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

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-515.145535
Energy at 298.15K-515.152240
HF Energy-514.584816
Nuclear repulsion energy159.721543
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 QCISD/6-31G*
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 3249 3094 5.41      
2 A 3183 3031 15.25      
3 A 3163 3012 14.27      
4 A 3155 3005 9.59      
5 A 3138 2989 15.66      
6 A 3064 2918 23.72      
7 A 1546 1473 5.59      
8 A 1544 1470 5.17      
9 A 1531 1458 4.28      
10 A 1471 1401 4.15      
11 A 1429 1361 5.77      
12 A 1235 1176 4.94      
13 A 1221 1163 2.72      
14 A 1148 1094 19.05      
15 A 1110 1057 10.24      
16 A 1058 1008 3.57      
17 A 969 923 2.52      
18 A 959 913 3.21      
19 A 916 872 1.93      
20 A 671 639 9.74      
21 A 646 615 14.63      
22 A 396 377 0.20      
23 A 311 296 1.30      
24 A 239 228 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 18675.9 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 17785.0 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 QCISD/6-31G*
ABC
0.38988 0.16037 0.13046

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.783 -0.294 -0.179
C2 -0.511 0.153 0.503
C3 0.385 1.143 -0.147
S4 1.088 -0.528 -0.057
H5 -1.642 -0.380 -1.263
H6 -2.123 -1.267 0.196
H7 -2.579 0.440 0.009
H8 -0.593 0.227 1.588
H9 0.114 1.503 -1.141
H10 0.871 1.908 0.458

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.51072.60042.88291.09651.09721.09922.19352.78413.5070
C21.51071.48541.82582.16422.16982.14581.09052.21782.2352
C32.60041.48541.81472.76983.49483.05012.19231.09101.0907
S42.88291.82581.81472.98853.30493.79342.47002.49982.4993
H51.09652.16422.76982.98851.77421.78023.09862.57783.8100
H61.09722.16983.49483.30491.77421.77682.55203.80334.3724
H71.09922.14583.05013.79341.78021.77682.54673.11533.7767
H82.19351.09052.19232.47003.09862.55202.54673.09452.4994
H92.78412.21781.09102.49982.57783.80333.11533.09451.8150
H103.50702.23521.09072.49933.81004.37243.77672.49941.8150

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 120.439 C1 C2 S4 119.250
C1 C2 H8 113.999 C2 C1 H5 111.221
C2 C1 H6 111.630 C2 C1 H7 109.597
C2 C3 S4 66.313 C2 C3 H9 118.003
C2 C3 H10 119.591 C2 S4 C3 48.161
C3 C2 S4 65.526 C3 C2 H8 115.807
S4 C2 H8 113.344 S4 C3 H9 116.481
S4 C3 H10 116.459 H5 C1 H6 107.951
H5 C1 H7 108.339 H6 C1 H7 107.987
H9 C3 H10 112.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability