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

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-208.656084
Energy at 298.15K-208.662401
HF Energy-207.973483
Nuclear repulsion energy120.734458
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 QCISD(T)/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' 3757 3581        
2 A' 3493 3330        
3 A' 3168 3020        
4 A' 3060 2917        
5 A' 1753 1671        
6 A' 1482 1413        
7 A' 1458 1389        
8 A' 1380 1315        
9 A' 1284 1223        
10 A' 1126 1073        
11 A' 1008 960        
12 A' 876 835        
13 A' 541 516        
14 A' 413 394        
15 A" 3144 2996        
16 A" 1463 1395        
17 A" 1057 1008        
18 A" 852 812        
19 A" 620 591        
20 A" 509 485        
21 A" 122 117        

Unscaled Zero Point Vibrational Energy (zpe) 16282.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 15519.2 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 QCISD(T)/cc-pVDZ
ABC
0.35746 0.30557 0.17007

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.918 -1.069 0.000
N3 0.291 1.384 0.000
O4 -1.308 -0.251 0.000
H5 1.977 -0.760 0.000
H6 0.716 -1.691 0.892
H7 0.716 -1.691 -0.892
H8 1.313 1.490 0.000
H9 -1.803 0.588 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51271.28451.36302.16892.15242.15241.88841.8596
C21.51272.53222.37221.10261.10531.10532.58933.1863
N31.28452.53222.28622.72753.22943.22941.02822.2397
O41.36302.37222.28623.32402.63952.63953.14630.9738
H52.16891.10262.72753.32401.80261.80262.34544.0129
H62.15241.10533.22942.63951.80261.78323.35643.5121
H72.15241.10533.22942.63951.80261.78323.35643.5121
H81.88842.58931.02823.14632.34543.35643.35643.2441
H91.85963.18632.23970.97384.01293.51213.51213.2441

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 111.089 C1 C2 H6 109.618
C1 C2 H7 109.618 C1 N3 H8 108.983
C1 O4 H9 104.222 C2 C1 N3 129.544
C2 C1 O4 111.054 N3 C1 O4 119.402
H5 C2 H6 109.455 H5 C2 H7 109.455
H6 C2 H7 107.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability