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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-208.572602
Energy at 298.15K-208.579000
HF Energy-207.950961
Nuclear repulsion energy121.375441
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/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' 3742 3541 48.68      
2 A' 3531 3342 1.17      
3 A' 3193 3022 11.78      
4 A' 3095 2930 4.93      
5 A' 1825 1728 191.59      
6 A' 1543 1460 21.22      
7 A' 1504 1424 69.52      
8 A' 1442 1365 1.14      
9 A' 1318 1248 99.97      
10 A' 1152 1091 186.31      
11 A' 1051 995 33.74      
12 A' 899 851 0.76      
13 A' 561 531 42.10      
14 A' 432 409 2.40      
15 A" 3173 3003 6.09      
16 A" 1524 1443 7.71      
17 A" 1104 1045 9.34      
18 A" 888 840 30.53      
19 A" 630 596 151.73      
20 A" 524 496 22.71      
21 A" 134 127 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 16632.7 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 15742.8 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 CCD/6-31G*
ABC
0.36076 0.30932 0.17189

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.134 0.000
C2 0.945 -1.036 0.000
N3 0.249 1.381 0.000
O4 -1.293 -0.289 0.000
H5 1.985 -0.699 0.000
H6 0.763 -1.656 0.884
H7 0.763 -1.656 -0.884
H8 1.256 1.549 0.000
H9 -1.836 0.521 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50361.27171.36002.15262.13712.13711.89201.8763
C21.50362.51512.35881.09331.09531.09532.60333.1870
N31.27172.51512.27262.70943.20463.20461.02112.2549
O41.36002.35882.27263.30312.62212.62213.14210.9755
H52.15261.09332.70943.30311.78651.78652.36304.0109
H62.13711.09533.20462.62211.78651.76873.36093.5037
H72.13711.09533.20462.62211.78651.76873.36093.5037
H81.89202.60331.02113.14212.36303.36093.36093.2581
H91.87633.18702.25490.97554.01093.50373.50373.2581

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 110.982 C1 C2 H6 109.630
C1 C2 H7 109.630 C1 N3 H8 110.737
C1 O4 H9 105.729 C2 C1 N3 129.790
C2 C1 O4 110.819 N3 C1 O4 119.392
H5 C2 H6 109.425 H5 C2 H7 109.425
H6 C2 H7 107.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability