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

using model chemistry: MP2/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 MP2/Def2TZVPP
 hartrees
Energy at 0K-208.825190
Energy at 298.15K-208.831549
HF Energy-208.048653
Nuclear repulsion energy121.893669
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/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' 3772 3589 65.89      
2 A' 3565 3392 8.17      
3 A' 3207 3052 6.93      
4 A' 3097 2946 4.18      
5 A' 1738 1654 186.60      
6 A' 1499 1426 21.65      
7 A' 1454 1383 68.55      
8 A' 1394 1326 1.34      
9 A' 1258 1197 87.70      
10 A' 1111 1057 179.55      
11 A' 1021 972 38.56      
12 A' 885 842 0.92      
13 A' 550 523 41.48      
14 A' 424 403 1.66      
15 A" 3180 3026 2.70      
16 A" 1489 1417 8.67      
17 A" 1072 1020 4.50      
18 A" 855 814 24.80      
19 A" 625 594 117.64      
20 A" 525 499 20.30      
21 A" 129 123 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 16424.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 15627.9 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/Def2TZVPP
ABC
0.36294 0.31237 0.17324

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.926 -1.044 0.000
N3 0.271 1.373 0.000
O4 -1.294 -0.268 0.000
H5 1.961 -0.720 0.000
H6 0.737 -1.658 0.878
H7 0.737 -1.658 -0.878
H8 1.276 1.509 0.000
H9 -1.813 0.548 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49531.27191.35392.13742.12402.12401.87901.8608
C21.49532.50392.35151.08511.08791.08792.57733.1682
N31.27192.50392.26792.68953.18963.18961.01412.2417
O41.35392.35152.26793.28632.61282.61283.12500.9676
H52.13741.08512.68953.28631.77511.77512.33173.9816
H62.12401.08793.18962.61281.77511.75603.33073.4844
H72.12401.08793.18962.61281.77511.75603.33073.4844
H81.87902.57731.01413.12502.33173.33073.33073.2355
H91.86083.16822.24170.96763.98163.48443.48443.2355

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 110.846 C1 C2 H6 109.609
C1 C2 H7 109.609 C1 N3 H8 110.053
C1 O4 H9 105.339 C2 C1 N3 129.429
C2 C1 O4 111.139 N3 C1 O4 119.431
H5 C2 H6 109.547 H5 C2 H7 109.547
H6 C2 H7 107.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability