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

using model chemistry: CISD/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 CISD/cc-pVTZ
 hartrees
Energy at 0K-492.119478
Energy at 298.15K-492.123235
HF Energy-491.623659
Nuclear repulsion energy94.671822
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 CISD/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' 3618 3364 6.92      
2 A' 3181 2958 23.14      
3 A' 2813 2616 1.60      
4 A' 1754 1631 155.42      
5 A' 1450 1348 27.90      
6 A' 1253 1165 27.12      
7 A' 972 904 51.83      
8 A' 745 693 63.95      
9 A' 439 408 20.36      
10 A" 1132 1053 3.89      
11 A" 768 714 71.05      
12 A" 380 353 35.76      

Unscaled Zero Point Vibrational Energy (zpe) 9252.7 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 8603.1 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 CISD/cc-pVTZ
ABC
1.97140 0.20350 0.18446

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.224 1.051 0.000
C2 0.000 0.769 0.000
S3 -0.607 -0.879 0.000
H4 1.353 2.051 0.000
H5 -0.805 1.494 0.000
H6 0.598 -1.447 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.25612.66021.00912.07742.5749
C21.25611.75601.86481.08412.2948
S32.66021.75603.52582.38161.3319
H41.00911.86483.52582.22963.5791
H52.07741.08412.38162.22963.2588
H62.57492.29481.33193.57913.2588

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 123.198 N1 C2 H5 125.011
C2 N1 H4 110.340 C2 S3 H6 95.011
S3 C2 H5 111.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability