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: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-167.530459
Energy at 298.15K-167.541108
HF Energy-167.120959
Nuclear repulsion energy170.405621
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/LANL2DZ
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' 3131 3016 36.91      
2 A' 3119 3004 43.21      
3 A' 3108 2993 52.72      
4 A' 3016 2905 28.37      
5 A' 3009 2898 41.35      
6 A' 2542 2449 34.97      
7 A' 1547 1490 16.69      
8 A' 1535 1478 13.50      
9 A' 1526 1469 1.54      
10 A' 1471 1417 1.69      
11 A' 1444 1390 17.63      
12 A' 1283 1236 2.69      
13 A' 1234 1189 42.25      
14 A' 1084 1044 2.09      
15 A' 964 928 1.35      
16 A' 861 829 5.61      
17 A' 817 787 1.72      
18 A' 564 543 4.16      
19 A' 394 380 1.54      
20 A' 369 355 0.36      
21 A' 292 281 0.84      
22 A' 282 272 0.65      
23 A" 3130 3015 52.41      
24 A" 3124 3009 0.01      
25 A" 3103 2988 1.45      
26 A" 3007 2896 26.53      
27 A" 1537 1480 9.53      
28 A" 1523 1467 1.76      
29 A" 1515 1459 0.03      
30 A" 1444 1391 13.30      
31 A" 1274 1227 9.24      
32 A" 1074 1034 0.02      
33 A" 996 959 0.01      
34 A" 955 920 0.43      
35 A" 401 386 0.31      
36 A" 298 287 1.56      
37 A" 271 261 1.06      
38 A" 227 218 13.76      
39 A" 182 175 10.48      

Unscaled Zero Point Vibrational Energy (zpe) 28825.2 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 27761.6 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/LANL2DZ
ABC
0.14412 0.09419 0.09329

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.374 -0.004 0.000
S2 -1.554 0.087 0.000
C3 0.860 1.477 0.000
C4 0.860 -0.743 1.283
C5 0.860 -0.743 -1.283
H6 -1.761 -1.273 0.000
H7 1.967 1.495 0.000
H8 0.500 2.012 -0.897
H9 0.500 2.012 0.897
H10 1.968 -0.764 1.302
H11 1.968 -0.764 -1.302
H12 0.498 -0.230 2.190
H13 0.493 -1.786 1.303
H14 0.498 -0.230 -2.190
H15 0.493 -1.786 -1.303

Atom - Atom Distances (Å)
  C1 S2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.93021.55891.55811.55812.48382.18702.21042.21042.19372.19372.20532.21132.20532.2113
S21.93022.78572.85692.85691.37553.79152.95442.95443.84973.84973.01763.06583.01763.0658
C31.55892.78572.56412.56413.79921.10641.10501.10502.81882.81882.80033.53332.80033.5333
C41.55812.85692.56412.56542.96612.80683.53172.80531.10762.81231.10411.10623.52942.8127
C51.55812.85692.56412.56542.96612.80682.80533.53172.81231.10763.52942.81271.10411.1062
H62.48381.37553.79922.96612.96614.64294.08754.08753.98213.98213.31472.65423.31472.6542
H72.18703.79151.10642.80682.80684.64291.79541.79542.60772.60773.15113.82593.15113.8259
H82.21042.95441.10503.53172.80534.08751.79541.79423.83403.16643.81544.39002.58803.8203
H92.21042.95441.10502.80533.53174.08751.79541.79423.16643.83402.58803.82033.81544.3900
H102.19373.84972.81881.10762.81233.98212.60773.83403.16642.60481.79861.79403.82703.1637
H112.19373.84972.81882.81231.10763.98212.60773.16643.83402.60483.82703.16371.79861.7940
H122.20533.01762.80031.10413.52943.31473.15113.81542.58801.79863.82701.79184.38063.8249
H132.21133.06583.53331.10622.81272.65423.82594.39003.82031.79403.16371.79183.82492.6068
H142.20533.01762.80033.52941.10413.31473.15112.58803.81543.82701.79864.38063.82491.7918
H152.21133.06583.53332.81271.10622.65423.82593.82034.39003.16371.79403.82492.60681.7918

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 95.962 C1 C3 H7 109.093
C1 C3 H8 111.000 C1 C3 H9 111.000
C1 C4 H10 109.605 C1 C4 H12 110.713
C1 C4 H13 111.056 C1 C5 H11 109.605
C1 C5 H14 110.713 C1 C5 H15 111.056
S2 C1 C3 105.462 S2 C1 C4 109.511
S2 C1 C5 109.511 C3 C1 C4 110.694
C3 C1 C5 110.694 C4 C1 C5 110.824
H7 C3 H8 108.564 H7 C3 H9 108.564
H8 C3 H9 108.555 H10 C4 H12 108.821
H10 C4 H13 108.261 H11 C5 H14 108.821
H11 C5 H15 108.261 H12 C4 H13 108.318
H14 C5 H15 108.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability