return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-492.254676
Energy at 298.15K-492.258409
HF Energy-491.623372
Nuclear repulsion energy94.561370
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=FULL/cc-pVTZ
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' 3560 3320 4.78      
2 A' 3156 2943 21.01      
3 A' 2751 2565 1.44      
4 A' 1722 1606 136.45      
5 A' 1431 1334 23.20      
6 A' 1236 1153 28.09      
7 A' 952 888 49.16      
8 A' 730 681 62.40      
9 A' 432 403 19.64      
10 A" 1114 1039 2.78      
11 A" 758 707 71.49      
12 A" 381 355 33.37      

Unscaled Zero Point Vibrational Energy (zpe) 9111.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 8497.4 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=FULL/cc-pVTZ
ABC
1.96322 0.20320 0.18414

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.228 1.048 0.000
C2 0.000 0.769 0.000
S3 -0.610 -0.879 0.000
H4 1.356 2.052 0.000
H5 -0.804 1.493 0.000
H6 0.604 -1.436 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.25972.66311.01222.08082.5611
C21.25971.75721.86701.08212.2863
S32.66311.75723.52932.38011.3357
H41.01221.86703.52932.23163.5681
H52.08081.08212.38012.23163.2501
H62.56112.28631.33573.56813.2501

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 123.095 N1 C2 H5 125.210
C2 N1 H4 110.045 C2 S3 H6 94.339
S3 C2 H5 111.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability