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 C2H5SC2H5 (Diethyl sulfide)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-555.508720
Energy at 298.15K-555.519381
HF Energy-554.804862
Nuclear repulsion energy233.297198
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3186 2991 32.03      
2 A1 3110 2919 21.72      
3 A1 3108 2917 29.60      
4 A1 1566 1470 2.71      
5 A1 1559 1463 2.10      
6 A1 1478 1387 1.38      
7 A1 1388 1303 12.45      
8 A1 1143 1073 0.28      
9 A1 1042 978 2.77      
10 A1 736 691 0.00      
11 A1 343 322 0.86      
12 A1 149 140 0.23      
13 A2 3195 2999 0.00      
14 A2 3159 2965 0.00      
15 A2 1553 1458 0.00      
16 A2 1313 1232 0.00      
17 A2 1090 1023 0.00      
18 A2 814 764 0.00      
19 A2 258 242 0.00      
20 A2 79 74 0.00      
21 B1 3194 2998 49.40      
22 B1 3154 2961 19.27      
23 B1 1553 1458 15.55      
24 B1 1319 1238 0.00      
25 B1 1113 1045 0.13      
26 B1 830 779 8.15      
27 B1 254 239 0.25      
28 B1 56 53 0.79      
29 B2 3186 2991 12.36      
30 B2 3111 2920 5.40      
31 B2 3108 2917 34.91      
32 B2 1564 1468 0.05      
33 B2 1551 1456 11.45      
34 B2 1475 1385 6.06      
35 B2 1355 1272 36.84      
36 B2 1095 1028 3.80      
37 B2 1037 973 3.19      
38 B2 739 693 0.58      
39 B2 349 328 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 30155.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 28304.0 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 MP3/6-31G*
ABC
0.47713 0.05750 0.05337

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.564
C2 0.000 1.383 -0.618
C3 0.000 -1.383 -0.618
C4 0.000 2.715 0.129
C5 0.000 -2.715 0.129
H6 0.885 1.308 -1.258
H7 -0.885 1.308 -1.258
H8 0.885 -1.308 -1.258
H9 -0.885 -1.308 -1.258
H10 0.000 3.546 -0.584
H11 0.000 -3.546 -0.584
H12 -0.886 2.808 0.763
H13 0.886 2.808 0.763
H14 0.886 -2.808 0.763
H15 -0.886 -2.808 0.763

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.81921.81922.74942.74942.41082.41082.41082.41083.72663.72662.95162.95162.95162.9516
C21.81922.76701.52624.16571.09481.09482.90502.90502.16244.92922.17282.17284.50144.5014
C31.81922.76704.16571.52622.90502.90501.09481.09484.92922.16244.50144.50142.17282.1728
C42.74941.52624.16575.42962.16402.16404.34644.34641.09426.30081.09361.09365.62975.6297
C52.74944.16571.52625.42964.34644.34642.16402.16406.30081.09425.62975.62971.09361.0936
H62.41081.09482.90502.16404.34641.77052.61683.15952.49864.97993.07722.51634.58584.9160
H72.41081.09482.90502.16404.34641.77053.15952.61682.49864.97992.51633.07724.91604.5858
H82.41082.90501.09484.34642.16402.61683.15951.77054.97992.49864.91604.58582.51633.0772
H92.41082.90501.09484.34642.16403.15952.61681.77054.97992.49864.58584.91603.07722.5163
H103.72662.16244.92921.09426.30082.49862.49864.97994.97997.09121.77241.77246.55526.5552
H113.72664.92922.16246.30081.09424.97994.97992.49862.49867.09126.55526.55521.77241.7724
H122.95162.17284.50141.09365.62973.07722.51634.91604.58581.77246.55521.77205.88975.6168
H132.95162.17284.50141.09365.62972.51633.07724.58584.91601.77246.55521.77205.61685.8897
H142.95164.50142.17285.62971.09364.58584.91602.51633.07726.55521.77245.88975.61681.7720
H152.95164.50142.17285.62971.09364.91604.58583.07722.51636.55521.77245.61685.88971.7720

picture of Diethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 110.237 S1 C2 H6 109.105
S1 C2 H7 109.105 S1 C3 C5 110.237
S1 C3 H8 109.105 S1 C3 H9 109.105
C2 S1 C3 99.017 C2 C4 H10 110.125
C2 C4 H12 110.989 C2 C4 H13 110.989
C3 C5 H11 110.125 C3 C5 H14 110.989
C3 C5 H15 110.989 C4 C2 H6 110.216
C4 C2 H7 110.216 C5 C3 H8 110.216
C5 C3 H9 110.216 H6 C2 H7 107.914
H8 C3 H9 107.914 H10 C4 H12 108.209
H10 C4 H13 108.209 H11 C5 H14 108.209
H11 C5 H15 108.209 H12 C4 H13 108.222
H14 C5 H15 108.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability