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 CH3SCH2CH3 (Ethane, (methylthio)-)

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-515.784523
Energy at 298.15K-515.793111
Nuclear repulsion energy169.330858
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/6-31+G**
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' 3291 2976 13.49      
2 A' 3252 2940 41.53      
3 A' 3199 2893 32.98      
4 A' 3194 2888 39.30      
5 A' 3185 2880 40.05      
6 A' 1624 1469 1.81      
7 A' 1616 1461 1.37      
8 A' 1607 1453 11.31      
9 A' 1545 1397 2.60      
10 A' 1499 1355 5.26      
11 A' 1434 1296 36.55      
12 A' 1183 1070 3.63      
13 A' 1064 962 0.40      
14 A' 1059 957 5.86      
15 A' 797 720 2.09      
16 A' 740 669 1.78      
17 A' 374 338 1.28      
18 A' 215 195 0.61      
19 A" 3274 2960 11.10      
20 A" 3266 2953 56.91      
21 A" 3239 2928 3.00      
22 A" 1616 1461 8.00      
23 A" 1594 1441 8.28      
24 A" 1376 1244 0.04      
25 A" 1146 1036 0.06      
26 A" 1064 962 1.28      
27 A" 851 770 2.13      
28 A" 259 234 0.17      
29 A" 188 170 0.37      
30 A" 87 79 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 24417.3 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 22078.1 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/6-31+G**
ABC
0.54434 0.10467 0.09230

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.710 -1.348 0.000
H2 1.835 -2.426 0.000
H3 2.208 -0.951 0.879
H4 2.208 -0.951 -0.879
C5 0.226 -0.995 0.000
H6 -0.258 -1.409 -0.878
H7 -0.258 -1.409 0.878
S8 0.000 0.808 0.000
C9 -1.806 0.905 0.000
H10 -2.222 0.440 -0.885
H11 -2.222 0.440 0.885
H12 -2.074 1.954 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 S8 C9 H10 H11 H12
C11.08561.08481.08481.52542.15612.15612.75214.17644.40974.40975.0226
H21.08561.75701.75702.15312.48702.48703.71864.93515.04555.04555.8709
H31.08481.75701.75772.16773.06172.50772.95664.50874.96704.64315.2487
H41.08481.75701.75772.16772.50773.06172.95664.50874.64314.96705.2487
C51.52542.15312.16772.16771.08471.08471.81702.78232.97282.97283.7401
H62.15612.48703.06172.50771.08471.75532.39832.91922.69733.22243.9214
H72.15612.48702.50773.06171.08471.75532.39832.91923.22242.69733.9214
S82.75213.71862.95662.95661.81702.39832.39831.80862.42032.42032.3698
C94.17644.93514.50874.50872.78232.91922.91921.80861.08341.08341.0824
H104.40975.04554.96704.64312.97282.69733.22242.42031.08341.77071.7602
H114.40975.04554.64314.96702.97283.22242.69732.42031.08341.77071.7602
H125.02265.87095.24875.24873.74013.92143.92142.36981.08241.76021.7602

picture of Ethane, (methylthio)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.250 C1 C5 H7 110.250
C1 C5 S8 110.551 H2 C1 H3 108.100
H2 C1 H4 108.100 H2 C1 C5 109.963
H3 C1 H4 108.218 H3 C1 C5 111.175
H4 C1 C5 111.175 C5 S8 C9 100.241
H6 C5 H7 108.022 H6 C5 S8 108.853
H7 C5 S8 108.853 S8 C9 H10 111.131
S8 C9 H11 111.131 S8 C9 H12 107.434
H10 C9 H11 109.612 H10 C9 H12 108.724
H11 C9 H12 108.724
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.504 -0.117   -0.177
2 H 0.136 0.016   0.039
3 H 0.143 0.055   0.079
4 H 0.143 0.055   0.079
5 C -0.173 0.090   -0.016
6 H 0.146 0.048   0.087
7 H 0.146 0.048   0.087
8 S -0.100 -0.331   -0.275
9 C -0.397 -0.047   -0.292
10 H 0.149 0.040   0.110
11 H 0.149 0.040   0.110
12 H 0.159 0.104   0.169


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.151 -1.474 0.000 1.870
CHELPG        
AIM        
ESP -1.166 -1.418 0.000 1.836


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.528 -1.039 0.000
y -1.039 8.141 0.000
z 0.000 0.000 6.660


<r2> (average value of r2) Å2
<r2> 138.820
(<r2>)1/2 11.782