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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-627.295926
Energy at 298.15K-627.303971
Nuclear repulsion energy282.310711
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 BLYP/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 3080 3063 25.84      
2 A 3075 3058 9.70      
3 A 3050 3033 1.79      
4 A 3047 3030 4.47      
5 A 3041 3024 20.94      
6 A 3013 2996 11.41      
7 A 2989 2972 0.97      
8 A 2979 2963 20.82      
9 A 1702 1693 221.49      
10 A 1533 1525 4.44      
11 A 1524 1515 9.35      
12 A 1507 1498 16.06      
13 A 1496 1487 0.05      
14 A 1482 1474 25.61      
15 A 1427 1419 5.92      
16 A 1393 1386 23.71      
17 A 1273 1266 0.15      
18 A 1270 1263 35.97      
19 A 1089 1083 99.25      
20 A 1054 1048 4.80      
21 A 1038 1033 4.23      
22 A 1023 1017 0.57      
23 A 946 941 8.40      
24 A 885 880 96.21      
25 A 785 781 7.19      
26 A 600 597 0.65      
27 A 537 534 84.17      
28 A 491 488 0.60      
29 A 387 385 8.01      
30 A 328 327 0.21      
31 A 276 274 3.57      
32 A 244 242 0.03      
33 A 151 151 0.57      
34 A 138 137 0.70      
35 A 83 82 0.07      
36 A 54 54 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24494.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 24359.3 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 BLYP/3-21G
ABC
0.20244 0.04984 0.04094

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.497 -0.807 -0.000
C2 1.528 -0.054 -0.000
S3 -0.247 -0.852 0.000
H4 1.026 1.858 -0.891
H5 2.590 1.814 -0.000
H6 1.027 1.858 0.893
C7 1.545 1.471 0.000
H8 -1.323 1.229 0.900
H9 -1.323 1.228 -0.902
C10 -1.504 0.626 -0.000
H11 -3.094 -0.591 -0.894
H12 -3.672 0.848 0.000
H13 -3.093 -0.591 0.895
C14 -2.931 0.030 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22802.74433.17282.62273.17252.46934.42164.42164.25075.66656.38735.66625.4922
C21.22801.94542.16872.14832.16861.52473.25283.25313.10744.73815.27714.73764.4592
S32.74431.94543.12373.89213.12402.93312.50942.50941.94062.99603.82362.99562.8250
H43.17282.16873.12371.80071.78401.10223.02002.43172.95174.79294.88695.11444.4487
H52.62272.14833.89211.80071.80071.09974.05704.05764.26276.23606.33566.23555.8015
H63.17252.16863.12401.78401.80071.10222.43193.02252.95295.11574.88784.79284.4495
C72.46931.52472.93311.10221.09971.10223.01513.01603.16395.15475.25375.15414.7017
H84.42163.25282.50943.02004.05702.43193.01511.80181.09883.10992.54442.53932.1987
H94.42163.25312.50942.43174.05763.02253.01601.80181.09882.53912.54463.10992.1987
C104.25073.10741.94062.95174.26272.95293.16391.09881.09882.19292.17882.19291.5461
H115.66654.73812.99604.79296.23605.11575.15473.10992.53912.19291.79021.78931.1011
H126.38735.27713.82364.88696.33564.88785.25372.54442.54462.17881.79021.79021.1039
H135.66624.73762.99565.11446.23554.79285.15412.53933.10992.19291.78931.79021.1011
C145.49224.45922.82504.44875.80154.44954.70172.19872.19871.54611.10111.10391.1011

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 117.935 O1 C2 C7 127.213
C2 S3 C10 106.187 C2 C7 H4 110.256
C2 C7 H5 108.806 C2 C7 H6 110.252
S3 C2 C7 114.852 S3 C10 H8 108.084
S3 C10 H9 108.083 S3 C10 C14 107.700
H4 C7 H5 109.732 H4 C7 H6 108.054
H5 C7 H6 109.731 H8 C10 H9 110.148
H8 C10 C14 111.340 H9 C10 C14 111.342
C10 C14 H11 110.745 C10 C14 H12 109.476
C10 C14 H13 110.744 H11 C14 H12 108.562
H11 C14 H13 108.693 H12 C14 H13 108.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.373      
2 C 0.181      
3 S 0.216      
4 H 0.219      
5 H 0.223      
6 H 0.219      
7 C -0.599      
8 H 0.212      
9 H 0.212      
10 C -0.581      
11 H 0.202      
12 H 0.190      
13 H 0.202      
14 C -0.524      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.836 3.636 0.000 4.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.278 3.286 0.002
y 3.286 -45.280 -0.000
z 0.002 -0.000 -44.660
Traceless
 xyz
x -0.308 3.286 0.002
y 3.286 -0.311 -0.000
z 0.002 -0.000 0.618
Polar
3z2-r21.237
x2-y20.002
xy3.286
xz0.002
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 269.008
(<r2>)1/2 16.401