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

using model chemistry: B2PLYP=FULLultrafine/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-490.155751
Energy at 298.15K 
HF Energy-490.039885
Nuclear repulsion energy93.654029
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 B2PLYP=FULLultrafine/3-21G*
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' 3324 3324 1.56 227.13 0.31 0.48
2 A' 3078 3078 34.95 104.63 0.47 0.64
3 A' 2731 2731 0.39 91.59 0.34 0.51
4 A' 1622 1622 86.10 5.46 0.26 0.41
5 A' 1397 1397 25.50 11.61 0.19 0.32
6 A' 1215 1215 67.72 18.19 0.75 0.86
7 A' 967 967 55.97 5.95 0.69 0.81
8 A' 690 690 81.76 6.10 0.30 0.46
9 A' 434 434 13.93 3.68 0.49 0.66
10 A" 1094 1094 1.86 0.52 0.75 0.86
11 A" 754 754 91.18 5.66 0.75 0.86
12 A" 404 404 43.33 3.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8854.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8854.3 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 B2PLYP=FULLultrafine/3-21G*
ABC
1.87737 0.20102 0.18158

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.257 1.024 0.000
C2 0.000 0.782 0.000
S3 -0.628 -0.873 0.000
H4 1.477 2.035 0.000
H5 -0.818 1.507 0.000
H6 0.594 -1.430 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28042.67541.03392.13022.5426
C21.28041.77071.93661.09242.2906
S32.67541.77073.59022.38741.3434
H41.03391.93663.59022.35443.5756
H52.13021.09242.38742.35443.2584
H62.54262.29061.34343.57563.2584

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 121.698 N1 C2 H5 127.544
C2 N1 H4 113.166 C2 S3 H6 93.699
S3 C2 H5 110.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability