return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-516.153661
Energy at 298.15K-516.160267
Nuclear repulsion energy159.190948
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/6-311G*
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 3202 3094 8.30      
2 A 3142 3036 20.41      
3 A 3115 3011 22.36      
4 A 3110 3005 10.92      
5 A 3088 2984 18.70      
6 A 3025 2923 33.59      
7 A 1514 1463 7.83      
8 A 1507 1457 4.37      
9 A 1496 1445 7.30      
10 A 1431 1382 4.92      
11 A 1394 1347 7.67      
12 A 1200 1160 3.59      
13 A 1197 1157 3.39      
14 A 1103 1066 26.33      
15 A 1070 1034 10.93      
16 A 1029 994 4.86      
17 A 945 913 5.86      
18 A 931 900 3.93      
19 A 886 856 2.70      
20 A 633 611 10.20      
21 A 600 579 20.14      
22 A 390 376 0.25      
23 A 299 289 1.60      
24 A 232 224 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 18268.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 17652.7 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/6-311G*
ABC
0.38787 0.15908 0.12918

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.783 -0.310 -0.177
C2 -0.522 0.167 0.501
C3 0.362 1.156 -0.153
S4 1.101 -0.526 -0.054
H5 -1.647 -0.378 -1.258
H6 -2.079 -1.296 0.187
H7 -2.606 0.384 0.025
H8 -0.582 0.236 1.584
H9 0.106 1.482 -1.156
H10 0.850 1.908 0.457

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.50912.59792.89411.09211.09231.09612.20022.78193.5006
C21.50911.47851.84982.15862.16012.14911.08662.20662.2167
C32.59791.47851.83942.75873.47673.07232.18021.08541.0846
S42.89411.84981.83943.00413.28073.81812.46852.49702.4997
H51.09212.15862.75873.00411.76671.77433.09692.55803.7953
H61.09232.16013.47673.28071.76671.76882.55743.78154.3498
H71.09612.14913.07233.81811.77431.76882.55943.15603.8021
H82.20021.08662.18022.46853.09692.55742.55943.08762.4729
H92.78192.20661.08542.49702.55803.78153.15603.08761.8268
H103.50062.21671.08462.49973.79534.34983.80212.47291.8268

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 120.817 C1 C2 S4 118.647
C1 C2 H8 114.939 C2 C1 H5 111.154
C2 C1 H6 111.260 C2 C1 H7 110.150
C2 C3 S4 66.745 C2 C3 H9 117.967
C2 C3 H10 118.934 C2 S4 C3 47.249
C3 C2 S4 66.007 C3 C2 H8 115.569
S4 C2 H8 111.775 S4 C3 H9 114.777
S4 C3 H10 115.036 H5 C1 H6 107.954
H5 C1 H7 108.352 H6 C1 H7 107.853
H9 C3 H10 114.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.591     -0.282
2 C -0.315     0.128
3 C -0.497     -0.304
4 S 0.006     -0.214
5 H 0.223     0.080
6 H 0.225     0.104
7 H 0.212     0.086
8 H 0.244     0.073
9 H 0.245     0.178
10 H 0.249     0.149


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.795 1.448 0.291 2.325
CHELPG        
AIM        
ESP -1.822 1.458 0.346 2.359


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.125 1.457 -0.552
y 1.457 -32.046 -0.503
z -0.552 -0.503 -32.958
Traceless
 xyz
x -1.623 1.457 -0.552
y 1.457 1.495 -0.503
z -0.552 -0.503 0.128
Polar
3z2-r20.256
x2-y2-2.079
xy1.457
xz-0.552
yz-0.503


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.655 -0.764 -0.327
y -0.764 7.392 -0.057
z -0.327 -0.057 5.741


<r2> (average value of r2) Å2
<r2> 105.019
(<r2>)1/2 10.248