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

using model chemistry: MP2/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 MP2/TZVP
 hartrees
Energy at 0K-208.698632
Energy at 298.15K-208.704940
HF Energy-208.031861
Nuclear repulsion energy121.693450
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 MP2/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' 3783 3586 57.84      
2 A' 3568 3382 6.16      
3 A' 3213 3045 9.54      
4 A' 3104 2943 5.60      
5 A' 1739 1648 182.82      
6 A' 1512 1433 19.67      
7 A' 1462 1385 59.33      
8 A' 1408 1335 3.88      
9 A' 1273 1206 88.10      
10 A' 1117 1059 168.17      
11 A' 1033 979 54.91      
12 A' 883 837 1.14      
13 A' 555 526 42.96      
14 A' 430 407 2.12      
15 A" 3191 3025 4.39      
16 A" 1489 1411 8.83      
17 A" 1078 1022 3.07      
18 A" 846 802 27.73      
19 A" 588 557 137.14      
20 A" 499 473 18.63      
21 A" 112 106 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 16440.6 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 15584.1 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 MP2/TZVP
ABC
0.36212 0.31106 0.17269

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.940 -1.035 0.000
N3 0.252 1.379 0.000
O4 -1.292 -0.286 0.000
H5 1.973 -0.696 0.000
H6 0.761 -1.650 0.881
H7 0.761 -1.650 -0.881
H8 1.257 1.526 0.000
H9 -1.824 0.525 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49791.27281.35772.13972.12802.12801.87761.8658
C21.49792.50972.35471.08701.08921.08922.57993.1739
N31.27282.50972.27062.69583.19523.19521.01582.2446
O41.35772.35472.27063.29102.61792.61793.12740.9697
H52.13971.08702.69583.29101.77621.77622.33423.9886
H62.12801.08923.19522.61791.77621.76153.33273.4914
H72.12801.08923.19522.61791.77621.76153.33273.4914
H81.87762.57991.01583.12742.33423.33273.33273.2395
H91.86583.17392.24460.96973.98863.49143.49143.2395

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 110.732 C1 C2 H6 109.666
C1 C2 H7 109.666 C1 N3 H8 109.739
C1 O4 H9 105.364 C2 C1 N3 129.685
C2 C1 O4 111.001 N3 C1 O4 119.314
H5 C2 H6 109.405 H5 C2 H7 109.405
H6 C2 H7 107.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability