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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-208.294854
Energy at 298.15K-208.301069
HF Energy-207.887688
Nuclear repulsion energy118.381548
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/SDD
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' 3615 3489 36.98      
2 A' 3469 3349 8.37      
3 A' 3159 3049 19.09      
4 A' 3042 2937 11.54      
5 A' 1650 1593 127.47      
6 A' 1528 1475 39.28      
7 A' 1467 1416 30.37      
8 A' 1399 1351 20.09      
9 A' 1226 1183 87.92      
10 A' 1082 1044 91.79      
11 A' 1006 971 184.01      
12 A' 831 803 5.53      
13 A' 514 496 47.34      
14 A' 406 392 4.22      
15 A" 3148 3038 12.79      
16 A" 1515 1462 11.81      
17 A" 1108 1069 7.17      
18 A" 862 832 49.32      
19 A" 615 594 212.57      
20 A" 499 482 14.87      
21 A" 105 101 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 16123.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 15563.5 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/SDD
ABC
0.34132 0.29461 0.16304

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 1.109 -0.915 0.000
N3 0.048 1.441 0.000
O4 -1.268 -0.487 0.000
H5 2.099 -0.431 0.000
H6 1.014 -1.555 0.893
H7 1.014 -1.555 -0.893
H8 1.004 1.830 0.000
H9 -1.971 0.209 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.52611.30931.41192.17322.16192.16191.97131.9726
C21.52612.58462.41591.10151.10241.10242.74673.2790
N31.30932.58462.33472.77743.27243.27241.03222.3652
O41.41192.41592.33473.36762.67322.67323.24500.9890
H52.17321.10152.77743.36761.79901.79902.51194.1199
H62.16191.10243.27242.67321.79901.78513.50023.5802
H72.16191.10243.27242.67321.79901.78513.50023.5802
H81.97132.74671.03223.24502.51193.50023.50023.3879
H91.97263.27902.36520.98904.11993.58023.58023.3879

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 110.562 C1 C2 H6 109.617
C1 C2 H7 109.617 C1 N3 H8 114.171
C1 O4 H9 109.227 C2 C1 N3 131.295
C2 C1 O4 110.573 N3 C1 O4 118.132
H5 C2 H6 109.437 H5 C2 H7 109.437
H6 C2 H7 108.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability