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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-630.176857
Energy at 298.15K-630.185076
Nuclear repulsion energy290.232637
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 PBEPBEultrafine/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 3106 3055 5.96      
2 A 3082 3031 20.74      
3 A 3069 3019 17.39      
4 A 3065 3015 5.14      
5 A 3049 2998 3.72      
6 A 2999 2949 20.01      
7 A 2995 2945 21.60      
8 A 2994 2944 1.26      
9 A 1748 1719 262.57      
10 A 1485 1460 3.63      
11 A 1475 1451 9.98      
12 A 1462 1437 0.74      
13 A 1454 1430 14.35      
14 A 1440 1416 20.50      
15 A 1391 1368 4.46      
16 A 1352 1330 21.31      
17 A 1266 1245 26.65      
18 A 1245 1224 0.06      
19 A 1117 1098 153.56      
20 A 1057 1039 7.93      
21 A 1024 1007 0.06      
22 A 997 980 2.72      
23 A 979 963 4.56      
24 A 925 910 47.26      
25 A 778 765 6.45      
26 A 673 661 0.13      
27 A 620 609 61.10      
28 A 496 488 1.19      
29 A 424 417 2.97      
30 A 362 356 1.29      
31 A 292 287 1.23      
32 A 252 248 0.07      
33 A 151 148 0.90      
34 A 142 140 0.25      
35 A 89 88 0.25      
36 A 55 54 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24553.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 24147.9 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 PBEPBEultrafine/6-31G*
ABC
0.21116 0.05335 0.04365

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.381 -0.831 0.000
C2 1.426 -0.073 -0.000
S3 -0.234 -0.809 0.000
H4 1.061 1.877 -0.890
H5 2.615 1.699 -0.001
H6 1.062 1.877 0.890
C7 1.546 1.440 -0.000
H8 -1.261 1.222 0.894
H9 -1.261 1.222 -0.894
C10 -1.429 0.598 -0.000
H11 -3.039 -0.584 -0.892
H12 -3.582 0.863 0.000
H13 -3.039 -0.584 0.893
C14 -2.852 0.036 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21962.61563.14182.54133.14152.41964.27554.27564.06935.49856.19935.49845.3048
C21.21961.81612.17452.13422.17441.51753.11383.11392.93264.58175.09474.58164.2797
S32.61561.81613.11233.79613.11262.86822.44492.44491.84552.95163.74212.95162.7508
H43.14182.17453.11231.79921.77951.10373.00072.41332.93764.78254.83535.10364.4161
H52.54132.13423.79611.79921.79921.10004.00664.00664.19136.16276.25336.16265.7151
H63.14152.17443.11261.77951.79921.10372.41363.00172.93825.10424.83594.78274.4166
C72.41961.51752.86821.10371.10001.10372.95422.95453.09195.09085.16065.09074.6174
H84.27553.11382.44493.00074.00662.41362.95421.78841.10313.10082.51302.53422.1770
H94.27563.11392.44492.41334.00663.00172.95451.78841.10312.53422.51293.10082.1770
C104.06932.93261.84552.93764.19132.93823.09191.10311.10312.18782.16942.18781.5306
H115.49854.58172.95164.78256.16275.10425.09083.10082.53422.18781.78541.78511.1025
H126.19935.09473.74214.83536.25334.83595.16062.51302.51292.16941.78541.78541.1035
H135.49844.58162.95165.10366.16264.78275.09072.53423.10082.18781.78511.78541.1025
C145.30484.27972.75084.41615.71514.41664.61742.17702.17701.53061.10251.10351.1025

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 117.647 O1 C2 C7 123.900
C2 S3 C10 106.428 C2 C7 H4 111.134
C2 C7 H5 108.189 C2 C7 H6 111.128
S3 C2 C7 118.453 S3 C10 H8 109.428
S3 C10 H9 109.428 S3 C10 C14 108.772
H4 C7 H5 109.465 H4 C7 H6 107.446
H5 C7 H6 109.463 H8 C10 H9 108.308
H8 C10 C14 110.444 H9 C10 C14 110.444
C10 C14 H11 111.334 C10 C14 H12 109.828
C10 C14 H13 111.334 H11 C14 H12 108.058
H11 C14 H13 108.108 H12 C14 H13 108.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.378      
2 C 0.240      
3 S 0.139      
4 H 0.191      
5 H 0.203      
6 H 0.191      
7 C -0.558      
8 H 0.192      
9 H 0.192      
10 C -0.459      
11 H 0.186      
12 H 0.173      
13 H 0.186      
14 C -0.495      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.464 3.385 -0.000 4.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.718 3.544 -0.001
y 3.544 -44.468 0.000
z -0.001 0.000 -43.895
Traceless
 xyz
x -1.536 3.544 -0.001
y 3.544 0.338 0.000
z -0.001 0.000 1.198
Polar
3z2-r22.396
x2-y2-1.250
xy3.544
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.338 -0.023 -0.000
y -0.023 9.045 -0.000
z -0.000 -0.000 6.572


<r2> (average value of r2) Å2
<r2> 255.082
(<r2>)1/2 15.971