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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-478.012890
Energy at 298.15K 
HF Energy-478.012890
Nuclear repulsion energy106.683346
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 B3LYPultrafine/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' 3124 2992 26.34      
2 A' 3075 2946 23.81      
3 A' 3056 2927 20.50      
4 A' 2675 2563 27.08      
5 A' 1535 1471 1.90      
6 A' 1520 1456 3.43      
7 A' 1443 1382 2.97      
8 A' 1325 1269 48.14      
9 A' 1125 1078 2.14      
10 A' 1002 959 3.73      
11 A' 869 832 2.49      
12 A' 664 637 1.99      
13 A' 303 290 2.74      
14 A" 3139 3007 35.46      
15 A" 3115 2985 0.02      
16 A" 1524 1460 7.37      
17 A" 1286 1232 0.57      
18 A" 1061 1017 0.38      
19 A" 801 767 4.27      
20 A" 259 248 1.51      
21 A" 185 177 19.88      

Unscaled Zero Point Vibrational Energy (zpe) 16541.8 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 15847.0 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 B3LYPultrafine/6-31G*
ABC
0.95212 0.17862 0.15944

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.522 0.706 0.000
C2 0.000 0.836 0.000
S3 -0.759 -0.850 0.000
H4 1.982 1.701 0.000
H5 1.875 0.170 0.887
H6 1.875 0.170 -0.887
H7 -0.338 1.378 0.888
H8 -0.338 1.378 -0.888
H9 -2.049 -0.450 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52742.76091.09581.09521.09522.16802.16803.7534
C21.52741.84852.16242.17862.17861.09391.09392.4189
S32.76091.84853.74392.96022.96022.43492.43491.3509
H41.09582.16243.74391.77281.77282.50512.50514.5687
H51.09522.17862.96021.77281.77412.52193.08374.0704
H61.09522.17862.96021.77281.77413.08372.52194.0704
H72.16801.09392.43492.50512.52193.08371.77522.6563
H82.16801.09392.43492.50513.08372.52191.77522.6563
H93.75342.41891.35094.56874.07044.07042.65632.6563

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.368 C1 C2 H7 110.504
C1 C2 H8 110.504 C2 C1 H4 109.954
C2 C1 H5 111.272 C2 C1 H6 111.272
C2 S3 H9 97.007 S3 C2 H7 108.979
S3 C2 H8 108.979 H4 C1 H5 108.022
H4 C1 H6 108.022 H5 C1 H6 108.176
H7 C2 H8 108.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.452      
2 C -0.389      
3 S -0.088      
4 H 0.156      
5 H 0.167      
6 H 0.167      
7 H 0.175      
8 H 0.175      
9 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.037 1.801 0.000 1.801
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.518 -0.207 0.000
y -0.207 -28.211 0.000
z 0.000 0.000 -28.842
Traceless
 xyz
x 4.008 -0.207 0.000
y -0.207 -1.531 0.000
z 0.000 0.000 -2.477
Polar
3z2-r2-4.954
x2-y23.693
xy-0.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.257 0.833 0.000
y 0.833 5.909 0.000
z 0.000 0.000 4.464


<r2> (average value of r2) Å2
<r2> 84.317
(<r2>)1/2 9.182

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-478.013764
Energy at 298.15K-478.020056
HF Energy-478.013764
Nuclear repulsion energy106.422895
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 B3LYPultrafine/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 3140 3009 31.96      
2 A 3119 2988 10.06      
3 A 3108 2977 24.40      
4 A 3076 2947 15.10      
5 A 3047 2919 26.63      
6 A 2669 2557 24.45      
7 A 1529 1465 2.50      
8 A 1521 1457 8.26      
9 A 1508 1445 1.26      
10 A 1440 1380 2.17      
11 A 1330 1274 25.68      
12 A 1297 1242 3.78      
13 A 1138 1090 12.20      
14 A 1078 1033 0.20      
15 A 992 951 6.99      
16 A 882 845 8.73      
17 A 745 714 1.89      
18 A 651 623 4.74      
19 A 328 314 2.04      
20 A 262 251 1.79      
21 A 213 204 19.70      

Unscaled Zero Point Vibrational Energy (zpe) 16536.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 15842.1 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 B3LYPultrafine/6-31G*
ABC
0.96106 0.17254 0.15840

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.651 -0.352 -0.054
C2 0.505 0.645 0.092
S3 -1.175 -0.099 -0.080
H4 2.616 0.166 0.014
H5 1.622 -1.109 0.738
H6 1.603 -0.870 -1.017
H7 0.560 1.179 1.045
H8 0.543 1.399 -0.701
H9 -1.081 -0.943 0.972

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52642.83711.09741.09591.09432.17792.17102.9776
C21.52641.84492.16612.17782.17511.09421.09482.4106
S32.83711.84493.80103.08383.03142.43082.36201.3515
H41.09742.16613.80101.77151.77832.51282.51583.9768
H51.09592.17783.08381.77151.77142.54103.08642.7183
H61.09432.17513.03141.77831.77143.08842.52383.3418
H72.17791.09422.43082.51282.54103.08841.76072.6835
H82.17101.09482.36202.51583.08642.52381.76073.3044
H92.97762.41061.35153.97682.71833.34182.68353.3044

picture of ethanethiol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 114.280 C1 C2 H7 111.342
C1 C2 H8 110.760 C2 C1 H4 110.217
C2 C1 H5 111.238 C2 C1 H6 111.117
C2 S3 H9 96.689 S3 C2 H7 108.904
S3 C2 H8 103.993 H4 C1 H5 107.736
H4 C1 H6 108.458 H5 C1 H6 107.955
H7 C2 H8 107.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.431      
2 C -0.402      
3 S -0.085      
4 H 0.151      
5 H 0.150      
6 H 0.168      
7 H 0.178      
8 H 0.180      
9 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.640 0.070 0.803 1.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.069 1.376 -0.848
y 1.376 -26.891 -1.694
z -0.848 -1.694 -26.883
Traceless
 xyz
x -2.182 1.376 -0.848
y 1.376 1.085 -1.694
z -0.848 -1.694 1.097
Polar
3z2-r22.195
x2-y2-2.178
xy1.376
xz-0.848
yz-1.694


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.755 0.464 0.027
y 0.464 5.091 -0.339
z 0.027 -0.339 4.899


<r2> (average value of r2) Å2
<r2> 84.956
(<r2>)1/2 9.217