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

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-208.593117
Energy at 298.15K-208.599505
HF Energy-207.950801
Nuclear repulsion energy121.361741
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 CCSD=FULL/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' 3717 3530 46.02      
2 A' 3519 3343 0.81      
3 A' 3185 3025 12.46      
4 A' 3090 2935 5.27      
5 A' 1807 1717 195.14      
6 A' 1541 1464 21.74      
7 A' 1501 1426 67.13      
8 A' 1440 1368 1.52      
9 A' 1313 1247 96.73      
10 A' 1150 1092 184.66      
11 A' 1050 997 34.95      
12 A' 897 852 0.64      
13 A' 559 531 42.06      
14 A' 430 409 2.30      
15 A" 3165 3006 6.64      
16 A" 1523 1447 7.61      
17 A" 1101 1046 8.94      
18 A" 881 836 29.41      
19 A" 634 602 153.57      
20 A" 524 498 20.32      
21 A" 132 125 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 16579.3 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 15747.0 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 CCSD=FULL/6-31G*
ABC
0.36092 0.30918 0.17188

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.949 -1.032 0.000
N3 0.241 1.383 0.000
O4 -1.291 -0.295 0.000
H5 1.988 -0.691 0.000
H6 0.770 -1.653 0.884
H7 0.770 -1.653 -0.884
H8 1.248 1.558 0.000
H9 -1.836 0.515 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50251.27321.35982.15192.13632.13631.89401.8756
C21.50252.51642.35791.09321.09531.09532.60673.1861
N31.27322.51642.27242.71153.20593.20591.02142.2518
O41.35982.35792.27243.30242.62132.62133.14280.9768
H52.15191.09322.71153.30241.78621.78622.36754.0099
H62.13631.09533.20592.62131.78621.76853.36423.5034
H72.13631.09533.20592.62131.78621.76853.36423.5034
H81.89402.60671.02143.14282.36753.36423.36423.2556
H91.87563.18612.25180.97684.00993.50343.50343.2556

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 111.015 C1 C2 H6 109.642
C1 C2 H7 109.642 C1 N3 H8 110.779
C1 O4 H9 105.608 C2 C1 N3 129.891
C2 C1 O4 110.826 N3 C1 O4 119.283
H5 C2 H6 109.404 H5 C2 H7 109.404
H6 C2 H7 107.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability