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

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

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/6-31+G**
 hartrees
Energy at 0K-630.199822
Energy at 298.15K-630.208041
Nuclear repulsion energy290.379607
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/6-31+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 3103 3068 5.06      
2 A 3077 3042 19.79      
3 A 3064 3029 16.53      
4 A 3063 3028 4.43      
5 A 3049 3014 1.46      
6 A 2996 2962 17.99      
7 A 2988 2954 2.24      
8 A 2986 2952 25.16      
9 A 1713 1693 333.89      
10 A 1459 1443 5.12      
11 A 1451 1434 13.05      
12 A 1437 1421 0.56      
13 A 1428 1412 17.59      
14 A 1414 1398 24.37      
15 A 1370 1354 6.86      
16 A 1331 1316 23.56      
17 A 1257 1243 25.39      
18 A 1230 1216 0.00      
19 A 1109 1096 156.58      
20 A 1047 1035 7.34      
21 A 1015 1004 0.00      
22 A 982 971 0.96      
23 A 972 961 5.27      
24 A 917 907 43.79      
25 A 773 764 5.12      
26 A 670 662 0.24      
27 A 622 615 61.78      
28 A 496 491 0.76      
29 A 428 423 3.06      
30 A 366 362 1.64      
31 A 294 290 1.15      
32 A 254 251 0.03      
33 A 153 151 1.07      
34 A 125 124 0.08      
35 A 91 90 0.50      
36 A 53 52 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 24391.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 24113.7 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/6-31+G**
ABC
0.21126 0.05343 0.04371

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.380 -0.829 0.000
C2 1.419 -0.072 -0.000
S3 -0.232 -0.810 0.000
H4 1.061 1.877 -0.889
H5 2.614 1.696 -0.001
H6 1.062 1.877 0.889
C7 1.545 1.439 -0.000
H8 -1.258 1.219 0.894
H9 -1.258 1.218 -0.895
C10 -1.427 0.597 -0.000
H11 -3.041 -0.582 -0.892
H12 -3.579 0.866 0.000
H13 -3.041 -0.581 0.893
C14 -2.852 0.037 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22372.61253.13882.53593.13842.41714.26984.26994.06565.50006.19565.50005.3034
C21.22371.80932.17122.13342.17121.51603.10383.10392.92384.57755.08544.57744.2727
S32.61251.80933.11203.79263.11242.86722.44342.44331.84642.95633.74322.95632.7535
H43.13882.17123.11201.79811.77851.10282.99912.41132.93594.78284.83145.10364.4147
H52.53592.13343.79261.79811.79811.09914.00304.00304.18796.16166.24836.16165.7123
H63.13842.17123.11241.77851.79811.10282.41193.00032.93675.10444.83234.78324.4155
C72.41711.51602.86721.10281.09911.10282.95112.95143.08945.09095.15625.09084.6156
H84.26983.10382.44342.99914.00302.41192.95111.78941.10233.10032.51192.53352.1764
H94.26993.10392.44332.41134.00303.00032.95141.78941.10232.53352.51193.10032.1764
C104.06562.92381.84642.93594.18792.93673.08941.10231.10232.18882.16862.18881.5311
H115.50004.57752.95634.78286.16165.10445.09093.10032.53352.18881.78351.78441.1019
H126.19565.08543.74324.83146.24834.83235.15622.51192.51192.16861.78351.78351.1028
H135.50004.57742.95635.10366.16164.78325.09082.53353.10032.18881.78441.78351.1019
C145.30344.27272.75354.41475.71234.41554.61562.17642.17641.53111.10191.10281.1019

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 117.638 O1 C2 C7 123.483
C2 S3 C10 106.219 C2 C7 H4 111.033
C2 C7 H5 108.282 C2 C7 H6 111.027
S3 C2 C7 118.879 S3 C10 H8 109.309
S3 C10 H9 109.309 S3 C10 C14 108.864
H4 C7 H5 109.501 H4 C7 H6 107.487
H5 C7 H6 109.497 H8 C10 H9 108.521
H8 C10 C14 110.410 H9 C10 C14 110.409
C10 C14 H11 111.419 C10 C14 H12 109.770
C10 C14 H13 111.419 H11 C14 H12 107.985
H11 C14 H13 108.133 H12 C14 H13 107.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.319      
2 C 0.129      
3 S 0.205      
4 H 0.191      
5 H 0.208      
6 H 0.191      
7 C -0.548      
8 H 0.204      
9 H 0.204      
10 C -0.255      
11 H 0.192      
12 H 0.182      
13 H 0.192      
14 C -0.777      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.874 3.541 -0.000 4.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.877 4.148 -0.000
y 4.148 -45.609 0.000
z -0.000 0.000 -44.844
Traceless
 xyz
x -2.651 4.148 -0.000
y 4.148 0.752 0.000
z -0.000 0.000 1.899
Polar
3z2-r23.798
x2-y2-2.269
xy4.148
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.997 -0.010 -0.000
y -0.010 10.557 -0.000
z -0.000 -0.000 7.975


<r2> (average value of r2) Å2
<r2> 255.692
(<r2>)1/2 15.990