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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-513.497678
Energy at 298.15K-513.504182
Nuclear repulsion energy155.686284
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/3-21G
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 3268 3153 1.98      
2 A 3200 3088 4.88      
3 A 3169 3058 4.08      
4 A 3137 3027 8.88      
5 A 3109 3000 9.75      
6 A 3041 2935 18.98      
7 A 1561 1506 9.70      
8 A 1547 1493 5.59      
9 A 1516 1463 7.91      
10 A 1468 1416 8.05      
11 A 1399 1350 4.61      
12 A 1223 1180 2.68      
13 A 1180 1138 4.55      
14 A 1109 1070 25.13      
15 A 1071 1034 13.62      
16 A 1020 984 1.43      
17 A 963 930 9.13      
18 A 880 849 5.26      
19 A 865 835 2.43      
20 A 557 538 11.79      
21 A 539 520 14.29      
22 A 396 382 0.36      
23 A 287 276 3.09      
24 A 229 221 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18366.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17721.8 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 B3LYP/3-21G
ABC
0.36515 0.15383 0.12391

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.771 -0.387 -0.184
C2 -0.567 0.193 0.519
C3 0.264 1.209 -0.169
S4 1.160 -0.513 -0.047
H5 -1.582 -0.478 -1.257
H6 -2.011 -1.380 0.209
H7 -2.643 0.263 -0.029
H8 -0.627 0.263 1.600
H9 -0.002 1.478 -1.185
H10 0.748 1.976 0.422

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.51032.58612.93731.09361.09411.09882.21682.75933.5075
C21.51031.48161.94982.15292.15742.14861.08482.20802.2184
C32.58611.48161.94492.72653.46663.06002.19451.08391.0830
S42.93731.94981.94492.99723.29743.88182.55162.57062.5664
H51.09362.15292.72652.99721.77431.78433.10222.51553.7776
H61.09412.15743.46663.29741.77431.77642.55923.76154.3502
H71.09882.14863.06003.88181.78431.77642.59193.12913.8265
H82.21681.08482.19452.55163.10222.55922.59193.10192.4932
H92.75932.20801.08392.57062.51553.76153.12913.10191.8412
H103.50752.21841.08302.56643.77764.35023.82652.49321.8412

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 119.613 C1 C2 S4 115.598
C1 C2 H8 116.391 C2 C1 H5 110.516
C2 C1 H6 110.850 C2 C1 H7 109.869
C2 C3 S4 67.816 C2 C3 H9 117.944
C2 C3 H10 118.944 C2 S4 C3 44.720
C3 C2 S4 67.464 C3 C2 H8 116.690
S4 C2 H8 111.237 S4 C3 H9 113.046
S4 C3 H10 112.774 H5 C1 H6 108.390
H5 C1 H7 108.951 H6 C1 H7 108.205
H9 C3 H10 116.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.540     -0.334
2 C -0.404     0.058
3 C -0.519     -0.350
4 S 0.102     -0.225
5 H 0.213     0.108
6 H 0.214     0.126
7 H 0.204     0.112
8 H 0.244     0.118
9 H 0.241     0.207
10 H 0.244     0.179


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.138 1.541 0.268 2.649
CHELPG        
AIM        
ESP -2.187 1.580 0.317 2.717


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.972 1.636 -0.386
y 1.636 -31.716 -0.475
z -0.386 -0.475 -32.386
Traceless
 xyz
x -1.922 1.636 -0.386
y 1.636 1.463 -0.475
z -0.386 -0.475 0.459
Polar
3z2-r20.917
x2-y2-2.256
xy1.636
xz-0.386
yz-0.475


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.805 -0.918 -0.429
y -0.918 6.658 -0.127
z -0.429 -0.127 4.857


<r2> (average value of r2) Å2
<r2> 107.862
(<r2>)1/2 10.386