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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-515.880320
Energy at 298.15K-515.874633
HF Energy-516.117741
Nuclear repulsion energy159.400708
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/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 3211 3098 3.82      
2 A 3145 3035 16.10      
3 A 3122 3012 16.20      
4 A 3119 3010 4.83      
5 A 3096 2987 12.99      
6 A 3027 2921 26.27      
7 A 1495 1443 4.87      
8 A 1489 1436 4.51      
9 A 1477 1425 4.30      
10 A 1414 1364 2.63      
11 A 1379 1331 9.20      
12 A 1194 1152 2.96      
13 A 1188 1147 1.43      
14 A 1095 1057 19.83      
15 A 1064 1027 7.21      
16 A 1017 981 2.21      
17 A 935 902 4.03      
18 A 916 884 2.28      
19 A 883 852 1.95      
20 A 642 619 7.23      
21 A 605 584 20.72      
22 A 383 370 0.19      
23 A 299 288 1.98      
24 A 232 223 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 18211.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17574.2 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/6-31G(2df,p)
ABC
0.38837 0.15965 0.12964

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.783 -0.304 -0.178
C2 -0.519 0.167 0.501
C3 0.373 1.153 -0.152
S4 1.094 -0.528 -0.054
H5 -1.643 -0.371 -1.260
H6 -2.085 -1.289 0.188
H7 -2.602 0.397 0.025
H8 -0.582 0.236 1.585
H9 0.116 1.481 -1.155
H10 0.864 1.904 0.459

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.51002.60162.88831.09341.09371.09742.20002.78343.5048
C21.51001.48171.84212.15762.16092.14971.08742.20842.2208
C32.60161.48171.83252.75903.48143.07462.18411.08621.0855
S42.88831.84211.83252.99493.27793.81152.46562.49182.4961
H51.09342.15762.75902.99491.77101.77853.09632.55643.7965
H61.09372.16093.48143.27791.77101.77132.55623.78484.3547
H71.09742.14973.07463.81151.77851.77132.55753.15573.8045
H82.20001.08742.18412.46563.09632.55622.55753.09002.4781
H92.78342.20841.08622.49182.55643.78483.15573.09001.8287
H103.50482.22081.08552.49613.79654.35473.80452.47811.8287

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 120.773 C1 C2 S4 118.875
C1 C2 H8 114.531 C2 C1 H5 110.825
C2 C1 H6 111.073 C2 C1 H7 110.041
C2 C3 S4 66.386 C2 C3 H9 117.842
C2 C3 H10 118.883 C2 S4 C3 47.763
C3 C2 S4 65.851 C3 C2 H8 115.634
S4 C2 H8 112.362 S4 C3 H9 115.109
S4 C3 H10 115.332 H5 C1 H6 108.196
H5 C1 H7 108.618 H6 C1 H7 107.999
H9 C3 H10 114.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 C 0.049      
3 C -0.222      
4 S -0.222      
5 H 0.136      
6 H 0.133      
7 H 0.122      
8 H 0.120      
9 H 0.139      
10 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.722 1.391 0.285 2.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 104.238
(<r2>)1/2 10.210