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

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-208.241291
Energy at 298.15K-208.247713
HF Energy-207.855010
Nuclear repulsion energy120.354726
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 CISD/6-31G
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' 3755 3521 37.35      
2 A' 3579 3357 3.48      
3 A' 3205 3005 15.54      
4 A' 3116 2922 6.47      
5 A' 1804 1692 179.27      
6 A' 1579 1481 26.66      
7 A' 1519 1425 42.05      
8 A' 1479 1387 17.95      
9 A' 1301 1220 101.35      
10 A' 1135 1065 144.03      
11 A' 1065 999 123.40      
12 A' 888 833 3.31      
13 A' 558 523 46.38      
14 A' 433 406 3.67      
15 A" 3192 2994 7.92      
16 A" 1562 1465 8.28      
17 A" 1148 1077 12.13      
18 A" 908 852 51.76      
19 A" 634 594 206.72      
20 A" 536 502 30.47      
21 A" 128 120 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 16762.4 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 15719.8 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 CISD/6-31G
ABC
0.35201 0.30531 0.16865

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 1.044 -0.953 0.000
N3 0.129 1.405 0.000
O4 -1.276 -0.409 0.000
H5 2.048 -0.524 0.000
H6 0.919 -1.585 0.884
H7 0.919 -1.585 -0.884
H8 1.089 1.743 0.000
H9 -1.936 0.306 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50631.27791.38632.15082.14002.14001.94351.9435
C21.50632.52872.38221.09241.09371.09372.69643.2343
N31.27792.52872.29442.72043.21623.21621.01762.3395
O41.38632.38222.29443.32582.64252.64253.19750.9728
H52.15081.09242.72043.32581.78371.78372.46134.0693
H62.14001.09373.21622.64251.78371.76793.44773.5367
H72.14001.09373.21622.64251.78371.76793.44773.5367
H81.94352.69641.01763.19752.46133.44773.44773.3491
H91.94353.23432.33950.97284.06933.53673.53673.3491

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 110.710 C1 C2 H6 109.763
C1 C2 H7 109.763 C1 N3 H8 115.227
C1 O4 H9 109.699 C2 C1 N3 130.344
C2 C1 O4 110.816 N3 C1 O4 118.840
H5 C2 H6 109.357 H5 C2 H7 109.357
H6 C2 H7 107.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability