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 C(CH3)3SH (2-Propanethiol, 2-methyl-)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-555.400653
Energy at 298.15K-555.411736
HF Energy-554.805943
Nuclear repulsion energy245.517068
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 CISD/6-31G*
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' 3248 3007 27.84      
2 A' 3233 2993 31.95      
3 A' 3223 2984 39.15      
4 A' 3159 2925 20.87      
5 A' 3150 2917 28.75      
6 A' 2827 2617 22.10      
7 A' 1609 1490 8.36      
8 A' 1596 1477 9.29      
9 A' 1582 1465 0.30      
10 A' 1530 1416 1.32      
11 A' 1503 1391 10.15      
12 A' 1346 1246 0.06      
13 A' 1288 1193 40.04      
14 A' 1127 1044 2.56      
15 A' 1006 931 1.15      
16 A' 936 867 6.26      
17 A' 888 822 1.56      
18 A' 636 588 4.82      
19 A' 416 385 1.18      
20 A' 390 361 0.19      
21 A' 320 296 0.21      
22 A' 301 279 0.97      
23 A" 3247 3006 28.37      
24 A" 3241 3001 4.25      
25 A" 3218 2979 0.75      
26 A" 3146 2913 16.22      
27 A" 1597 1479 7.60      
28 A" 1579 1462 0.40      
29 A" 1573 1456 0.02      
30 A" 1503 1391 9.47      
31 A" 1330 1231 2.47      
32 A" 1113 1031 0.06      
33 A" 1027 951 0.01      
34 A" 998 924 0.52      
35 A" 423 391 0.51      
36 A" 322 298 2.38      
37 A" 302 279 0.01      
38 A" 270 250 6.70      
39 A" 220 203 13.99      

Unscaled Zero Point Vibrational Energy (zpe) 30210.3 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 27968.7 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 CISD/6-31G*
ABC
0.15069 0.10029 0.09937

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.341 -0.007 0.000
S2 -1.496 0.088 0.000
C3 0.831 1.440 0.000
C4 0.831 -0.727 1.253
C5 0.831 -0.727 -1.253
H6 -1.728 -1.228 0.000
H7 1.921 1.457 0.000
H8 0.483 1.974 -0.884
H9 0.483 1.974 0.884
H10 1.922 -0.749 1.266
H11 1.922 -0.749 -1.266
H12 0.485 -0.224 2.154
H13 0.476 -1.757 1.281
H14 0.485 -0.224 -2.154
H15 0.476 -1.757 -1.281

Atom - Atom Distances (Å)
  C1 S2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.83941.52791.52641.52642.40312.15392.17362.17362.15752.15752.16942.17332.16942.1733
S21.83942.69122.76582.76581.33703.68092.87302.87303.74003.74002.94242.98902.94242.9890
C31.52792.69122.50412.50413.69771.09041.08911.08912.75482.75482.74423.46302.74423.4630
C41.52642.76582.50412.50642.89332.74433.46192.74881.09152.74591.08811.08983.46122.7581
C51.52642.76582.50412.50642.89332.74432.74883.46192.74591.09153.46122.75811.08811.0898
H62.40311.33703.69772.89332.89334.53103.99103.99103.89353.89353.24692.60353.24692.6035
H72.15393.68091.09042.74432.74434.53101.76501.76502.54392.54393.08713.74993.08713.7499
H82.17362.87301.08913.46192.74883.99101.76501.76703.75613.10373.74954.31372.53913.7526
H92.17362.87301.08912.74883.46193.99101.76501.76703.10373.75612.53913.75263.74954.3137
H102.15753.74002.75481.09152.74593.89352.54393.75613.10372.53301.76901.76313.74703.0978
H112.15753.74002.75482.74591.09153.89352.54393.10373.75612.53303.74703.09781.76901.7631
H122.16942.94242.74421.08813.46123.24693.08713.74952.53911.76903.74701.76424.30743.7609
H132.17332.98903.46301.08982.75812.60353.74994.31373.75261.76313.09781.76423.76092.5613
H142.16942.94242.74423.46121.08813.24693.08712.53913.74953.74701.76904.30743.76091.7642
H152.17332.98903.46302.75811.08982.60353.74993.75264.31373.09781.76313.76092.56131.7642

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 97.053 C1 C3 H7 109.570
C1 C3 H8 111.211 C1 C3 H9 111.211
C1 C4 H10 109.891 C1 C4 H12 111.043
C1 C4 H13 111.244 C1 C5 H11 109.891
C1 C5 H14 111.043 C1 C5 H15 111.244
S2 C1 C3 105.740 S2 C1 C4 110.174
S2 C1 C5 110.174 C3 C1 C4 110.141
C3 C1 C5 110.141 C4 C1 C5 110.375
H7 C3 H8 108.158 H7 C3 H9 108.158
H8 C3 H9 108.432 H10 C4 H12 108.509
H10 C4 H13 107.856 H11 C5 H14 108.509
H11 C5 H15 107.856 H12 C4 H13 108.196
H14 C5 H15 108.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability