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

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-627.441653
Energy at 298.15K-627.450245
HF Energy-627.441653
Nuclear repulsion energy292.397170
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 wB97X-D/3-21G*
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 3195 3029 3.33      
2 A 3188 3022 16.35      
3 A 3174 3008 13.33      
4 A 3173 3007 1.82      
5 A 3165 3000 0.48      
6 A 3120 2957 12.43      
7 A 3098 2936 0.23      
8 A 3096 2935 13.46      
9 A 1751 1659 197.90      
10 A 1569 1488 8.15      
11 A 1569 1487 16.42      
12 A 1550 1469 22.64      
13 A 1546 1465 1.65      
14 A 1522 1443 34.77      
15 A 1478 1401 13.94      
16 A 1447 1372 36.68      
17 A 1358 1287 15.48      
18 A 1334 1264 0.16      
19 A 1162 1101 127.67      
20 A 1106 1048 9.28      
21 A 1095 1038 0.00      
22 A 1078 1022 6.08      
23 A 1001 949 5.87      
24 A 945 895 64.42      
25 A 835 791 9.41      
26 A 706 669 0.40      
27 A 627 594 55.17      
28 A 537 509 1.28      
29 A 449 425 4.01      
30 A 381 361 1.19      
31 A 323 306 1.64      
32 A 247 234 0.08      
33 A 191 181 0.31      
34 A 177 168 0.99      
35 A 82 77 0.28      
36 A 68 65 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 25670.4 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 24330.4 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 wB97X-D/3-21G*
ABC
0.21226 0.05458 0.04451

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.381 -0.814 -0.001
C2 1.409 -0.069 0.000
S3 -0.225 -0.812 0.000
H4 1.010 1.865 -0.886
H5 2.552 1.717 -0.001
H6 1.011 1.865 0.887
C7 1.496 1.445 -0.000
H8 -1.242 1.206 0.889
H9 -1.242 1.206 -0.889
C10 -1.400 0.590 -0.000
H11 -3.012 -0.585 -0.888
H12 -3.554 0.852 -0.000
H13 -3.013 -0.585 0.888
C14 -2.833 0.029 -0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22422.60633.13702.53633.13712.42584.24244.24184.03365.47116.16525.47165.2820
C21.22421.79522.16512.12072.16501.51663.07323.07322.88584.53965.04874.53964.2434
S32.60631.79523.07863.75643.07962.83822.42862.42861.82962.93453.72262.93452.7405
H43.13702.16513.07861.78461.77281.09452.94142.34562.86674.70944.75815.03244.3497
H52.53632.12073.75641.78461.78461.09103.93033.92974.11006.08706.16766.08745.6435
H63.13712.16503.07961.77281.78461.09452.34762.94322.86865.03424.76024.71124.3515
C72.42581.51662.83821.09451.09101.09452.88802.88793.01955.02315.08485.02324.5542
H84.24243.07322.42862.94143.93032.34762.88801.77731.09303.08202.50272.51852.1695
H94.24183.07322.42862.34563.92972.94322.88791.77731.09302.51862.50273.08202.1695
C104.03362.88581.82962.86674.11002.86863.01951.09301.09302.18352.17022.18351.5385
H115.47114.53962.93454.70946.08705.03425.02313.08202.51862.18351.77401.77551.0942
H126.16525.04873.72264.75816.16764.76025.08482.50272.50272.17021.77401.77401.0946
H135.47164.53962.93455.03246.08744.71125.02322.51853.08202.18351.77551.77401.0942
C145.28204.24342.74054.34975.64354.35154.55422.16952.16951.53851.09421.09461.0942

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 118.114 O1 C2 C7 124.173
C2 S3 C10 105.521 C2 C7 H4 110.998
C2 C7 H5 107.715 C2 C7 H6 110.992
S3 C2 C7 117.713 S3 C10 H8 109.816
S3 C10 H9 109.816 S3 C10 C14 108.601
H4 C7 H5 109.484 H4 C7 H6 108.157
H5 C7 H6 109.482 H8 C10 H9 108.790
H8 C10 C14 109.905 H9 C10 C14 109.905
C10 C14 H11 110.939 C10 C14 H12 109.868
C10 C14 H13 110.938 H11 C14 H12 108.282
H11 C14 H13 108.446 H12 C14 H13 108.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.449      
2 C 0.240      
3 S 0.250      
4 H 0.243      
5 H 0.264      
6 H 0.243      
7 C -0.711      
8 H 0.243      
9 H 0.243      
10 C -0.628      
11 H 0.234      
12 H 0.228      
13 H 0.234      
14 C -0.633      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.611 3.495 0.000 4.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.421 3.759 0.000
y 3.759 -44.835 -0.000
z 0.000 -0.000 -44.161
Traceless
 xyz
x -1.922 3.759 0.000
y 3.759 0.456 -0.000
z 0.000 -0.000 1.466
Polar
3z2-r22.933
x2-y2-1.586
xy3.759
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.618 -0.180 0.000
y -0.180 8.079 0.000
z 0.000 0.000 5.824


<r2> (average value of r2) Å2
<r2> 250.843
(<r2>)1/2 15.838