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

using model chemistry: MP2/aug-cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-492.222165
Energy at 298.15K-492.225872
HF Energy-491.634573
Nuclear repulsion energy94.474068
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-pVQZ
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' 3502 3326 9.57 175.63 0.26 0.41
2 A' 3109 2952 17.45 113.24 0.32 0.49
3 A' 2747 2609 6.52 101.01 0.15 0.26
4 A' 1619 1538 141.69 24.17 0.19 0.32
5 A' 1374 1305 17.68 4.89 0.09 0.16
6 A' 1197 1137 25.30 12.86 0.35 0.52
7 A' 931 884 55.79 4.79 0.15 0.27
8 A' 732 695 68.21 4.09 0.04 0.07
9 A' 427 406 19.87 2.61 0.28 0.44
10 A" 1057 1004 1.65 0.44 0.75 0.86
11 A" 737 700 75.08 1.12 0.75 0.86
12 A" 389 370 27.65 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8910.9 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 8462.6 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-pVQZ
ABC
1.92711 0.20407 0.18453

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.246 1.028 0.000
C2 0.000 0.766 0.000
S3 -0.619 -0.869 0.000
H4 1.387 2.036 0.000
H5 -0.800 1.506 0.000
H6 0.596 -1.429 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27352.66051.01792.10122.5414
C21.27351.74801.88091.09022.2740
S32.66051.74803.53062.38221.3381
H41.01791.88093.53062.25023.5541
H52.10121.09022.38222.25023.2503
H62.54142.27401.33813.55413.2503

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 122.636 N1 C2 H5 125.312
C2 N1 H4 109.845 C2 S3 H6 93.984
S3 C2 H5 112.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability