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All results from a given calculation for C(CH3)3SH (2-Propanethiol, 2-methyl-)

using model chemistry: HF/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-37.710662
Energy at 298.15K-37.721776
HF Energy-37.710662
Nuclear repulsion energy108.772337
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/CEP-31G*
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' 3302 2966 64.93 88.04 0.71 0.83
2 A' 3287 2952 82.69 104.92 0.75 0.86
3 A' 3276 2942 69.13 71.09 0.75 0.86
4 A' 3220 2891 48.18 354.68 0.01 0.02
5 A' 3211 2883 61.71 36.89 0.07 0.13
6 A' 2887 2593 23.89 123.74 0.35 0.52
7 A' 1643 1476 5.98 0.15 0.54 0.70
8 A' 1630 1463 7.58 9.38 0.75 0.86
9 A' 1617 1452 0.29 22.44 0.75 0.86
10 A' 1567 1407 0.25 1.60 0.02 0.03
11 A' 1544 1386 2.98 0.63 0.54 0.70
12 A' 1371 1231 0.25 2.34 0.73 0.85
13 A' 1315 1181 55.06 5.57 0.56 0.72
14 A' 1156 1038 3.10 11.62 0.75 0.86
15 A' 1021 917 1.21 5.31 0.75 0.86
16 A' 958 860 7.29 9.73 0.75 0.86
17 A' 899 808 4.49 15.11 0.68 0.81
18 A' 638 573 9.38 24.71 0.12 0.22
19 A' 414 372 1.71 0.72 0.73 0.84
20 A' 387 348 0.12 3.25 0.56 0.72
21 A' 321 288 0.27 0.30 0.74 0.85
22 A' 301 270 1.07 0.42 0.72 0.84
23 A" 3301 2964 80.38 91.94 0.75 0.86
24 A" 3294 2958 1.51 3.27 0.75 0.86
25 A" 3269 2936 1.68 10.09 0.75 0.86
26 A" 3207 2880 35.66 1.35 0.75 0.86
27 A" 1631 1465 6.12 8.81 0.75 0.86
28 A" 1614 1449 0.39 23.70 0.75 0.86
29 A" 1607 1443 0.00 0.47 0.75 0.86
30 A" 1543 1386 1.98 1.16 0.75 0.86
31 A" 1353 1215 3.30 2.94 0.75 0.86
32 A" 1139 1023 0.05 8.36 0.75 0.86
33 A" 1047 940 0.02 0.00 0.75 0.86
34 A" 1013 910 0.14 7.60 0.75 0.86
35 A" 421 378 0.61 1.31 0.75 0.86
36 A" 320 287 2.48 0.60 0.75 0.86
37 A" 303 272 0.00 0.30 0.75 0.86
38 A" 272 245 6.20 3.56 0.75 0.86
39 A" 219 197 15.14 5.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 30759.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 27622.1 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/CEP-31G*
ABC
0.14818 0.09866 0.09781

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.342 -0.008 0.000
S2 -1.507 0.091 0.000
C3 0.838 1.452 0.000
C4 0.838 -0.736 1.265
C5 0.838 -0.736 -1.265
H6 -1.762 -1.222 0.000
H7 1.930 1.467 0.000
H8 0.492 1.987 -0.884
H9 0.492 1.987 0.884
H10 1.931 -0.760 1.277
H11 1.931 -0.760 -1.277
H12 0.495 -0.230 2.168
H13 0.481 -1.767 1.295
H14 0.495 -0.230 -2.168
H15 0.481 -1.767 -1.295

Atom - Atom Distances (Å)
  C1 S2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.85171.54221.54141.54142.42952.16782.18812.18812.17262.17262.18432.18812.18432.1881
S21.85172.71122.79002.79001.33793.70232.89332.89333.76503.76502.96793.01312.96793.0131
C31.54222.71122.52702.52703.73011.09211.09061.09062.77772.77772.76533.48762.76533.4876
C41.54142.79002.52702.53082.93292.76523.48662.77121.09352.76741.08961.09163.48692.7834
C51.54142.79002.52702.53082.93292.76522.77123.48662.76741.09353.48692.78341.08961.0916
H62.42951.33793.73012.93292.93294.56824.02034.02033.93563.93563.28282.64693.28282.6469
H72.16783.70231.09212.76522.76524.56821.76711.76712.56702.56703.10513.77313.10513.7731
H82.18812.89331.09063.48662.77124.02031.76711.76893.78033.12623.77284.34082.56233.7764
H92.18812.89331.09062.77123.48664.02031.76711.76893.12623.78032.56233.77643.77284.3408
H102.17263.76502.77771.09352.76743.93562.56703.78033.12622.55371.77121.76593.76943.1199
H112.17263.76502.77772.76741.09353.93562.56703.12623.78032.55373.76943.11991.77121.7659
H122.18432.96792.76531.08963.48693.28283.10513.77282.56231.77123.76941.76664.33533.7882
H132.18813.01313.48761.09162.78342.64693.77314.34083.77641.76593.11991.76663.78822.5903
H142.18432.96792.76533.48691.08963.28283.10512.56233.77283.76941.77124.33533.78821.7666
H152.18813.01313.48762.78341.09162.64693.77313.77644.34083.11991.76593.78822.59031.7666

picture of 2-Propanethiol, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 97.934 C1 C3 H7 109.576
C1 C3 H8 111.266 C1 C3 H9 111.266
C1 C4 H10 109.922 C1 C4 H12 111.080
C1 C4 H13 111.256 C1 C5 H11 109.922
C1 C5 H14 111.080 C1 C5 H15 111.256
S2 C1 C3 105.682 S2 C1 C4 110.287
S2 C1 C5 110.287 C3 C1 C4 110.068
C3 C1 C5 110.068 C4 C1 C5 110.353
H7 C3 H8 108.119 H7 C3 H9 108.119
H8 C3 H9 108.388 H10 C4 H12 108.462
H10 C4 H13 107.836 H11 C5 H14 108.462
H11 C5 H15 107.836 H12 C4 H13 108.179
H14 C5 H15 108.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.051      
2 S -0.194      
3 C -0.384      
4 C -0.352      
5 C -0.352      
6 H 0.090      
7 H 0.112      
8 H 0.141      
9 H 0.141      
10 H 0.100      
11 H 0.100      
12 H 0.148      
13 H 0.125      
14 H 0.148      
15 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.739 -0.957 0.000 1.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.898 2.592 0.000
y 2.592 -38.480 0.000
z 0.000 0.000 -41.689
Traceless
 xyz
x -1.813 2.592 0.000
y 2.592 3.314 0.000
z 0.000 0.000 -1.501
Polar
3z2-r2-3.001
x2-y2-3.418
xy2.592
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.657 0.089 0.000
y 0.089 8.062 0.000
z 0.000 0.000 7.311


<r2> (average value of r2) Å2
<r2> 125.910
(<r2>)1/2 11.221