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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-492.001960
Energy at 298.15K-492.005689
HF Energy-491.553179
Nuclear repulsion energy94.199165
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' 3549 3316 0.46 167.79 0.31 0.48
2 A' 3166 2959 29.35 95.44 0.39 0.56
3 A' 2834 2648 0.12 97.18 0.33 0.50
4 A' 1663 1554 109.86 7.70 0.24 0.39
5 A' 1420 1327 15.81 8.28 0.17 0.29
6 A' 1228 1148 30.66 16.27 0.69 0.81
7 A' 971 907 54.05 5.42 0.68 0.81
8 A' 750 701 68.24 2.68 0.24 0.39
9 A' 439 411 18.83 2.65 0.46 0.63
10 A" 1085 1014 3.55 0.56 0.75 0.86
11 A" 752 703 75.20 4.74 0.75 0.86
12 A" 382 357 40.28 1.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9119.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8521.2 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
1.91111 0.20280 0.18334

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 1.253 1.030 0.000
C2 0.000 0.770 0.000
S3 -0.621 -0.872 0.000
H4 1.385 2.041 0.000
H5 -0.806 1.504 0.000
H6 0.588 -1.430 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27942.66941.01992.11292.5476
C21.27941.75541.87921.09022.2775
S32.66941.75543.53632.38321.3319
H41.01991.87923.53632.25533.5610
H52.11291.09022.38322.25533.2487
H62.54762.27751.33193.56103.2487

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 122.406 N1 C2 H5 125.986
C2 N1 H4 109.109 C2 S3 H6 94.065
S3 C2 H5 111.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability