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All results from a given calculation for NHCHSH (Methanimidothioic acid)

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-492.205241
Energy at 298.15K-492.208931
HF Energy-491.625084
Nuclear repulsion energy94.092738
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/aug-cc-pVTZ
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' 3503 3371 4.78      
2 A' 3102 2986 19.38      
3 A' 2719 2617 1.70      
4 A' 1667 1604 148.51      
5 A' 1398 1345 22.79      
6 A' 1220 1174 24.47      
7 A' 944 908 50.84      
8 A' 723 696 62.92      
9 A' 427 411 19.20      
10 A" 1072 1032 2.68      
11 A" 737 709 71.53      
12 A" 365 351 27.80      

Unscaled Zero Point Vibrational Energy (zpe) 8937.7 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 8601.7 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 QCISD/aug-cc-pVTZ
ABC
1.93364 0.20155 0.18252

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.239 1.047 0.000
C2 0.000 0.772 0.000
S3 -0.615 -0.880 0.000
H4 1.374 2.056 0.000
H5 -0.805 1.507 0.000
H6 0.601 -1.446 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26942.67451.01752.09562.5738
C21.26941.76291.88051.09042.2983
S32.67451.76293.54632.39471.3419
H41.01751.88053.54632.24743.5863
H52.09561.09042.39472.24743.2712
H62.57382.29831.34193.58633.2712

picture of Methanimidothioic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 122.948 N1 C2 H5 125.086
C2 N1 H4 110.141 C2 S3 H6 94.532
S3 C2 H5 111.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability