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All results from a given calculation for C3H6S (Thiirane, methyl-)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-515.258895
Energy at 298.15K-515.265584
HF Energy-514.608031
Nuclear repulsion energy160.387298
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 MP2/6-31G(2df,p)
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 3290 3108 0.45      
2 A 3220 3041 8.63      
3 A 3205 3027 3.52      
4 A 3190 3013 7.02      
5 A 3187 3010 4.46      
6 A 3099 2927 14.99      
7 A 1524 1439 5.76      
8 A 1513 1429 4.21      
9 A 1496 1413 5.35      
10 A 1432 1353 4.57      
11 A 1392 1315 6.70      
12 A 1214 1147 2.53      
13 A 1199 1133 1.32      
14 A 1112 1050 14.29      
15 A 1073 1014 8.18      
16 A 1032 974 3.22      
17 A 948 895 3.57      
18 A 937 885 2.34      
19 A 902 852 1.86      
20 A 675 638 5.67      
21 A 650 614 14.34      
22 A 384 363 0.13      
23 A 307 290 1.51      
24 A 243 230 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 18611.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 17578.4 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 MP2/6-31G(2df,p)
ABC
0.38947 0.16275 0.13210

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.773 -0.291 -0.180
C2 -0.510 0.158 0.505
C3 0.387 1.141 -0.149
S4 1.079 -0.529 -0.056
H5 -1.630 -0.377 -1.258
H6 -2.110 -1.260 0.194
H7 -2.568 0.436 0.007
H8 -0.588 0.231 1.586
H9 0.121 1.494 -1.141
H10 0.883 1.899 0.450

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.50482.59172.86471.09101.09151.09362.18922.77463.4995
C21.50481.48271.82042.15592.15992.13531.08592.21182.2305
C32.59171.48271.81032.75753.48063.04182.18781.08611.0858
S42.86471.82041.81032.96773.28113.77332.46012.48752.4881
H51.09102.15592.75752.96771.76551.77193.08882.56563.7965
H61.09152.15993.48063.28111.76551.76682.54443.78724.3589
H71.09362.13533.04183.77331.77191.76682.54103.10933.7743
H82.18921.08592.18782.46013.08882.54442.54103.08752.4973
H92.77462.21181.08612.48752.56563.78723.10933.08751.8096
H103.49952.23051.08582.48813.79654.35893.77432.49731.8096

picture of Thiirane, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.342 C1 C2 S4 118.661
C1 C2 H8 114.380 C2 C1 H5 111.305
C2 C1 H6 111.601 C2 C1 H7 109.510
C2 C3 S4 66.257 C2 C3 H9 118.040
C2 C3 H10 119.752 C2 S4 C3 48.204
C3 C2 S4 65.540 C3 C2 H8 115.953
S4 C2 H8 113.224 S4 C3 H9 116.109
S4 C3 H10 116.184 H5 C1 H6 107.980
H5 C1 H7 108.410 H6 C1 H7 107.918
H9 C3 H10 112.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability