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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-38.043629
Energy at 298.15K-38.054195
HF Energy-37.616096
Nuclear repulsion energy106.833387
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/CEP-121G
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' 3082 3008 38.51      
2 A' 3065 2992 52.50      
3 A' 3055 2982 48.83      
4 A' 2961 2890 33.13      
5 A' 2954 2883 43.34      
6 A' 2499 2439 31.25      
7 A' 1533 1496 10.30      
8 A' 1522 1485 10.64      
9 A' 1508 1472 1.15      
10 A' 1464 1429 1.25      
11 A' 1437 1402 15.16      
12 A' 1280 1249 1.78      
13 A' 1219 1189 38.43      
14 A' 1076 1050 1.69      
15 A' 956 933 0.24      
16 A' 835 815 4.98      
17 A' 804 785 3.29      
18 A' 554 540 6.28      
19 A' 381 372 1.85      
20 A' 354 346 0.20      
21 A' 282 275 0.73      
22 A' 270 264 1.01      
23 A" 3081 3007 47.81      
24 A" 3075 3001 0.01      
25 A" 3049 2976 0.92      
26 A" 2950 2879 27.15      
27 A" 1524 1487 8.73      
28 A" 1504 1468 0.79      
29 A" 1496 1460 0.05      
30 A" 1436 1402 13.24      
31 A" 1270 1240 5.00      
32 A" 1064 1038 0.04      
33 A" 981 957 0.01      
34 A" 946 924 0.05      
35 A" 387 377 0.97      
36 A" 290 283 2.06      
37 A" 263 257 0.06      
38 A" 219 214 6.24      
39 A" 164 160 14.88      

Unscaled Zero Point Vibrational Energy (zpe) 28393.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 27712.2 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/CEP-121G
ABC
0.14339 0.09395 0.09298

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.385 -0.004 0.000
S2 -1.556 0.090 0.000
C3 0.860 1.481 0.000
C4 0.860 -0.747 1.286
C5 0.860 -0.747 -1.286
H6 -1.756 -1.287 0.000
H7 1.965 1.508 0.000
H8 0.495 2.011 -0.896
H9 0.495 2.011 0.896
H10 1.966 -0.772 1.310
H11 1.966 -0.772 -1.310
H12 0.494 -0.235 2.190
H13 0.489 -1.787 1.302
H14 0.494 -0.235 -2.190
H15 0.489 -1.787 -1.302

Atom - Atom Distances (Å)
  C1 S2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.94291.55951.55901.55902.49532.18752.20832.20832.19172.19172.20482.20982.20482.2098
S21.94292.78752.86192.86191.39153.79552.94942.94943.85493.85493.01703.06563.01703.0656
C31.55952.78752.57232.57233.80821.10521.10291.10292.83052.83052.80613.53702.80613.5370
C41.55902.86192.57232.57162.96422.82143.53542.80931.10642.82131.10201.10413.53252.8136
C51.55902.86192.57232.57162.96422.82142.80933.53542.82131.10643.53252.81361.10201.1041
H62.49531.39153.80822.96422.96424.65364.09224.09223.97883.97883.31102.64243.31102.6424
H72.18753.79551.10522.82142.82144.65361.79301.79302.62932.62933.16213.83823.16213.8382
H82.20832.94941.10293.53542.80934.09221.79301.79143.84313.17453.81654.38792.59213.8195
H92.20832.94941.10292.80933.53544.09221.79301.79143.17453.84312.59213.81953.81654.3879
H102.19173.85492.83051.10642.82133.97882.62933.84313.17452.61921.79751.79243.83453.1676
H112.19173.85492.83052.82131.10643.97882.62933.17453.84312.61923.83453.16761.79751.7924
H122.20483.01702.80611.10203.53253.31103.16213.81652.59211.79753.83451.78804.38013.8216
H132.20983.06563.53701.10412.81362.64243.83824.38793.81951.79243.16761.78803.82162.6043
H142.20483.01702.80613.53251.10203.31103.16212.59213.81653.83451.79754.38013.82161.7880
H152.20983.06563.53702.81361.10412.64243.83823.81954.38793.16761.79243.82162.60431.7880

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 95.469 C1 C3 H7 109.166
C1 C3 H8 110.922 C1 C3 H9 110.922
C1 C4 H10 109.452 C1 C4 H12 110.731
C1 C4 H13 110.991 C1 C5 H11 109.452
C1 C5 H14 110.731 C1 C5 H15 110.991
S2 C1 C3 104.953 S2 C1 C4 109.127
S2 C1 C5 109.127 C3 C1 C4 111.148
C3 C1 C5 111.148 C4 C1 C5 111.123
H7 C3 H8 108.581 H7 C3 H9 108.581
H8 C3 H9 108.608 H10 C4 H12 108.967
H10 C4 H13 108.357 H11 C5 H14 108.967
H11 C5 H15 108.357 H12 C4 H13 108.284
H14 C5 H15 108.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability