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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-208.718644
Energy at 298.15K-208.724996
HF Energy-208.032767
Nuclear repulsion energy121.861681
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 CCD/TZVP
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' 3855 3654 52.50      
2 A' 3577 3391 4.74      
3 A' 3191 3025 13.17      
4 A' 3093 2932 6.85      
5 A' 1797 1704 208.91      
6 A' 1520 1441 16.09      
7 A' 1483 1406 56.67      
8 A' 1427 1353 1.71      
9 A' 1307 1239 88.97      
10 A' 1140 1080 176.94      
11 A' 1045 990 48.87      
12 A' 889 843 1.20      
13 A' 564 535 42.29      
14 A' 433 411 2.04      
15 A" 3169 3004 7.35      
16 A" 1496 1418 7.52      
17 A" 1090 1034 3.68      
18 A" 872 827 31.13      
19 A" 584 554 121.23      
20 A" 502 476 34.40      
21 A" 121 115 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 16576.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 15714.7 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 CCD/TZVP
ABC
0.36299 0.31165 0.17308

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.134 0.000
C2 0.919 -1.054 0.000
N3 0.285 1.367 0.000
O4 -1.299 -0.254 0.000
H5 1.959 -0.736 0.000
H6 0.726 -1.665 0.882
H7 0.726 -1.665 -0.882
H8 1.291 1.492 0.000
H9 -1.820 0.557 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50171.26491.35532.14392.13152.13151.87371.8689
C21.50172.50202.35711.08811.09031.09032.57273.1777
N31.26492.50202.26562.68803.18843.18841.01442.2554
O41.35532.35712.26563.29342.62102.62103.12330.9645
H52.14391.08812.68803.29341.77821.77822.32583.9949
H62.13151.09033.18842.62101.77821.76363.32643.4933
H72.13151.09033.18842.62101.77821.76363.32643.4933
H81.87372.57271.01443.12332.32583.32643.32643.2491
H91.86893.17772.25540.96453.99493.49333.49333.2491

picture of Ethaninidic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.737 C1 C2 H6 109.620
C1 C2 H7 109.620 C1 N3 H8 110.096
C1 O4 H9 106.120 C2 C1 N3 129.274
C2 C1 O4 111.079 N3 C1 O4 119.647
H5 C2 H6 109.430 H5 C2 H7 109.430
H6 C2 H7 107.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability