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: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-556.608669
Energy at 298.15K-556.619450
HF Energy-556.608669
Nuclear repulsion energy244.782324
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 mPW1PW91/6-31G*
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' 3169 3005 23.80      
2 A' 3153 2990 23.97      
3 A' 3141 2979 42.90      
4 A' 3076 2917 20.64      
5 A' 3067 2908 33.53      
6 A' 2727 2586 22.93      
7 A' 1546 1466 8.48      
8 A' 1532 1453 9.61      
9 A' 1517 1438 0.61      
10 A' 1458 1383 1.31      
11 A' 1429 1355 12.08      
12 A' 1283 1216 0.54      
13 A' 1218 1155 46.69      
14 A' 1075 1020 2.38      
15 A' 959 910 0.98      
16 A' 895 849 5.17      
17 A' 845 802 1.52      
18 A' 601 570 5.53      
19 A' 390 370 1.13      
20 A' 367 348 0.40      
21 A' 297 281 0.29      
22 A' 281 267 0.86      
23 A" 3168 3004 23.53      
24 A" 3163 3000 5.96      
25 A" 3136 2974 0.73      
26 A" 3063 2905 17.78      
27 A" 1534 1455 8.20      
28 A" 1513 1435 0.52      
29 A" 1506 1428 0.01      
30 A" 1430 1356 10.91      
31 A" 1269 1204 4.29      
32 A" 1064 1009 0.11      
33 A" 979 929 0.01      
34 A" 952 903 0.56      
35 A" 399 378 0.57      
36 A" 303 287 4.17      
37 A" 284 269 0.00      
38 A" 259 245 9.80      
39 A" 215 204 8.98      

Unscaled Zero Point Vibrational Energy (zpe) 29131.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 27625.0 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 mPW1PW91/6-31G*
ABC
0.14984 0.09975 0.09888

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.348 -0.010 0.000
S2 -1.499 0.094 0.000
C3 0.832 1.441 0.000
C4 0.832 -0.731 1.257
C5 0.832 -0.731 -1.257
H6 -1.731 -1.232 0.000
H7 1.927 1.463 0.000
H8 0.482 1.976 -0.887
H9 0.482 1.976 0.887
H10 1.928 -0.755 1.278
H11 1.928 -0.755 -1.278
H12 0.480 -0.227 2.160
H13 0.476 -1.766 1.284
H14 0.480 -0.227 -2.160
H15 0.476 -1.766 -1.284

Atom - Atom Distances (Å)
  C1 S2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.85091.52931.52751.52752.41192.15872.17992.17992.16392.16392.17482.17892.17482.1789
S21.85092.69212.77422.77421.34643.68932.87322.87323.75523.75522.94723.00192.94723.0019
C31.52932.69212.50952.50953.70291.09521.09391.09392.76712.76712.75153.47262.75153.4726
C41.52752.77422.50952.51362.89812.75543.47162.75541.09672.76141.09281.09463.47172.7661
C51.52752.77422.50952.51362.89812.75542.75543.47162.76141.09673.47172.76611.09281.0946
H62.41191.34643.70292.89812.89814.54323.99743.99743.90503.90503.25012.60853.25012.6085
H72.15873.68931.09522.75542.75544.54321.77161.77162.55972.55973.10073.76543.10073.7654
H82.17992.87321.09393.47162.75543.99741.77161.77443.77373.11563.76044.32672.54483.7637
H92.17992.87321.09392.75543.47163.99741.77161.77443.11563.77372.54483.76373.76044.3267
H102.16393.75522.76711.09672.76143.90502.55973.77373.11562.55521.77631.76933.76753.1130
H112.16393.75522.76712.76141.09673.90502.55973.11563.77372.55523.76753.11301.77631.7693
H122.17482.94722.75151.09283.47173.25013.10073.76042.54481.77633.76751.77114.32003.7720
H132.17893.00193.47261.09462.76612.60853.76544.32673.76371.76933.11301.77113.77202.5674
H142.17482.94722.75153.47171.09283.25013.10072.54483.76043.76751.77634.32003.77201.7711
H152.17893.00193.47262.76611.09462.60853.76543.76374.32673.11301.76933.77202.56741.7711

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 96.671 C1 C3 H7 109.570
C1 C3 H8 111.325 C1 C3 H9 111.325
C1 C4 H10 110.012 C1 C4 H12 111.110
C1 C4 H13 111.327 C1 C5 H11 110.012
C1 C5 H14 111.110 C1 C5 H15 111.327
S2 C1 C3 105.185 S2 C1 C4 110.035
S2 C1 C5 110.035 C3 C1 C4 110.363
C3 C1 C5 110.363 C4 C1 C5 110.725
H7 C3 H8 108.057 H7 C3 H9 108.057
H8 C3 H9 108.394 H10 C4 H12 108.449
H10 C4 H13 107.692 H11 C5 H14 108.449
H11 C5 H15 107.692 H12 C4 H13 108.135
H14 C5 H15 108.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.137      
2 S -0.086      
3 C -0.515      
4 C -0.492      
5 C -0.492      
6 H 0.100      
7 H 0.178      
8 H 0.189      
9 H 0.189      
10 H 0.171      
11 H 0.171      
12 H 0.190      
13 H 0.171      
14 H 0.190      
15 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.659 -0.872 0.000 1.874
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.945 2.384 0.000
y 2.384 -38.648 0.000
z 0.000 0.000 -41.569
Traceless
 xyz
x -1.836 2.384 0.000
y 2.384 3.109 0.000
z 0.000 0.000 -1.272
Polar
3z2-r2-2.545
x2-y2-3.297
xy2.384
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.850 0.124 0.000
y 0.124 8.437 0.000
z 0.000 0.000 7.797


<r2> (average value of r2) Å2
<r2> 164.501
(<r2>)1/2 12.826