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

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-492.044038
Energy at 298.15K-492.047725
HF Energy-491.576792
Nuclear repulsion energy93.324718
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 QCISD/cc-pVDZ
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' 3470 3329 0.14      
2 A' 3097 2971 32.35      
3 A' 2737 2626 0.06      
4 A' 1679 1611 117.58      
5 A' 1396 1340 25.84      
6 A' 1219 1170 26.37      
7 A' 940 902 41.14      
8 A' 719 690 56.81      
9 A' 425 407 17.28      
10 A" 1067 1024 3.61      
11 A" 732 702 63.32      
12 A" 374 358 36.48      

Unscaled Zero Point Vibrational Energy (zpe) 8926.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8563.8 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 QCISD/cc-pVDZ
ABC
1.87869 0.19905 0.17998

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.253 1.047 0.000
C2 0.000 0.781 0.000
S3 -0.621 -0.886 0.000
H4 1.372 2.070 0.000
H5 -0.821 1.523 0.000
H6 0.613 -1.440 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28052.69181.03012.12782.5681
C21.28051.77891.88251.10662.3045
S32.69181.77893.56502.41701.3528
H41.03011.88253.56502.26063.5915
H52.12781.10662.41702.26063.2920
H62.56812.30451.35283.59153.2920

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 122.408 N1 C2 H5 125.940
C2 N1 H4 108.636 C2 S3 H6 93.763
S3 C2 H5 111.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability