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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: B3LYPultrafine/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-478.028226
Energy at 298.15K 
HF Energy-478.028226
Nuclear repulsion energy106.943625
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(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' 3111 3002 22.28      
2 A' 3061 2954 19.63      
3 A' 3041 2934 18.58      
4 A' 2677 2583 6.63      
5 A' 1504 1451 1.38      
6 A' 1488 1436 2.70      
7 A' 1413 1363 1.43      
8 A' 1296 1251 41.26      
9 A' 1111 1072 1.41      
10 A' 992 957 3.53      
11 A' 859 829 1.28      
12 A' 665 642 1.89      
13 A' 300 289 2.22      
14 A" 3126 3017 27.50      
15 A" 3102 2993 0.02      
16 A" 1493 1440 6.18      
17 A" 1267 1223 0.46      
18 A" 1040 1004 0.24      
19 A" 789 761 3.23      
20 A" 251 242 1.43      
21 A" 183 176 16.14      

Unscaled Zero Point Vibrational Energy (zpe) 16383.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15810.2 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 B3LYPultrafine/6-31G(2df,p)
ABC
0.95446 0.17968 0.16033

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.521 0.700 0.000
C2 0.000 0.833 0.000
S3 -0.758 -0.844 0.000
H4 1.984 1.691 0.000
H5 1.871 0.161 0.886
H6 1.871 0.161 -0.886
H7 -0.339 1.373 0.887
H8 -0.339 1.373 -0.887
H9 -2.045 -0.448 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52712.75331.09451.09401.09402.16832.16833.7462
C21.52711.84132.16192.17672.17671.09241.09242.4132
S32.75331.84133.73532.95152.95152.42522.42521.3460
H41.09452.16193.73531.77151.77152.50722.50724.5620
H51.09402.17672.95151.77151.77162.52083.08184.0610
H61.09402.17672.95151.77151.77163.08182.52084.0610
H72.16831.09242.42522.50722.52083.08181.77422.6486
H82.16831.09242.42522.50723.08182.52081.77422.6486
H93.74622.41321.34604.56204.06104.06102.64862.6486

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.296 C1 C2 H7 110.635
C1 C2 H8 110.635 C2 C1 H4 110.008
C2 C1 H5 111.213 C2 C1 H6 111.213
C2 S3 H9 97.203 S3 C2 H7 108.822
S3 C2 H8 108.822 H4 C1 H5 108.085
H4 C1 H6 108.085 H5 C1 H6 108.123
H7 C2 H8 108.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.373      
2 C -0.170      
3 S -0.264      
4 H 0.123      
5 H 0.136      
6 H 0.136      
7 H 0.131      
8 H 0.131      
9 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.062 1.734 0.000 1.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.573 -0.289 0.000
y -0.289 -27.967 0.000
z 0.000 0.000 -28.681
Traceless
 xyz
x 3.751 -0.289 0.000
y -0.289 -1.340 0.000
z 0.000 0.000 -2.411
Polar
3z2-r2-4.821
x2-y23.394
xy-0.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.618 0.865 0.000
y 0.865 6.276 0.000
z 0.000 0.000 5.004


<r2> (average value of r2) Å2
<r2> 83.892
(<r2>)1/2 9.159

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-478.029094
Energy at 298.15K 
HF Energy-478.029094
Nuclear repulsion energy106.670374
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(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 3128 3018 26.04 9.97 0.75 0.86
2 A 3105 2996 9.56 80.48 0.75 0.85
3 A 3096 2988 19.31 95.12 0.68 0.81
4 A 3062 2955 11.97 101.77 0.13 0.23
5 A 3032 2926 24.84 128.53 0.05 0.10
6 A 2670 2577 6.09 99.28 0.33 0.49
7 A 1499 1446 1.64 8.33 0.73 0.85
8 A 1490 1438 6.99 15.36 0.75 0.86
9 A 1475 1424 0.77 15.90 0.75 0.86
10 A 1411 1362 1.47 3.98 0.67 0.80
11 A 1304 1258 25.57 2.06 0.66 0.80
12 A 1278 1233 3.51 6.39 0.75 0.85
13 A 1121 1082 7.90 7.10 0.73 0.84
14 A 1064 1027 0.24 4.25 0.37 0.54
15 A 983 949 6.52 4.91 0.75 0.86
16 A 873 842 6.33 2.95 0.68 0.81
17 A 734 708 1.51 2.71 0.37 0.54
18 A 650 627 4.16 14.36 0.24 0.39
19 A 326 314 1.60 1.30 0.36 0.53
20 A 256 247 1.66 0.27 0.64 0.78
21 A 208 201 15.24 2.48 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 16381.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15808.4 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(2df,p)
ABC
0.96466 0.17340 0.15919

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.649 -0.351 -0.053
C2 0.501 0.644 0.091
S3 -1.171 -0.099 -0.080
H4 2.612 0.167 0.019
H5 1.616 -1.108 0.736
H6 1.603 -0.866 -1.016
H7 0.551 1.177 1.044
H8 0.535 1.397 -0.702
H9 -1.085 -0.936 0.972

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52532.83071.09631.09451.09312.17782.17122.9777
C21.52531.83802.16542.17462.17291.09271.09382.4060
S32.83071.83803.79373.07433.02632.42062.35241.3468
H41.09632.16543.79371.77001.77672.51382.51923.9745
H51.09452.17463.07431.77001.76882.54033.08392.7171
H61.09312.17293.02631.77671.76883.08642.52213.3441
H72.17781.09272.42062.51382.54033.08641.75912.6741
H82.17121.09382.35242.51923.08392.52211.75913.2964
H92.97772.40601.34683.97452.71713.34412.67413.2964

picture of ethanethiol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 114.308 C1 C2 H7 111.509
C1 C2 H8 110.910 C2 C1 H4 110.304
C2 C1 H5 111.141 C2 C1 H6 111.090
C2 S3 H9 96.926 S3 C2 H7 108.690
S3 C2 H8 103.800 H4 C1 H5 107.786
H4 C1 H6 108.491 H5 C1 H6 107.912
H7 C2 H8 107.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.362      
2 C -0.172      
3 S -0.265      
4 H 0.118      
5 H 0.121      
6 H 0.136      
7 H 0.134      
8 H 0.137      
9 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.604 0.118 0.717 1.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.892 1.288 -0.701
y 1.288 -26.803 -1.676
z -0.701 -1.676 -26.700
Traceless
 xyz
x -2.141 1.288 -0.701
y 1.288 0.993 -1.676
z -0.701 -1.676 1.148
Polar
3z2-r22.296
x2-y2-2.089
xy1.288
xz-0.701
yz-1.676


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.210 0.372 -0.007
y 0.372 5.512 -0.195
z -0.007 -0.195 5.264


<r2> (average value of r2) Å2
<r2> 84.550
(<r2>)1/2 9.195