849
H155.28314.86044.52455.68715.44054.88564.01124.21423.81102.98123.28883.09002.67492.46921.3536
S164.91684.69844.15374.81394.75514.13022.84003.16362.81303.24462.93212.87632.44301.88491.3536

picture of Cyclopentanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 108.080 H1 C3 C6 111.941
H1 C3 C12 111.631 H2 C3 C6 109.988
H2 C3 C12 109.828 C3 C6 H4 111.482
C3 C6 H5 110.295 C3 C6 C9 105.830
C3 C12 H10 112.635 C3 C12 H11 110.480
C3 C12 C14 102.913 H4 C6 H5 107.998
H4 C6 C9 110.898 H5 C6 C9 110.356
C6 C3 C12 105.364 C6 C9 H7 110.114
C6 C9 H8 112.761 C6 C9 C14 103.700
H7 C9 H8 108.699 H7 C9 C14 108.984
H8 C9 C14 112.468 C9 C14 C12 103.343
C9 C14 H13 110.340 C9 C14 S16 110.156
H10 C12 H11 108.857 H10 C12 C14 112.949
H11 C12 C14 108.866 C12 C14 H13 110.882
C12 C14 S16 114.212 H13 C14 S16 107.869
C14 S16 H15 98.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.221 -0.024   0.038
2 H 0.217 -0.037   0.030
3 C -0.422 0.131   -0.028
4 H 0.221 0.007   0.065
5 H 0.219 0.020   0.071
6 C -0.420 -0.110   -0.177
7 H 0.233 0.029   0.120
8 H 0.230 -0.028   0.067
9 C -0.398 0.135   -0.098
10 H 0.215 -0.008   0.044
11 H 0.234 -0.021   0.064
12 C -0.393 0.011   -0.087
13 H 0.260 0.020   0.118
14 C -0.526 0.084   -0.014
15 H 0.063 0.208   0.226
16 S 0.046 -0.417   -0.441


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.929 0.980 0.884 2.337
CHELPG -1.610 0.785 0.762 1.946
AIM        
ESP -1.961 0.956 0.931 2.373


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.352 3.294 1.888
y 3.294 -46.010 0.914
z 1.888 0.914 -46.722
Traceless
 xyz
x -3.986 3.294 1.888
y 3.294 2.527 0.914
z 1.888 0.914 1.459
Polar
3z2-r22.918
x2-y2-4.342
xy3.294
xz1.888
yz0.914


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.335 0.438 -0.112
y 0.438 8.593 0.447
z -0.112 0.447 7.345


<r2> (average value of r2) Å2
<r2> 235.004
(<r2>)1/2 15.330