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All results from a given calculation for NH2SH (Thiohydroxylamine)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

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

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-21.616634
Energy at 298.15K-21.620404
HF Energy-21.334696
Nuclear repulsion energy21.125457
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 MP2/CEP-31G*
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' 3535 3356 5.19      
2 A' 2751 2611 19.52      
3 A' 1681 1596 18.86      
4 A' 1052 999 24.43      
5 A' 929 882 66.69      
6 A' 703 667 56.45      
7 A" 3648 3464 12.94      
8 A" 1164 1105 1.00      
9 A" 423 402 90.87      

Unscaled Zero Point Vibrational Energy (zpe) 7942.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 7540.7 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 MP2/CEP-31G*
ABC
4.77198 0.45835 0.44907

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.013 1.129 0.000
S2 0.013 -0.628 0.000
H3 -1.332 -0.768 0.000
H4 0.518 1.454 0.829
H5 0.518 1.454 -0.829

Atom - Atom Distances (Å)
  N1 S2 H3 H4 H5
N11.75642.32541.02431.0243
S21.75641.35252.29702.2970
H32.32541.35253.00843.0084
H41.02432.29703.00841.6586
H51.02432.29703.00841.6586

picture of Thiohydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 S2 H3 95.957 S2 N1 H4 108.509
S2 N1 H5 108.509 H4 N1 H5 108.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-21.614561
Energy at 298.15K-21.618397
HF Energy-21.333783
Nuclear repulsion energy21.179860
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 MP2/CEP-31G*
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' 3538 3359 1.64      
2 A' 2663 2528 71.43      
3 A' 1665 1581 17.27      
4 A' 1046 993 49.39      
5 A' 899 853 33.79      
6 A' 681 647 124.56      
7 A" 3660 3475 12.85      
8 A" 1147 1089 1.35      
9 A" 530 503 5.39      

Unscaled Zero Point Vibrational Energy (zpe) 7914.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 7514.3 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 MP2/CEP-31G*
ABC
4.80368 0.46303 0.45454

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.086 1.118 0.000
S2 0.086 -0.619 0.000
H3 -1.247 -0.908 0.000
H4 -0.365 1.495 0.838
H5 -0.365 1.495 -0.838

Atom - Atom Distances (Å)
  N1 S2 H3 H4 H5
N11.73662.42491.02341.0234
S21.73661.36382.31812.3181
H32.42491.36382.69352.6935
H41.02342.31812.69351.6756
H51.02342.31812.69351.6756

picture of Thiohydroxylamine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 S2 H3 102.242 S2 N1 H4 111.632
S2 N1 H5 111.632 H4 N1 H5 109.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability