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

using model chemistry: MP2=FULL/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-492.114154
Energy at 298.15K-492.117876
HF Energy-491.566918
Nuclear repulsion energy94.484667
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(2df,p)
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' 3535 3323 6.67 153.17 0.31 0.47
2 A' 3142 2953 20.55 88.83 0.38 0.55
3 A' 2782 2615 5.22 84.23 0.28 0.44
4 A' 1646 1547 112.37 9.98 0.25 0.40
5 A' 1384 1301 18.33 6.40 0.13 0.22
6 A' 1203 1130 32.87 13.09 0.64 0.78
7 A' 938 881 50.13 4.01 0.53 0.69
8 A' 742 697 66.07 3.55 0.15 0.27
9 A' 428 402 20.52 2.29 0.41 0.58
10 A" 1076 1011 3.81 0.55 0.75 0.86
11 A" 749 704 67.32 3.58 0.75 0.86
12 A" 397 373 34.74 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9009.7 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 8468.2 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(2df,p)
ABC
1.91980 0.20434 0.18468

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.247 1.026 0.000
C2 0.000 0.767 0.000
S3 -0.619 -0.868 0.000
H4 1.383 2.036 0.000
H5 -0.807 1.502 0.000
H6 0.597 -1.426 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27352.65891.01912.10832.5368
C21.27351.74871.87691.09122.2729
S32.65891.74873.52742.37751.3372
H41.01911.87693.52742.25433.5502
H52.10831.09122.37752.25433.2468
H62.53682.27291.33723.55023.2468

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 122.455 N1 C2 H5 125.963
C2 N1 H4 109.409 C2 S3 H6 93.923
S3 C2 H5 111.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability