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All results from a given calculation for C5H10S (Cyclopentanethiol)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-590.156310
Energy at 298.15K-590.167869
HF Energy-589.644014
Nuclear repulsion energy296.722361
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 MP2/3-21G
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 3179 3035 47.75      
2 A 3165 3021 10.41      
3 A 3161 3017 2.17      
4 A 3145 3002 10.10      
5 A 3133 2991 3.85      
6 A 3117 2976 28.18      
7 A 3104 2963 22.84      
8 A 3102 2961 18.59      
9 A 3101 2959 3.52      
10 A 2462 2350 32.25      
11 A 1604 1531 0.92      
12 A 1586 1514 8.25      
13 A 1583 1511 3.45      
14 A 1575 1503 1.32      
15 A 1411 1347 7.45      
16 A 1406 1342 1.42      
17 A 1391 1328 0.16      
18 A 1373 1311 1.58      
19 A 1358 1297 0.69      
20 A 1327 1266 14.24      
21 A 1320 1260 2.48      
22 A 1266 1209 7.88      
23 A 1244 1187 1.60      
24 A 1216 1161 4.76      
25 A 1108 1058 0.84      
26 A 1056 1008 2.79      
27 A 1030 983 1.40      
28 A 990 945 0.67      
29 A 951 907 0.92      
30 A 939 896 1.91      
31 A 880 840 3.56      
32 A 864 824 3.38      
33 A 829 791 3.60      
34 A 816 779 4.02      
35 A 759 725 3.13      
36 A 636 607 0.66      
37 A 468 447 0.31      
38 A 357 341 1.87      
39 A 247 236 3.25      
40 A 203 193 26.89      
41 A 165 158 1.05      
42 A 29 27 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 31327.8 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 29902.4 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 MP2/3-21G
ABC
0.20559 0.05876 0.04889

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.614 1.254 -0.686
H2 -2.239 1.113 1.044
C3 -1.936 0.796 0.040
H4 -2.456 -1.119 -0.956
H5 -2.468 -1.208 0.814
C6 -1.948 -0.780 -0.048
H7 -0.124 -1.445 -1.089
H8 -0.249 -2.099 0.562
C9 -0.439 -1.222 -0.063
H10 -0.197 2.173 0.235
H11 -0.231 1.227 -1.278
C12 -0.450 1.202 -0.205
H13 0.288 0.093 1.521
C14 0.327 0.031 0.430
H15 2.548 1.103 0.480
S16 2.151 -0.078 -0.098

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 H7 H8 C9 H10 H11 C12 H13 C14 H15 S16
H11.77551.09402.39392.88682.23343.69414.28823.35392.74452.45522.21723.82663.37475.29404.9824
H21.77551.09553.00532.34402.20533.94543.80883.14932.43813.07162.18322.76692.85144.81984.6896
C31.09401.09552.22062.21321.57873.09503.39042.51452.22622.19741.55962.76312.42004.51574.1814
H42.39393.00532.22061.77271.09392.35822.85172.20824.16613.24903.15863.89053.31475.66034.8000
H52.88682.34402.21321.77271.09413.02862.40352.21054.11343.91263.30443.12843.08115.53274.8413
C62.23342.20531.57871.09391.09412.20292.23521.57263.44462.91352.48982.86832.46224.90324.1589
H73.69413.94543.09502.35823.02862.20291.78051.09633.85272.68042.80983.05742.16544.01162.8325
H84.28823.80883.39042.85172.40352.23521.78051.09354.28413.80093.39492.45182.21054.25273.2060
C93.35393.14932.51452.20822.21051.57261.09631.09353.41592.74142.42822.18311.54883.82372.8309
H102.74452.43812.22624.16614.11343.44463.85274.28413.41591.78481.09492.49322.21322.95623.2697
H112.45523.07162.19743.24903.91262.91352.68043.80092.74141.78481.09583.06492.15853.29102.9618
C122.21722.18321.55963.15863.30442.48982.80983.39492.42821.09491.09582.18071.54213.07692.9012
H133.82662.76692.76313.89053.12842.86833.05742.45182.18312.49323.06492.18071.09382.68552.4738
C143.37472.85142.42003.31473.08112.46222.16542.21051.54882.21322.15851.54211.09382.46681.9019
H155.29404.81984.51575.66035.53274.90324.01164.25273.82372.95623.29103.07692.68552.46681.3741
S164.98244.68964.18144.80004.84134.15892.83253.20602.83093.26972.96182.90122.47381.90191.3741

picture of Cyclopentanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 108.377 H1 C3 C6 112.087
H1 C3 C12 112.159 H2 C3 C6 109.787
H2 C3 C12 109.382 C3 C6 H4 111.071
C3 C6 H5 110.483 C3 C6 C9 105.859
C3 C12 H10 112.823 C3 C12 H11 110.478
C3 C12 C14 102.560 H4 C6 H5 108.223
H4 C6 C9 110.526 H5 C6 C9 110.693
C6 C3 C12 104.997 C6 C9 H7 109.971
C6 C9 H8 112.700 C6 C9 C14 104.146
H7 C9 H8 108.798 H7 C9 C14 108.689
H8 C9 C14 112.411 C9 C14 C12 103.548
C9 C14 H13 110.218 C9 C14 S16 109.822
H10 C12 H11 109.115 H10 C12 C14 113.034
H11 C12 C14 108.641 C12 C14 H13 110.500
C12 C14 S16 114.380 H13 C14 S16 108.298
C14 S16 H15 96.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.195     0.015
2 H 0.191     0.012
3 C -0.375     0.047
4 H 0.196     0.065
5 H 0.194     0.068
6 C -0.371     -0.210
7 H 0.207     0.091
8 H 0.203     0.042
9 C -0.358     -0.014
10 H 0.189     0.039
11 H 0.207     0.052
12 C -0.353     -0.094
13 H 0.225     0.102
14 C -0.455     -0.035
15 H 0.064     0.216
16 S 0.042     -0.397


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.662 0.944 0.785 2.067
CHELPG        
AIM        
ESP -1.710 0.919 0.847 2.118


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.234 3.157 1.575
y 3.157 -46.453 0.903
z 1.575 0.903 -47.336
Traceless
 xyz
x -3.339 3.157 1.575
y 3.157 2.332 0.903
z 1.575 0.903 1.007
Polar
3z2-r22.014
x2-y2-3.780
xy3.157
xz1.575
yz0.903


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.208 0.383 -0.132
y 0.383 8.686 0.437
z -0.132 0.437 7.422


<r2> (average value of r2) Å2
<r2> 237.965
(<r2>)1/2 15.426