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

using model chemistry: MP2/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-492.179977
Energy at 298.15K-492.183664
HF Energy-491.624617
Nuclear repulsion energy94.232105
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/daug-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' 3491 3491 8.62 178.57 0.26 0.41
2 A' 3104 3104 17.82 113.17 0.33 0.49
3 A' 2745 2745 5.50 102.78 0.15 0.26
4 A' 1614 1614 141.92 23.38 0.19 0.32
5 A' 1371 1371 17.34 5.08 0.09 0.16
6 A' 1198 1198 25.09 12.92 0.35 0.52
7 A' 929 929 54.41 4.99 0.15 0.27
8 A' 728 728 68.38 4.44 0.04 0.07
9 A' 426 426 19.62 2.65 0.29 0.45
10 A" 1052 1052 1.62 0.45 0.75 0.86
11 A" 734 734 74.70 1.12 0.75 0.86
12 A" 384 384 27.60 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8888.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8888.4 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/daug-cc-pVTZ
ABC
1.91946 0.20290 0.18350

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.249 1.032 0.000
C2 0.000 0.768 0.000
S3 -0.620 -0.872 0.000
H4 1.386 2.043 0.000
H5 -0.802 1.508 0.000
H6 0.597 -1.433 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27622.66811.01972.10542.5496
C21.27621.75381.88291.09112.2806
S32.66811.75383.53862.38681.3403
H41.01971.88293.53862.25303.5638
H52.10541.09112.38682.25303.2565
H62.54962.28061.34033.56383.2565

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 122.645 N1 C2 H5 125.402
C2 N1 H4 109.692 C2 S3 H6 94.017
S3 C2 H5 111.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability