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All results from a given calculation for C2H4N2S2 (Ethanedithioamide)

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

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/6-31G(2df,p)
 hartrees
Energy at 0K-983.090491
Energy at 298.15K-983.096627
HF Energy-982.026805
Nuclear repulsion energy337.687268
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/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3754 3557 0.00      
2 Ag 3573 3385 0.00      
3 Ag 1661 1574 0.00      
4 Ag 1465 1388 0.00      
5 Ag 1371 1299 0.00      
6 Ag 983 931 0.00      
7 Ag 683 647 0.00      
8 Ag 419 397 0.00      
9 Ag 337 319 0.00      
10 Au 674 639 1.53      
11 Au 538 510 288.77      
12 Au 399 378 41.60      
13 Au 39 37 10.66      
14 Bg 739 700 0.00      
15 Bg 669 634 0.00      
16 Bg 512 485 0.00      
17 Bu 3756 3558 222.08      
18 Bu 3581 3392 276.40      
19 Bu 1627 1541 494.25      
20 Bu 1458 1381 353.56      
21 Bu 1253 1187 125.50      
22 Bu 882 835 68.86      
23 Bu 461 436 0.61      
24 Bu 286 271 27.76      

Unscaled Zero Point Vibrational Energy (zpe) 15558.7 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 14740.3 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/6-31G(2df,p)
ABC
0.15078 0.05349 0.03948

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 0.766 0.000
C2 0.048 -0.766 0.000
S3 1.296 1.741 0.000
S4 -1.296 -1.741 0.000
N5 -1.296 1.213 0.000
N6 1.296 -1.213 0.000
H7 -2.056 0.546 0.000
H8 -1.466 2.204 0.000
H9 2.056 -0.546 0.000
H10 1.466 -2.204 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 S4 N5 N6 H7 H8 H9 H10
C11.53501.66072.80081.32572.39252.01992.01912.47983.3334
C21.53502.80081.66072.39251.32572.47983.33342.01992.0191
S31.66072.80084.34142.64532.95463.55872.80002.41073.9490
S42.80081.66074.34142.95462.64532.41073.94903.55872.8000
N51.32572.39252.64532.95463.55071.01111.00513.78594.3936
N62.39251.32572.95462.64533.55073.78594.39361.01111.0051
H72.01992.47983.55872.41071.01113.78591.75964.25484.4683
H82.01913.33342.80003.94901.00514.39361.75964.46835.2935
H92.47982.01992.41073.55873.78591.01114.25484.46831.7596
H103.33342.01913.94902.80004.39361.00514.46835.29351.7596

picture of Ethanedithioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S4 122.375 C1 C2 N6 113.308
C1 N5 H7 119.015 C1 N5 H8 119.424
C2 C1 S3 122.375 C2 C1 N5 113.308
C2 N6 H9 119.015 C2 N6 H10 119.424
S3 C1 N5 124.317 S4 C2 N6 124.317
H7 N5 H8 121.561 H9 N6 H10 121.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability