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

using model chemistry: MP2/daug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-492.047697
Energy at 298.15K-492.051378
HF Energy-491.587657
Nuclear repulsion energy93.411653
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-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' 3471 3471 5.66 182.63 0.26 0.41
2 A' 3110 3110 20.31 116.32 0.33 0.50
3 A' 2731 2731 3.31 108.18 0.15 0.26
4 A' 1604 1604 142.29 22.10 0.18 0.31
5 A' 1365 1365 15.79 5.41 0.09 0.17
6 A' 1199 1199 24.12 13.64 0.36 0.53
7 A' 923 923 52.07 5.43 0.17 0.29
8 A' 725 725 68.62 4.81 0.04 0.08
9 A' 423 423 19.27 2.84 0.28 0.44
10 A" 1037 1037 1.64 0.44 0.75 0.86
11 A" 724 724 75.55 1.16 0.75 0.86
12 A" 374 374 27.79 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8843.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8843.0 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-pVDZ
ABC
1.87998 0.19957 0.18041

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.261 1.040 0.000
C2 0.000 0.775 0.000
S3 -0.626 -0.879 0.000
H4 1.393 2.059 0.000
H5 -0.810 1.522 0.000
H6 0.601 -1.449 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28902.69101.02772.12722.5745
C21.28901.76801.89461.10222.3035
S32.69101.76803.56452.40761.3530
H41.02771.89463.56452.26813.5959
H52.12721.10222.40762.26813.2890
H62.57452.30351.35303.59593.2890

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 122.582 N1 C2 H5 125.477
C2 N1 H4 109.221 C2 S3 H6 94.191
S3 C2 H5 111.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability