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 CH3CHSHCH3 (2-Propanethiol)

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 CS 1A'
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-513.170660
Energy at 298.15K-513.179532
Nuclear repulsion energy168.158699
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' 3296 2985 23.94      
2 A' 3278 2968 14.01      
3 A' 3248 2941 26.58      
4 A' 3199 2897 31.72      
5 A' 2612 2365 27.63      
6 A' 1675 1517 13.86      
7 A' 1670 1513 9.77      
8 A' 1589 1439 7.28      
9 A' 1413 1279 22.57      
10 A' 1314 1190 7.50      
11 A' 1226 1110 32.05      
12 A' 947 858 11.67      
13 A' 918 831 8.13      
14 A' 628 569 17.86      
15 A' 439 398 0.63      
16 A' 362 328 0.39      
17 A' 286 259 0.16      
18 A" 3282 2973 16.72      
19 A" 3247 2940 0.36      
20 A" 3193 2892 12.93      
21 A" 1659 1502 5.05      
22 A" 1656 1499 0.12      
23 A" 1573 1424 11.13      
24 A" 1476 1336 0.21      
25 A" 1214 1100 3.24      
26 A" 1062 961 2.38      
27 A" 1037 939 0.61      
28 A" 344 311 2.49      
29 A" 264 239 0.54      
30 A" 242 219 30.05      

Unscaled Zero Point Vibrational Energy (zpe) 24172.6 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 21890.8 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
0.26173 0.14132 0.10238

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.603 0.000
S2 -0.986 -1.021 0.000
H3 -0.781 1.349 0.000
H4 0.075 -1.863 0.000
C5 0.844 0.724 1.271
C6 0.844 0.724 -1.271
H7 1.602 -0.051 1.300
H8 1.602 -0.051 -1.300
H9 1.345 1.687 1.290
H10 0.228 0.636 2.156
H11 0.228 0.636 -2.156
H12 1.345 1.687 -1.290

Atom - Atom Distances (Å)
  C1 S2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.90011.07982.46771.53051.53052.16382.16382.15592.16802.16802.1559
S21.90012.37911.35452.83032.83033.05363.05363.79892.97782.97783.7989
H31.07982.37913.32452.15552.15553.05383.05382.50952.48472.48472.5095
H42.46771.35453.32452.98372.98372.70242.70243.98533.30413.30413.9853
C51.53052.83032.15552.98372.54181.08442.78961.08571.08173.48262.7810
C61.53052.83032.15552.98372.54182.78961.08442.78103.48261.08171.0857
H72.16383.05363.05382.70241.08442.78962.59901.75731.75823.78113.1291
H82.16383.05363.05382.70242.78961.08442.59903.12913.78111.75821.7573
H92.15593.79892.50953.98531.08572.78101.75733.12911.76153.77132.5791
H102.16802.97782.48473.30411.08173.48261.75823.78111.76154.31143.7713
H112.16802.97782.48473.30413.48261.08173.78111.75823.77134.31141.7615
H122.15593.79892.50953.98532.78101.08573.12911.75732.57913.77131.7615

picture of 2-Propanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H4 97.193 C1 C5 H7 110.526
C1 C5 H9 109.816 C1 C5 H10 111.021
C1 C6 H8 110.526 C1 C6 H11 111.021
C1 C6 H12 109.816 S2 C1 H3 102.438
S2 C1 C5 110.720 S2 C1 C6 110.720
H3 C1 C5 110.133 H3 C1 C6 110.133
C5 C1 C6 112.271 H7 C5 H9 108.151
H7 C5 H10 108.528 H8 C6 H11 108.528
H8 C6 H12 108.151 H9 C5 H10 108.727
H11 C6 H12 108.727
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.540 0.253   0.193
2 S 0.031 -0.446   -0.439
3 H 0.269 0.105   0.163
4 H 0.060 0.219   0.229
5 C -0.555 -0.363   -0.551
6 C -0.555 -0.363   -0.551
7 H 0.205 0.111   0.173
8 H 0.205 0.111   0.173
9 H 0.211 0.097   0.155
10 H 0.229 0.089   0.150
11 H 0.229 0.089   0.150
12 H 0.211 0.097   0.155


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.052 1.208 0.000 2.381
CHELPG 2.012 1.174 0.000 2.330
AIM        
ESP 2.072 1.237 0.000 2.413


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.432 -2.715 0.000
y -2.715 -33.470 0.000
z 0.000 0.000 -35.924
Traceless
 xyz
x -2.735 -2.715 0.000
y -2.715 3.209 0.000
z 0.000 0.000 -0.473
Polar
3z2-r2-0.947
x2-y2-3.963
xy-2.715
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.666 0.847 0.000
y 0.847 7.668 0.000
z 0.000 0.000 5.507


<r2> (average value of r2) Å2
<r2> 128.151
(<r2>)1/2 11.320