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All results from a given calculation for C4H8OS (s-Ethyl thioacetate)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-630.201287
Energy at 298.15K-630.209506
Nuclear repulsion energy291.113484
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 PBEPBE/6-31G(2df,p)
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 3097 3065 5.86      
2 A 3074 3042 16.77      
3 A 3062 3031 14.54      
4 A 3060 3029 3.88      
5 A 3042 3011 2.23      
6 A 2991 2960 16.96      
7 A 2984 2953 1.43      
8 A 2983 2953 19.93      
9 A 1742 1724 257.32      
10 A 1452 1437 2.53      
11 A 1442 1427 8.28      
12 A 1427 1412 0.34      
13 A 1421 1407 11.62      
14 A 1406 1392 17.11      
15 A 1358 1344 2.19      
16 A 1319 1306 18.65      
17 A 1241 1228 23.87      
18 A 1227 1214 0.04      
19 A 1103 1092 154.53      
20 A 1044 1033 6.40      
21 A 1004 994 0.00      
22 A 980 970 1.98      
23 A 970 960 3.85      
24 A 912 903 45.09      
25 A 764 756 4.73      
26 A 676 669 0.16      
27 A 617 610 61.04      
28 A 498 493 1.04      
29 A 421 417 2.60      
30 A 358 355 1.21      
31 A 290 287 1.28      
32 A 246 243 0.10      
33 A 151 149 0.71      
34 A 142 140 0.21      
35 A 95 94 0.20      
36 A 54 54 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24326.3 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 24075.7 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 PBEPBE/6-31G(2df,p)
ABC
0.21248 0.05367 0.04392

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.372 -0.832 0.000
C2 1.423 -0.075 -0.000
S3 -0.233 -0.803 -0.000
H4 1.053 1.870 -0.888
H5 2.607 1.700 -0.001
H6 1.053 1.870 0.888
C7 1.541 1.437 -0.000
H8 -1.251 1.217 0.893
H9 -1.252 1.217 -0.894
C10 -1.423 0.597 -0.000
H11 -3.030 -0.587 -0.891
H12 -3.577 0.858 0.000
H13 -3.030 -0.587 0.891
C14 -2.846 0.033 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21432.60513.13572.54283.13542.41614.25774.25804.05555.48076.18445.48055.2895
C21.21431.80882.17002.13362.16991.51583.10163.10172.92444.57005.08604.56994.2704
S32.60511.80883.09633.78563.09662.85672.43282.43281.83762.94363.73392.94362.7439
H43.13572.17003.09631.79831.77561.10202.98452.39482.92244.76514.82125.08624.4003
H52.54282.13363.78561.79831.79831.09873.99023.99024.17896.14846.24126.14845.7024
H63.13542.16993.09661.77561.79831.10202.39512.98512.92285.08674.82174.76544.4007
C72.41611.51582.85671.10201.09871.10202.93972.93983.08075.07735.15015.07734.6058
H84.25773.10162.43282.98453.99022.39512.93971.78701.10143.09902.51692.53362.1780
H94.25803.10172.43282.39483.99022.98512.93981.78701.10142.53362.51693.09902.1780
C104.05552.92441.83762.92244.17892.92283.08071.10141.10142.18552.16932.18551.5303
H115.48074.57002.94364.76516.14845.08675.07733.09902.53362.18551.78371.78231.1012
H126.18445.08603.73394.82126.24124.82175.15012.51692.51692.16931.78371.78371.1020
H135.48054.56992.94365.08626.14844.76545.07732.53363.09902.18551.78231.78371.1012
C145.28954.27042.74394.40035.70244.40074.60582.17802.17801.53031.10121.10201.1012

picture of s-Ethyl thioacetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 S3 117.677 O1 C2 C7 124.125
C2 S3 C10 106.641 C2 C7 H4 110.988
C2 C7 H5 108.327 C2 C7 H6 110.982
S3 C2 C7 118.198 S3 C10 H8 109.157
S3 C10 H9 109.156 S3 C10 C14 108.778
H4 C7 H5 109.599 H4 C7 H6 107.339
H5 C7 H6 109.596 H8 C10 H9 108.427
H8 C10 C14 110.648 H9 C10 C14 110.647
C10 C14 H11 111.259 C10 C14 H12 109.931
C10 C14 H13 111.259 H11 C14 H12 108.116
H11 C14 H13 108.043 H12 C14 H13 108.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.266      
2 C 0.319      
3 S -0.104      
4 H 0.158      
5 H 0.160      
6 H 0.158      
7 C -0.505      
8 H 0.143      
9 H 0.143      
10 C -0.225      
11 H 0.153      
12 H 0.136      
13 H 0.153      
14 C -0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.441 3.266 -0.000 4.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.446 3.472 -0.001
y 3.472 -44.305 0.000
z -0.001 0.000 -43.653
Traceless
 xyz
x -1.467 3.472 -0.001
y 3.472 0.245 0.000
z -0.001 0.000 1.222
Polar
3z2-r22.444
x2-y2-1.141
xy3.472
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.812 0.077 0.000
y 0.077 9.511 -0.000
z 0.000 -0.000 7.112


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000