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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-491.977041
Energy at 298.15K-491.980753
HF Energy-491.544082
Nuclear repulsion energy93.986841
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 MP3/6-31G*
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' 3503 3288 0.06      
2 A' 3152 2959 26.21      
3 A' 2765 2595 1.28      
4 A' 1724 1618 114.85      
5 A' 1450 1361 22.67      
6 A' 1255 1178 30.49      
7 A' 975 915 48.72      
8 A' 747 701 65.04      
9 A' 444 416 19.97      
10 A" 1097 1030 4.86      
11 A" 753 707 80.20      
12 A" 364 342 43.91      

Unscaled Zero Point Vibrational Energy (zpe) 9113.9 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 8554.3 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 MP3/6-31G*
ABC
1.91152 0.20173 0.18248

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.244 1.040 0.000
C2 0.000 0.774 0.000
S3 -0.618 -0.878 0.000
H4 1.385 2.053 0.000
H5 -0.810 1.511 0.000
H6 0.602 -1.442 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27242.67311.02312.10732.5638
C21.27241.76421.88491.09422.2972
S32.67311.76423.55002.39621.3443
H41.02311.88493.55002.26063.5821
H52.10731.09422.39622.26063.2731
H62.56382.29721.34433.58213.2731

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 122.534 N1 C2 H5 125.688
C2 N1 H4 109.923 C2 S3 H6 94.323
S3 C2 H5 111.778
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability