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

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-208.904251
Energy at 298.15K-208.910646
HF Energy-208.038760
Nuclear repulsion energy122.152508
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=FULL/6-311+G(3df,2p)
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' 3788 3571 68.23      
2 A' 3583 3377 10.76      
3 A' 3215 3031 6.06      
4 A' 3102 2924 3.81      
5 A' 1743 1643 206.15      
6 A' 1506 1420 21.37      
7 A' 1454 1371 72.85      
8 A' 1396 1316 4.79      
9 A' 1254 1182 90.94      
10 A' 1108 1044 172.08      
11 A' 1027 968 39.44      
12 A' 891 840 1.00      
13 A' 554 522 41.06      
14 A' 426 401 1.87      
15 A" 3186 3003 2.30      
16 A" 1497 1411 9.18      
17 A" 1073 1012 4.38      
18 A" 854 805 24.09      
19 A" 628 592 119.81      
20 A" 529 499 20.22      
21 A" 139 131 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 16475.0 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 15531.0 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=FULL/6-311+G(3df,2p)
ABC
0.36499 0.31348 0.17404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
C2 0.922 -1.043 0.000
N3 0.271 1.369 0.000
O4 -1.289 -0.266 0.000
H5 1.958 -0.724 0.000
H6 0.733 -1.657 0.877
H7 0.733 -1.657 -0.877
H8 1.274 1.518 0.000
H9 -1.814 0.546 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49151.26981.34842.13592.12032.12031.88491.8617
C21.49152.49902.34451.08391.08701.08702.58543.1647
N31.26982.49902.26022.68863.18473.18471.01362.2422
O41.34842.34452.26023.27982.60662.60663.12280.9666
H52.13591.08392.68863.27981.77241.77242.34433.9806
H62.12031.08703.18472.60661.77241.75343.33843.4801
H72.12031.08703.18472.60661.77241.75343.33843.4801
H81.88492.58541.01363.12282.34433.33843.33843.2376
H91.86173.16472.24220.96663.98063.48013.48013.2376

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 111.071 C1 C2 H6 109.634
C1 C2 H7 109.634 C1 N3 H8 110.772
C1 O4 H9 105.881 C2 C1 N3 129.471
C2 C1 O4 111.188 N3 C1 O4 119.341
H5 C2 H6 109.455 H5 C2 H7 109.455
H6 C2 H7 107.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability