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

using model chemistry: MP2/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-492.045114
Energy at 298.15K-492.048794
HF Energy-491.586767
Nuclear repulsion energy93.407644
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/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' 3473 3330 5.49 179.48 0.27 0.42
2 A' 3114 2986 20.11 116.68 0.33 0.50
3 A' 2732 2620 3.27 104.19 0.15 0.27
4 A' 1605 1539 142.75 21.60 0.18 0.31
5 A' 1363 1307 16.57 5.18 0.08 0.14
6 A' 1200 1151 23.80 13.89 0.40 0.57
7 A' 923 885 52.24 4.86 0.20 0.34
8 A' 725 695 68.72 4.29 0.05 0.10
9 A' 423 406 19.41 2.96 0.27 0.42
10 A" 1036 994 1.59 0.53 0.75 0.86
11 A" 727 697 77.30 1.16 0.75 0.86
12 A" 376 360 28.74 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8847.5 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 8484.7 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 MP2/aug-cc-pVDZ
ABC
1.87856 0.19959 0.18042

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.262 1.039 0.000
C2 0.000 0.775 0.000
S3 -0.626 -0.879 0.000
H4 1.394 2.058 0.000
H5 -0.812 1.522 0.000
H6 0.601 -1.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28902.69081.02782.12882.5736
C21.28901.76811.89491.10292.3032
S32.69081.76813.56462.40741.3531
H41.02781.89493.56462.27023.5952
H52.12881.10292.40742.27023.2890
H62.57362.30321.35313.59523.2890

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 122.557 N1 C2 H5 125.564
C2 N1 H4 109.232 C2 S3 H6 94.169
S3 C2 H5 111.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability