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

using model chemistry: MP2=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-491.972687
Energy at 298.15K-491.976414
HF Energy-491.543367
Nuclear repulsion energy94.077142
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=FULL/6-31G*
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' 3485 3283 0.72 169.30 0.32 0.48
2 A' 3142 2960 27.79 96.70 0.39 0.57
3 A' 2783 2623 0.38 98.63 0.35 0.52
4 A' 1659 1563 107.92 7.62 0.25 0.40
5 A' 1422 1340 18.00 7.99 0.17 0.29
6 A' 1234 1163 33.37 16.71 0.68 0.81
7 A' 968 912 51.90 6.02 0.68 0.81
8 A' 750 707 70.94 2.73 0.26 0.41
9 A' 442 417 19.66 2.69 0.46 0.63
10 A" 1080 1018 3.67 0.58 0.75 0.86
11 A" 752 709 82.06 4.78 0.75 0.86
12 A" 386 364 44.67 1.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9052.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 8529.0 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=FULL/6-31G*
ABC
1.89764 0.20277 0.18319

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.254 1.027 0.000
C2 0.000 0.771 0.000
S3 -0.623 -0.870 0.000
H4 1.399 2.041 0.000
H5 -0.809 1.509 0.000
H6 0.594 -1.437 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28002.66881.02492.11882.5507
C21.28001.75571.88951.09502.2865
S32.66881.75573.54472.38681.3422
H41.02491.88953.54472.27093.5702
H52.11881.09502.38682.27093.2631
H62.55072.28651.34223.57023.2631

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 122.301 N1 C2 H5 126.102
C2 N1 H4 109.628 C2 S3 H6 94.189
S3 C2 H5 111.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability