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 NH2SH (Thiohydroxylamine)

using model chemistry: QCISD(T)/aug-cc-pVDZ

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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-454.088834
Energy at 298.15K-454.092539
HF Energy-453.713890
Nuclear repulsion energy56.473377
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(T)/aug-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 A' 3465 3388        
2 A' 2664 2605        
3 A' 1605 1569        
4 A' 1025 1002        
5 A' 903 883        
6 A' 656 642        
7 A" 3563 3484        
8 A" 1131 1106        
9 A" 377 369        

Unscaled Zero Point Vibrational Energy (zpe) 7694.6 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 7523.8 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(T)/aug-cc-pVDZ
ABC
4.73512 0.45076 0.44099

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.012 1.142 0.000
S2 0.012 -0.633 0.000
H3 -1.339 -0.767 0.000
H4 0.535 1.451 0.823
H5 0.535 1.451 -0.823

Atom - Atom Distances (Å)
  N1 S2 H3 H4 H5
N11.77552.33891.02331.0233
S21.77551.35732.30112.3011
H32.33891.35733.01843.0184
H41.02332.30113.01841.6465
H51.02332.30113.01841.6465

picture of Thiohydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 S2 H3 95.667 S2 N1 H4 107.550
S2 N1 H5 107.550 H4 N1 H5 107.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-454.087842
Energy at 298.15K-454.091609
HF Energy-453.713808
Nuclear repulsion energy56.638971
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(T)/aug-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 A' 3470 3393        
2 A' 2592 2535        
3 A' 1592 1557        
4 A' 1007 984        
5 A' 877 858        
6 A' 639 625        
7 A" 3577 3497        
8 A" 1117 1092        
9 A" 467 456        

Unscaled Zero Point Vibrational Energy (zpe) 7668.4 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 7498.1 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(T)/aug-cc-pVDZ
ABC
4.74435 0.45398 0.44464

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

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability