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All results from a given calculation for C2H4N2S2 (Ethanedithioamide)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-977.952825
Energy at 298.15K-977.959175
HF Energy-977.264241
Nuclear repulsion energy334.215754
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/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 3598 3458 0.00      
2 Ag 3427 3294 0.00      
3 Ag 1688 1622 0.00      
4 Ag 1439 1383 0.00      
5 Ag 1341 1289 0.00      
6 Ag 936 900 0.00      
7 Ag 650 625 0.00      
8 Ag 427 411 0.00      
9 Ag 338 325 0.00      
10 Au 742 713 544.58      
11 Au 664 638 8.59      
12 Au 395 380 21.37      
13 Au 53 51 14.97      
14 Bg 755 725 0.00      
15 Bg 685 658 0.00      
16 Bg 656 631 0.00      
17 Bu 3599 3459 167.79      
18 Bu 3434 3300 283.40      
19 Bu 1672 1607 375.71      
20 Bu 1423 1368 438.66      
21 Bu 1287 1237 124.42      
22 Bu 865 831 81.97      
23 Bu 472 454 1.79      
24 Bu 295 283 26.97      

Unscaled Zero Point Vibrational Energy (zpe) 15420.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 14820.5 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/3-21G*
ABC
0.14696 0.05253 0.03870

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 0.780 0.000
C2 0.050 -0.780 0.000
S3 1.309 1.755 0.000
S4 -1.309 -1.755 0.000
N5 -1.309 1.232 0.000
N6 1.309 -1.232 0.000
H7 -2.082 0.561 0.000
H8 -1.485 2.233 0.000
H9 2.082 -0.561 0.000
H10 1.485 -2.233 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 S4 N5 N6 H7 H8 H9 H10
C11.56351.67252.83101.33832.42782.04422.04202.51843.3812
C21.56352.83101.67252.42781.33832.51843.38122.04422.0420
S31.67252.83104.37942.67082.98663.59552.83472.44143.9917
S42.83101.67254.37942.98662.67082.44143.99173.59552.8347
N51.33832.42782.67082.98663.59531.02301.01653.83614.4508
N62.42781.33832.98662.67083.59533.83614.45081.02301.0165
H72.04422.51843.59552.44141.02303.83611.77544.31254.5306
H82.04203.38122.83473.99171.01654.45081.77544.53065.3628
H92.51842.04422.44143.59553.83611.02304.31254.53061.7754
H103.38122.04203.99172.83474.45081.01654.53065.36281.7754

picture of Ethanedithioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S4 122.012 C1 C2 N6 113.351
C1 N5 H7 119.325 C1 N5 H8 119.637
C2 C1 S3 122.012 C2 C1 N5 113.351
C2 N6 H9 119.325 C2 N6 H10 119.637
S3 C1 N5 124.637 S4 C2 N6 124.637
H7 N5 H8 121.037 H9 N6 H10 121.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability