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

using model chemistry: MP2/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 MP2/cc-pVTZ
 hartrees
Energy at 0K-492.165450
Energy at 298.15K-492.169163
HF Energy-491.622031
Nuclear repulsion energy94.242904
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/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' 3495 3319 5.77 177.62 0.29 0.45
2 A' 3110 2953 23.23 113.06 0.35 0.52
3 A' 2753 2614 3.92 95.54 0.23 0.37
4 A' 1629 1546 121.98 11.87 0.23 0.37
5 A' 1380 1311 19.90 6.11 0.07 0.13
6 A' 1203 1142 28.77 11.54 0.51 0.67
7 A' 929 882 51.44 3.60 0.41 0.58
8 A' 727 690 65.93 3.21 0.13 0.23
9 A' 426 404 19.22 2.67 0.37 0.54
10 A" 1068 1014 2.40 0.49 0.75 0.86
11 A" 741 704 71.07 2.17 0.75 0.86
12 A" 393 373 32.98 1.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8926.7 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 8475.9 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/cc-pVTZ
ABC
1.92295 0.20280 0.18345

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.246 1.035 0.000
C2 0.000 0.769 0.000
S3 -0.618 -0.874 0.000
H4 1.374 2.047 0.000
H5 -0.806 1.503 0.000
H6 0.601 -1.427 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27452.66891.01932.10552.5455
C21.27451.75571.87591.09052.2771
S32.66891.75573.53532.38481.3391
H41.01931.87593.53532.24683.5585
H52.10551.09052.38482.24683.2509
H62.54552.27711.33913.55853.2509

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 122.673 N1 C2 H5 125.632
C2 N1 H4 109.228 C2 S3 H6 93.772
S3 C2 H5 111.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability