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

using model chemistry: MP4/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/Def2TZVPP
 hartrees
Energy at 0K-208.884875
Energy at 298.15K-208.891202
HF Energy-208.047930
Nuclear repulsion energy121.480418
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 MP4/Def2TZVPP
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' 3757 3757        
2 A' 3524 3524        
3 A' 3159 3159        
4 A' 3059 3059        
5 A' 1717 1717        
6 A' 1490 1490        
7 A' 1446 1446        
8 A' 1390 1390        
9 A' 1259 1259        
10 A' 1109 1109        
11 A' 1014 1014        
12 A' 871 871        
13 A' 545 545        
14 A' 417 417        
15 A" 3134 3134        
16 A" 1480 1480        
17 A" 1065 1065        
18 A" 850 850        
19 A" 615 615        
20 A" 516 516        
21 A" 128 128        

Unscaled Zero Point Vibrational Energy (zpe) 16272.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16272.6 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 MP4/Def2TZVPP
ABC
0.36068 0.30984 0.17198

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.934 -1.045 0.000
N3 0.266 1.379 0.000
O4 -1.298 -0.274 0.000
H5 1.971 -0.714 0.000
H6 0.748 -1.661 0.881
H7 0.748 -1.661 -0.881
H8 1.273 1.518 0.000
H9 -1.819 0.542 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50151.27571.35972.14422.13232.13231.88221.8648
C21.50152.51382.36121.08841.09091.09092.58493.1773
N31.27572.51382.27522.69933.20133.20131.01632.2465
O41.35972.36122.27523.29822.62432.62433.13340.9679
H52.14421.08842.69933.29821.77971.77972.33863.9924
H62.13231.09093.20132.62431.77971.76153.34013.4955
H72.13231.09093.20132.62431.77971.76153.34013.4955
H81.88222.58491.01633.13342.33863.34013.34013.2419
H91.86483.17732.24650.96793.99243.49553.49553.2419

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 110.768 C1 C2 H6 109.665
C1 C2 H7 109.665 C1 N3 H8 109.898
C1 O4 H9 105.243 C2 C1 N3 129.515
C2 C1 O4 111.136 N3 C1 O4 119.349
H5 C2 H6 109.502 H5 C2 H7 109.502
H6 C2 H7 107.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability