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

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-491.743673
Energy at 298.15K-491.747254
HF Energy-491.454474
Nuclear repulsion energy91.226122
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/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' 3386 3263 3.45      
2 A' 3098 2985 27.32      
3 A' 2452 2363 15.76      
4 A' 1635 1576 103.22      
5 A' 1391 1341 21.22      
6 A' 1185 1142 69.76      
7 A' 904 871 53.80      
8 A' 649 625 70.81      
9 A' 418 403 13.85      
10 A" 1075 1036 4.25      
11 A" 735 708 105.90      
12 A" 331 319 56.11      

Unscaled Zero Point Vibrational Energy (zpe) 8629.4 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 8315.3 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 QCISD/6-31G
ABC
1.80805 0.18902 0.17113

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.263 1.079 0.000
C2 0.000 0.822 0.000
S3 -0.633 -0.914 0.000
H4 1.497 2.083 0.000
H5 -0.829 1.540 0.000
H6 0.625 -1.490 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28902.75061.03142.14302.6467
C21.28901.84771.95751.09722.3953
S32.75061.84773.67692.46181.3845
H41.03141.95753.67692.38923.6780
H52.14301.09722.46182.38923.3616
H62.64672.39531.38453.67803.3616

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 121.525 N1 C2 H5 127.633
C2 N1 H4 114.595 C2 S3 H6 94.561
S3 C2 H5 110.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability