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: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-977.826721
Energy at 298.15K-977.833270
HF Energy-977.266758
Nuclear repulsion energy336.748253
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 CISD/3-21G*
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 3725 3481 0.00      
2 Ag 3561 3328 0.00      
3 Ag 1753 1638 0.00      
4 Ag 1500 1401 0.00      
5 Ag 1396 1304 0.00      
6 Ag 981 917 0.00      
7 Ag 677 632 0.00      
8 Ag 444 415 0.00      
9 Ag 351 328 0.00      
10 Au 801 748 611.91      
11 Au 686 641 0.56      
12 Au 417 390 19.83      
13 Au 49 46 16.30      
14 Bg 813 759 0.00      
15 Bg 723 676 0.00      
16 Bg 682 638 0.00      
17 Bu 3726 3482 202.04      
18 Bu 3567 3333 304.06      
19 Bu 1735 1621 432.77      
20 Bu 1484 1387 538.51      
21 Bu 1334 1246 153.99      
22 Bu 905 846 106.37      
23 Bu 492 459 1.69      
24 Bu 304 284 26.57      

Unscaled Zero Point Vibrational Energy (zpe) 16052.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 14999.3 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 CISD/3-21G*
ABC
0.14888 0.05337 0.03929

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.052 0.775 0.000
C2 0.052 -0.775 0.000
S3 1.298 1.741 0.000
S4 -1.298 -1.741 0.000
N5 -1.298 1.227 0.000
N6 1.298 -1.227 0.000
H7 -2.072 0.571 0.000
H8 -1.468 2.220 0.000
H9 2.072 -0.571 0.000
H10 1.468 -2.220 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 S4 N5 N6 H7 H8 H9 H10
C11.55431.66042.80821.32532.41512.02962.02302.51493.3594
C21.55432.80821.66042.41511.32532.51493.35942.02962.0230
S31.66042.80824.34402.64712.96793.56722.80792.43843.9650
S42.80821.66044.34402.96792.64712.43843.96503.56722.8079
N51.32532.41512.64712.96793.57241.01371.00793.81964.4199
N62.41511.32532.96792.64713.57243.81964.41991.01371.0079
H72.02962.51493.56722.43841.01373.81961.75564.29804.5083
H82.02303.35942.80793.96501.00794.41991.75564.50835.3236
H92.51492.02962.43843.56723.81961.01374.29804.50831.7556
H103.35942.02303.96502.80794.41991.00794.50835.32361.7556

picture of Ethanedithioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S4 121.712 C1 C2 N6 113.767
C1 N5 H7 119.811 C1 N5 H8 119.627
C2 C1 S3 121.712 C2 C1 N5 113.767
C2 N6 H9 119.811 C2 N6 H10 119.627
S3 C1 N5 124.521 S4 C2 N6 124.521
H7 N5 H8 120.562 H9 N6 H10 120.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability