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

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-628.574829
Energy at 298.15K-628.583639
Nuclear repulsion energy294.074261
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/6-311G*
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 3303 2988 15.95      
2 A 3286 2971 54.13      
3 A 3270 2958 2.40      
4 A 3254 2943 11.62      
5 A 3254 2943 50.78      
6 A 3227 2918 20.78      
7 A 3206 2899 2.35      
8 A 3191 2886 35.69      
9 A 1973 1785 423.05      
10 A 1637 1480 2.07      
11 A 1628 1472 9.32      
12 A 1627 1472 2.34      
13 A 1613 1459 13.10      
14 A 1601 1447 18.21      
15 A 1553 1404 3.16      
16 A 1531 1385 18.25      
17 A 1444 1306 36.16      
18 A 1395 1262 0.06      
19 A 1259 1139 162.79      
20 A 1169 1057 4.25      
21 A 1153 1043 1.19      
22 A 1130 1022 2.21      
23 A 1059 958 5.80      
24 A 1037 938 48.77      
25 A 861 779 4.52      
26 A 754 682 1.26      
27 A 694 628 64.95      
28 A 562 508 6.89      
29 A 497 450 5.01      
30 A 402 363 2.88      
31 A 327 296 0.74      
32 A 267 242 0.12      
33 A 175 158 1.51      
34 A 174 157 0.01      
35 A 76 68 0.41      
36 A 67 61 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26827.5 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 24262.8 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/6-311G*
ABC
0.21572 0.05462 0.04466

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.321 -0.827 0.000
C2 1.405 -0.084 0.000
S3 -0.238 -0.803 -0.000
H4 1.108 1.857 -0.876
H5 2.626 1.637 -0.001
H6 1.109 1.857 0.877
C7 1.569 1.418 0.000
H8 -1.243 1.211 0.877
H9 -1.243 1.211 -0.878
C10 -1.404 0.601 -0.000
H11 -3.018 -0.553 -0.877
H12 -3.536 0.875 0.000
H13 -3.018 -0.553 0.878
C14 -2.828 0.054 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.17922.55923.07372.48303.07312.36764.19844.19873.98975.41806.10005.41775.2242
C21.17921.79362.15112.11032.15091.51083.07583.07632.89194.53415.03414.53374.2358
S32.55921.79363.10783.76273.10852.86282.41612.41611.82532.92613.70102.92612.7284
H43.07372.15113.10781.76641.75341.08333.00332.43852.94234.77874.82735.08994.4174
H52.48302.11033.76271.76641.76641.08023.99023.99064.16146.11756.20956.11735.6794
H63.07312.15093.10851.75341.76641.08332.43923.00572.94375.09144.82864.77914.4185
C72.36761.51082.86281.08331.08021.08332.95232.95303.08285.06865.13365.06824.6032
H84.19843.07582.41613.00333.99022.43922.95231.75581.08113.05652.47852.50212.1498
H94.19873.07632.41612.43853.99063.00572.95301.75581.08112.50212.47853.05652.1498
C103.98972.89191.82532.94234.16142.94373.08281.08111.08112.16922.14982.16921.5253
H115.41804.53412.92614.77876.11755.09145.06863.05652.50212.16921.75431.75511.0836
H126.10005.03413.70104.82736.20954.82865.13362.47852.47852.14981.75431.75431.0845
H135.41774.53372.92615.08996.11734.77915.06822.50213.05652.16921.75511.75431.0836
C145.22424.23582.72844.41745.67944.41854.60322.14982.14981.52531.08361.08451.0836

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 117.323 O1 C2 C7 122.848
C2 S3 C10 106.084 C2 C7 H4 110.969
C2 C7 H5 107.921 C2 C7 H6 110.952
S3 C2 C7 119.829 S3 C10 H8 109.801
S3 C10 H9 109.802 S3 C10 C14 108.705
H4 C7 H5 109.466 H4 C7 H6 108.055
H5 C7 H6 109.463 H8 C10 H9 108.598
H8 C10 C14 109.964 H9 C10 C14 109.964
C10 C14 H11 111.368 C10 C14 H12 109.768
C10 C14 H13 111.368 H11 C14 H12 108.026
H11 C14 H13 108.160 H12 C14 H13 108.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.395 -0.519   -0.507
2 C 0.303 0.708   0.746
3 S 0.104 -0.359   -0.357
4 H 0.242 0.106   0.172
5 H 0.259 0.111   0.180
6 H 0.242 0.106   0.172
7 C -0.718 -0.369   -0.618
8 H 0.241 0.007   0.045
9 H 0.241 0.007   0.045
10 C -0.577 0.164   0.092
11 H 0.228 0.042   0.092
12 H 0.222 -0.000   0.045
13 H 0.228 0.042   0.092
14 C -0.621 -0.046   -0.199


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.636 3.844 0.000 4.661
CHELPG        
AIM        
ESP -2.652 3.801 0.000 4.635


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.723 4.229 0.001
y 4.229 -46.168 0.000
z 0.001 0.000 -44.822
Traceless
 xyz
x -2.228 4.229 0.001
y 4.229 0.105 0.000
z 0.001 0.000 2.124
Polar
3z2-r24.247
x2-y2-1.555
xy4.229
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.892 -0.281 0.000
y -0.281 8.819 0.000
z 0.000 0.000 6.317


<r2> (average value of r2) Å2
<r2> 251.077
(<r2>)1/2 15.845