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

using model chemistry: CCSD=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-208.643746
Energy at 298.15K-208.650111
HF Energy-207.974831
Nuclear repulsion energy121.152886
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/cc-pVDZ
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' 3805 3805 49.32      
2 A' 3535 3535 0.70      
3 A' 3192 3192 12.31      
4 A' 3085 3085 7.87      
5 A' 1798 1798 192.51      
6 A' 1499 1499 36.57      
7 A' 1474 1474 44.51      
8 A' 1396 1396 0.67      
9 A' 1301 1301 93.48      
10 A' 1141 1141 178.84      
11 A' 1021 1021 24.49      
12 A' 891 891 1.08      
13 A' 551 551 41.10      
14 A' 421 421 1.73      
15 A" 3167 3167 7.43      
16 A" 1475 1475 6.89      
17 A" 1073 1073 6.34      
18 A" 868 868 22.26      
19 A" 624 624 119.20      
20 A" 518 518 21.40      
21 A" 126 126 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 16479.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16479.5 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 CCSD=FULL/cc-pVDZ
ABC
0.35965 0.30791 0.17126

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.134 0.000
C2 0.910 -1.070 0.000
N3 0.299 1.376 0.000
O4 -1.305 -0.242 0.000
H5 1.968 -0.770 0.000
H6 0.703 -1.689 0.889
H7 0.703 -1.689 -0.889
H8 1.318 1.480 0.000
H9 -1.803 0.591 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50901.27721.35802.16532.14662.14661.88441.8598
C21.50902.52092.36451.10001.10281.10282.58323.1808
N31.27722.52092.27782.71803.21653.21651.02482.2430
O41.35802.36452.27783.31502.63032.63033.13800.9705
H52.16531.10002.71803.31501.79841.79842.34194.0085
H62.14661.10283.21652.63031.79841.77863.34863.5030
H72.14661.10283.21652.63031.79841.77863.34863.5030
H81.88442.58321.02483.13802.34193.34863.34863.2450
H91.85983.18082.24300.97054.00853.50303.50303.2450

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 111.211 C1 C2 H6 109.569
C1 C2 H7 109.569 C1 N3 H8 109.402
C1 O4 H9 104.789 C2 C1 N3 129.399
C2 C1 O4 111.010 N3 C1 O4 119.591
H5 C2 H6 109.458 H5 C2 H7 109.458
H6 C2 H7 107.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability