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

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-513.506303
Energy at 298.15K-513.512763
Nuclear repulsion energy156.980893
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 3151 3130 6.31      
2 A 3090 3070 12.62      
3 A 3063 3043 12.07      
4 A 3051 3031 8.88      
5 A 3026 3006 14.42      
6 A 2964 2944 24.32      
7 A 1527 1517 7.49      
8 A 1512 1503 4.95      
9 A 1485 1476 4.66      
10 A 1426 1416 5.27      
11 A 1354 1345 8.10      
12 A 1179 1172 2.47      
13 A 1139 1132 5.06      
14 A 1081 1074 26.08      
15 A 1050 1043 7.22      
16 A 1011 1004 2.60      
17 A 936 930 6.82      
18 A 891 885 3.15      
19 A 843 838 3.92      
20 A 579 575 3.90      
21 A 547 544 19.24      
22 A 382 380 0.32      
23 A 291 289 2.28      
24 A 222 221 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 17899.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 17782.8 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 BLYP/3-21G*
ABC
0.37416 0.15551 0.12613

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)
C1 -1.795 -0.327 -0.185
C2 -0.535 0.170 0.520
C3 0.351 1.179 -0.161
S4 1.119 -0.529 -0.054
H5 -1.625 -0.400 -1.270
H6 -2.086 -1.322 0.189
H7 -2.631 0.372 0.002
H8 -0.606 0.249 1.609
H9 0.072 1.494 -1.169
H10 0.839 1.942 0.451

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.52732.62232.92421.10111.10191.10582.22812.78793.5339
C21.52731.50591.88542.17272.17752.16881.09372.23082.2429
C32.62231.50591.87622.76253.50973.09412.21651.09281.0922
S42.92421.88541.87623.00493.31063.85762.51922.53672.5376
H51.10112.17272.76253.00491.78681.79653.12272.54523.8100
H61.10192.17753.50973.31061.78681.78932.58373.79904.3902
H71.10582.16883.09413.85761.79651.78932.58823.15283.8348
H82.22811.09372.21652.51923.12272.58372.58823.11902.5086
H92.78792.23081.09282.53672.54523.79903.15283.11901.8472
H103.53392.24291.09222.53763.81004.39023.83482.50861.8472

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 119.657 C1 C2 S4 117.549
C1 C2 H8 115.446 C2 C1 H5 110.457
C2 C1 H6 110.793 C2 C1 H7 109.873
C2 C3 S4 66.723 C2 C3 H9 117.404
C2 C3 H10 118.512 C2 S4 C3 47.195
C3 C2 S4 66.082 C3 C2 H8 116.096
S4 C2 H8 112.755 S4 C3 H9 114.805
S4 C3 H10 114.911 H5 C1 H6 108.402
H5 C1 H7 108.977 H6 C1 H7 108.282
H9 C3 H10 115.430
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 C -0.518      
2 C -0.314      
3 C -0.445      
4 S 0.052      
5 H 0.197      
6 H 0.197      
7 H 0.187      
8 H 0.215      
9 H 0.214      
10 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.720 1.333 0.248 2.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.340 1.384 -0.442
y 1.384 -31.596 -0.448
z -0.442 -0.448 -32.365
Traceless
 xyz
x -1.359 1.384 -0.442
y 1.384 1.257 -0.448
z -0.442 -0.448 0.103
Polar
3z2-r20.205
x2-y2-1.744
xy1.384
xz-0.442
yz-0.448


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> 106.674
(<r2>)1/2 10.328