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All results from a given calculation for NH2SH (Thiohydroxylamine)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS trans 1A'
1 2 yes CS cis 1A'

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-451.780998
Energy at 298.15K-451.784658
HF Energy-451.526664
Nuclear repulsion energy57.685072
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 A' 3475 3340 4.14      
2 A' 2633 2531 54.27      
3 A' 1729 1662 10.59      
4 A' 1076 1034 4.96      
5 A' 879 845 40.56      
6 A' 395 380 214.74      
7 A" 3588 3449 10.74      
8 A" 1154 1109 4.42      
9 A" 558 536 47.01      

Unscaled Zero Point Vibrational Energy (zpe) 7743.5 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 7442.3 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/3-21G*
ABC
5.03456 0.47019 0.46485

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.024 1.095 0.000
S2 0.024 -0.617 0.000
H3 -1.307 -0.841 0.000
H4 0.375 1.523 0.853
H5 0.375 1.523 -0.853

Atom - Atom Distances (Å)
  N1 S2 H3 H4 H5
N11.71162.34971.01721.0172
S21.71161.35032.33002.3300
H32.34971.35033.02453.0245
H41.01722.33003.02451.7069
H51.01722.33003.02451.7069

picture of Thiohydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 S2 H3 99.569 S2 N1 H4 114.874
S2 N1 H5 114.874 H4 N1 H5 114.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-451.781193
Energy at 298.15K-451.784925
HF Energy-451.527616
Nuclear repulsion energy58.069628
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 A' 3495 3359 1.08      
2 A' 2525 2427 117.75      
3 A' 1721 1654 4.10      
4 A' 1062 1021 44.96      
5 A' 887 852 18.16      
6 A' 410 394 347.32      
7 A" 3614 3473 12.99      
8 A" 1135 1091 6.91      
9 A" 660 635 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 7754.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 7453.2 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
5.10685 0.47721 0.47288

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.070 1.079 0.000
S2 0.070 -0.608 0.000
H3 -1.252 -0.943 0.000
H4 -0.180 1.558 0.859
H5 -0.180 1.558 -0.859

Atom - Atom Distances (Å)
  N1 S2 H3 H4 H5
N11.68742.41541.01511.0151
S21.68741.36322.34402.3440
H32.41541.36322.85342.8534
H41.01512.34402.85341.7188
H51.01512.34402.85341.7188

picture of Thiohydroxylamine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 S2 H3 104.200 S2 N1 H4 118.159
S2 N1 H5 118.159 H4 N1 H5 115.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability