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 CH2(SH)CH(CH3)CH3 (1-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 C1 1A
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-37.708535
Energy at 298.15K-37.719498
Nuclear repulsion energy105.814614
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 3313 2975 70.51      
2 A 3295 2959 57.37      
3 A 3282 2947 149.61      
4 A 3276 2942 54.99      
5 A 3270 2937 5.83      
6 A 3253 2921 51.00      
7 A 3235 2905 6.63      
8 A 3214 2886 44.26      
9 A 3206 2879 47.37      
10 A 2896 2600 25.87      
11 A 1638 1471 9.99      
12 A 1633 1466 4.44      
13 A 1626 1460 3.09      
14 A 1618 1453 1.16      
15 A 1612 1447 3.33      
16 A 1560 1401 4.54      
17 A 1549 1391 1.62      
18 A 1506 1353 7.03      
19 A 1479 1329 2.82      
20 A 1404 1261 38.36      
21 A 1343 1206 5.30      
22 A 1291 1159 7.11      
23 A 1238 1112 3.50      
24 A 1179 1059 3.27      
25 A 1052 945 0.80      
26 A 1041 934 0.21      
27 A 1003 901 1.08      
28 A 989 888 4.00      
29 A 942 846 1.73      
30 A 862 774 3.60      
31 A 779 700 3.39      
32 A 450 404 0.18      
33 A 414 372 1.50      
34 A 359 322 0.27      
35 A 269 242 0.12      
36 A 242 217 0.27      
37 A 220 198 1.88      
38 A 183 164 20.73      
39 A 85 76 11.25      

Unscaled Zero Point Vibrational Energy (zpe) 30902.1 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 27750.1 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
0.24382 0.07008 0.05865

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.728 1.452 0.151
H2 -0.120 2.093 -0.087
H3 0.869 1.471 1.235
H4 1.617 1.888 -0.309
S5 -2.277 0.156 -0.244
H6 -3.124 -0.695 0.345
C7 1.767 -0.849 -0.040
H8 1.659 -1.865 -0.427
H9 2.657 -0.411 -0.496
H10 1.943 -0.915 1.036
C11 -0.716 -0.661 0.291
H12 -0.766 -1.704 -0.011
H13 -0.648 -0.618 1.377
C14 0.521 0.007 -0.346
H15 0.376 0.026 -1.428

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.08991.09331.09193.29634.41382.53193.49272.75842.80332.56283.49552.77151.54202.1562
H21.08991.76491.76342.90284.12053.49584.35243.76163.81632.84263.85243.12622.19752.5128
H31.09331.76491.76613.71664.62852.79573.80943.11992.62342.81903.78232.58552.18273.0693
H41.09191.76341.76614.26215.43792.75403.75442.52963.12583.50704.32073.77542.17722.5013
S53.29632.90283.71664.26211.33704.17264.42844.97324.53791.84112.40842.42522.80372.9080
H64.41384.12054.62855.43791.33704.90864.98375.84865.11792.40812.58942.68343.77513.9885
C72.53193.49582.79572.75404.17264.90861.09201.09151.09302.51292.67382.81011.54282.1509
H83.49274.35243.80943.75444.42844.98371.09201.76501.76762.75822.46543.18282.19202.4945
H92.75843.76163.11992.52964.97325.84861.09151.76501.76423.47323.69133.80462.18212.5028
H102.80333.81632.62343.12584.53795.11791.09301.76761.76422.77303.00932.62962.18683.0678
C112.56282.84262.81903.50701.84112.40812.51292.75823.47322.77301.08771.08881.54342.1492
H123.49553.85243.78234.32072.40842.58942.67382.46543.69133.00931.08771.76642.16692.5109
H132.77153.12622.58553.77542.42522.68342.81013.18283.80462.62961.08881.76642.17393.0545
C141.54202.19752.18272.17722.80373.77511.54282.19202.18212.18681.54342.16692.17391.0915
H152.15622.51283.06932.50132.90803.98852.15092.49452.50283.06782.14922.51093.05451.0915

picture of 1-Propanethiol, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C14 C7 110.323 C1 C14 C11 112.326
C1 C14 H15 108.718 H2 C1 H3 107.885
H2 C1 H4 107.852 H2 C1 C14 112.082
H3 C1 H4 107.845 H3 C1 C14 110.689
H4 C1 C14 110.335 S5 C11 H12 107.848
S5 C11 H13 109.014 S5 C11 C14 111.566
H6 S5 C11 97.255 C7 C14 C11 109.024
C7 C14 H15 108.259 H8 C7 H9 107.870
H8 C7 H10 107.982 H8 C7 C14 111.446
H9 C7 H10 107.725 H9 C7 C14 110.692
H10 C7 C14 110.976 C11 C14 H15 108.082
H12 C11 H13 108.499 H12 C11 C14 109.676
H13 C11 C14 110.158
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 -0.388      
2 H 0.146      
3 H 0.094      
4 H 0.118      
5 S -0.179      
6 H 0.103      
7 C -0.374      
8 H 0.120      
9 H 0.136      
10 H 0.091      
11 C -0.318      
12 H 0.143      
13 H 0.126      
14 C 0.077      
15 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.042 -1.278 0.786 1.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.068 3.303 -2.492
y 3.303 -40.289 -1.025
z -2.492 -1.025 -40.918
Traceless
 xyz
x -0.464 3.303 -2.492
y 3.303 0.703 -1.025
z -2.492 -1.025 -0.239
Polar
3z2-r2-0.479
x2-y2-0.778
xy3.303
xz-2.492
yz-1.025


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.334 -0.431 0.241
y -0.431 7.821 -0.432
z 0.241 -0.432 6.717


<r2> (average value of r2) Å2
<r2> 142.220
(<r2>)1/2 11.926