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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-492.011596
Energy at 298.15K-492.015305
HF Energy-491.576336
Nuclear repulsion energy93.538498
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-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' 3477 3311 1.13 191.39 0.31 0.47
2 A' 3112 2964 30.41 121.11 0.36 0.53
3 A' 2771 2639 0.94 104.24 0.27 0.43
4 A' 1639 1561 110.65 7.04 0.22 0.36
5 A' 1378 1313 20.04 5.71 0.11 0.19
6 A' 1204 1147 28.16 13.86 0.59 0.74
7 A' 931 886 43.32 4.82 0.58 0.73
8 A' 728 694 63.79 3.21 0.23 0.38
9 A' 426 406 18.01 2.75 0.43 0.60
10 A" 1058 1008 2.60 0.68 0.75 0.86
11 A" 736 701 66.63 3.23 0.75 0.86
12 A" 394 376 38.61 4.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8927.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 8503.0 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/cc-pVDZ
ABC
1.87151 0.20056 0.18115

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.259 1.034 0.000
C2 0.000 0.777 0.000
S3 -0.624 -0.878 0.000
H4 1.378 2.058 0.000
H5 -0.819 1.520 0.000
H6 0.609 -1.427 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28522.68401.03052.13402.5458
C21.28521.76931.88091.10562.2873
S32.68401.76933.55342.40661.3500
H41.03051.88093.55342.26103.5688
H52.13401.10562.40662.26103.2754
H62.54582.28731.35003.56883.2754

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 122.176 N1 C2 H5 126.240
C2 N1 H4 108.125 C2 S3 H6 93.346
S3 C2 H5 111.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability