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: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-982.949201
Energy at 298.15K-982.955137
HF Energy-982.045110
Nuclear repulsion energy335.275100
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 QCISD/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 3726 3575 0.00      
2 Ag 3530 3387 0.00      
3 Ag 1649 1582 0.00      
4 Ag 1445 1386 0.00      
5 Ag 1363 1307 0.00      
6 Ag 975 935 0.00      
7 Ag 679 652 0.00      
8 Ag 413 397 0.00      
9 Ag 333 319 0.00      
10 Au 667 640 1.07      
11 Au 460 441 258.06      
12 Au 384 369 83.60      
13 Au 32 30 6.32      
14 Bg 709 680 0.00      
15 Bg 652 625 0.00      
16 Bg 430 412 0.00      
17 Bu 3728 3576 215.74      
18 Bu 3538 3394 254.93      
19 Bu 1605 1540 526.16      
20 Bu 1446 1387 275.69      
21 Bu 1242 1192 97.14      
22 Bu 876 840 54.41      
23 Bu 454 436 0.46      
24 Bu 279 268 27.14      

Unscaled Zero Point Vibrational Energy (zpe) 15306.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 14685.3 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 QCISD/cc-pVDZ
ABC
0.14910 0.05265 0.03891

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.771 0.000
C2 0.047 -0.771 0.000
S3 1.306 1.756 0.000
S4 -1.306 -1.756 0.000
N5 -1.306 1.217 0.000
N6 1.306 -1.217 0.000
H7 -2.064 0.535 0.000
H8 -1.481 2.215 0.000
H9 2.064 -0.535 0.000
H10 1.481 -2.215 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 S4 N5 N6 H7 H8 H9 H10
C11.54431.67382.82301.33572.40462.03072.03502.48223.3539
C21.54432.82301.67382.40461.33572.48223.35392.03072.0350
S31.67382.82304.37692.66712.97303.58462.82432.41293.9748
S42.82301.67384.37692.97302.66712.41293.97483.58462.8243
N51.33572.40462.66712.97303.57031.01981.01313.79824.4209
N62.40461.33572.97302.66713.57033.79824.42091.01981.0131
H72.03072.48223.58462.41291.01983.79821.77864.26444.4863
H82.03503.35392.82433.97481.01314.42091.77864.48635.3286
H92.48222.03072.41293.58463.79821.01984.26444.48631.7786
H103.35392.03503.97482.82434.42091.01314.48635.32861.7786

picture of Ethanedithioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S4 122.563 C1 C2 N6 113.015
C1 N5 H7 118.494 C1 N5 H8 119.448
C2 C1 S3 122.563 C2 C1 N5 113.015
C2 N6 H9 118.494 C2 N6 H10 119.448
S3 C1 N5 124.422 S4 C2 N6 124.422
H7 N5 H8 122.057 H9 N6 H10 122.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability