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

using model chemistry: MP2/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-208.838785
Energy at 298.15K-208.845141
HF Energy-208.043503
Nuclear repulsion energy121.775583
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/daug-cc-pVTZ
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' 3748 3748 65.15      
2 A' 3550 3550 9.90      
3 A' 3200 3200 6.22      
4 A' 3088 3088 4.03      
5 A' 1726 1726 199.30      
6 A' 1502 1502 21.88      
7 A' 1447 1447 68.13      
8 A' 1392 1392 4.25      
9 A' 1252 1252 85.59      
10 A' 1108 1108 171.34      
11 A' 1024 1024 44.88      
12 A' 882 882 0.95      
13 A' 548 548 39.91      
14 A' 423 423 1.79      
15 A" 3172 3172 2.36      
16 A" 1494 1494 8.58      
17 A" 1073 1073 3.58      
18 A" 850 850 25.16      
19 A" 622 622 112.13      
20 A" 526 526 20.32      
21 A" 135 135 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 16379.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16379.6 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 MP2/daug-cc-pVTZ
ABC
0.36248 0.31172 0.17295

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.938 -1.035 0.000
N3 0.255 1.378 0.000
O4 -1.291 -0.284 0.000
H5 1.971 -0.700 0.000
H6 0.754 -1.651 0.879
H7 0.754 -1.651 -0.879
H8 1.258 1.533 0.000
H9 -1.823 0.528 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49541.27381.35532.13802.12402.12401.88501.8655
C21.49542.50752.35211.08581.08881.08882.58803.1722
N31.27382.50752.26902.69423.19283.19281.01552.2445
O41.35532.35212.26903.28792.61232.61233.13020.9699
H52.13801.08582.69423.28791.77691.77692.34353.9868
H62.12401.08883.19282.61231.77691.75773.34133.4868
H72.12401.08883.19282.61231.77691.75773.34133.4868
H81.88502.58801.01553.13022.34353.34133.34133.2408
H91.86553.17222.24450.96993.98683.48683.48683.2408

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 110.853 C1 C2 H6 109.549
C1 C2 H7 109.549 C1 N3 H8 110.341
C1 O4 H9 105.501 C2 C1 N3 129.612
C2 C1 O4 111.103 N3 C1 O4 119.285
H5 C2 H6 109.593 H5 C2 H7 109.593
H6 C2 H7 107.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability