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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-30.638628
Energy at 298.15K-30.645135
Nuclear repulsion energy63.033777
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3213 3131 11.86      
2 A 3137 3057 19.32      
3 A 3102 3023 21.82      
4 A 3097 3018 13.48      
5 A 3067 2989 22.94      
6 A 2980 2904 39.65      
7 A 1519 1480 9.54      
8 A 1505 1466 4.59      
9 A 1489 1451 9.34      
10 A 1437 1401 7.81      
11 A 1388 1352 4.28      
12 A 1199 1168 2.04      
13 A 1196 1165 5.07      
14 A 1095 1067 32.48      
15 A 1073 1045 11.76      
16 A 1009 984 3.03      
17 A 936 912 7.10      
18 A 900 877 2.40      
19 A 876 853 4.83      
20 A 575 561 13.34      
21 A 536 522 13.18      
22 A 385 375 0.43      
23 A 282 275 2.69      
24 A 223 217 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18107.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 17646.2 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 B3LYP/CEP-121G
ABC
0.36673 0.14973 0.12117

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.577 -0.117 -0.165
C2 -0.226 0.089 0.513
C3 0.845 0.903 -0.141
S4 1.279 -0.986 -0.128
H5 -1.463 -0.184 -1.253
H6 -2.058 -1.036 0.188
H7 -2.243 0.729 0.065
H8 -0.243 0.100 1.602
H9 0.656 1.295 -1.138
H10 1.506 1.504 0.478

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.52492.62772.98541.09621.09611.10152.22382.81483.5420
C21.52491.49541.95772.17292.17442.16321.08922.22572.2371
C32.62771.49541.93842.78323.50663.09992.20541.08761.0868
S42.98541.95771.93843.07043.35263.92282.54752.57072.5727
H51.09622.17292.78323.07041.77671.78333.11722.58653.8292
H61.09612.17443.50663.35261.77671.77962.56583.81524.3866
H71.10152.16323.09993.92281.78331.77962.59963.18913.8512
H82.22381.08922.20542.54753.11722.56582.59963.12052.5090
H92.81482.22571.08762.57072.58653.81523.18913.12051.8376
H103.54202.23711.08682.57273.82924.38663.85122.50901.8376

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 120.922 C1 C2 S4 117.479
C1 C2 H8 115.567 C2 C1 H5 110.939
C2 C1 H6 111.056 C2 C1 H7 109.855
C2 C3 S4 68.113 C2 C3 H9 118.153
C2 C3 H10 119.235 C2 S4 C3 45.137
C3 C2 S4 66.750 C3 C2 H8 116.260
S4 C2 H8 110.176 S4 C3 H9 113.305
S4 C3 H10 113.500 H5 C1 H6 108.278
H5 C1 H7 108.474 H6 C1 H7 108.150
H9 C3 H10 115.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.457      
2 C -0.191      
3 C -0.461      
4 S 0.051      
5 H 0.160      
6 H 0.168      
7 H 0.152      
8 H 0.194      
9 H 0.193      
10 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.719 2.060 0.456 2.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.457 2.853 -0.308
y 2.853 -32.715 -0.512
z -0.308 -0.512 -31.983
Traceless
 xyz
x -1.108 2.853 -0.308
y 2.853 0.005 -0.512
z -0.308 -0.512 1.103
Polar
3z2-r22.205
x2-y2-0.742
xy2.853
xz-0.308
yz-0.512


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.591 -1.076 -0.534
y -1.076 8.238 0.126
z -0.534 0.126 5.997


<r2> (average value of r2) Å2
<r2> 79.228
(<r2>)1/2 8.901