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 C2H4N2S2 (Ethanedithioamide)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-982.907249
Energy at 298.15K-982.913167
HF Energy-982.044666
Nuclear repulsion energy336.336229
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 MP2/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3716 3540 0.00      
2 Ag 3495 3329 0.00      
3 Ag 1641 1563 0.00      
4 Ag 1438 1370 0.00      
5 Ag 1336 1273 0.00      
6 Ag 966 921 0.00      
7 Ag 687 654 0.00      
8 Ag 415 395 0.00      
9 Ag 336 320 0.00      
10 Au 669 638 2.28      
11 Au 440 419 216.80      
12 Au 383 365 118.23      
13 Au 36 35 4.79      
14 Bg 704 671 0.00      
15 Bg 654 623 0.00      
16 Bg 409 389 0.00      
17 Bu 3718 3541 240.53      
18 Bu 3503 3337 267.10      
19 Bu 1589 1513 538.92      
20 Bu 1451 1382 207.84      
21 Bu 1233 1175 74.77      
22 Bu 904 861 28.84      
23 Bu 453 432 0.55      
24 Bu 280 267 27.66      

Unscaled Zero Point Vibrational Energy (zpe) 15227.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 14504.0 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 MP2/cc-pVDZ
ABC
0.14944 0.05318 0.03922

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.044 0.767 0.000
C2 0.044 -0.767 0.000
S3 1.306 1.743 0.000
S4 -1.306 -1.743 0.000
N5 -1.306 1.213 0.000
N6 1.306 -1.213 0.000
H7 -2.057 0.520 0.000
H8 -1.485 2.211 0.000
H9 2.057 -0.520 0.000
H10 1.485 -2.211 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 S4 N5 N6 H7 H8 H9 H10
C11.53611.66562.80931.33872.39622.02812.04032.46333.3474
C21.53612.80931.66562.39621.33872.46333.34742.02812.0403
S31.66562.80934.35582.66482.95633.57812.82942.38443.9584
S42.80931.66564.35582.95632.66482.38443.95843.57812.8294
N51.33872.39622.66482.95633.56491.02201.01403.78304.4175
N62.39621.33872.95632.66483.56493.78304.41751.02201.0140
H72.02812.46333.57812.38441.02203.78301.78554.24294.4723
H82.04033.34742.82943.95841.01404.41751.78554.47235.3269
H92.46332.02812.38443.57813.78301.02204.24294.47231.7855
H103.34742.04033.95842.82944.41751.01404.47235.32691.7855

picture of Ethanedithioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S4 122.620 C1 C2 N6 112.741
C1 N5 H7 117.810 C1 N5 H8 119.633
C2 C1 S3 122.620 C2 C1 N5 112.741
C2 N6 H9 117.810 C2 N6 H10 119.633
S3 C1 N5 124.639 S4 C2 N6 124.639
H7 N5 H8 122.558 H9 N6 H10 122.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability