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

using model chemistry: QCISD/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-208.684588
Energy at 298.15K-208.690946
HF Energy-207.991961
Nuclear repulsion energy120.734156
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/aug-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' 3782 3664 51.74      
2 A' 3528 3418 4.60      
3 A' 3159 3060 12.47      
4 A' 3057 2961 7.19      
5 A' 1748 1693 216.97      
6 A' 1481 1435 17.82      
7 A' 1448 1402 56.48      
8 A' 1385 1342 0.76      
9 A' 1283 1242 80.57      
10 A' 1122 1087 175.39      
11 A' 1016 985 39.29      
12 A' 876 848 1.44      
13 A' 548 530 37.68      
14 A' 421 407 2.06      
15 A" 3134 3036 7.20      
16 A" 1467 1421 6.85      
17 A" 1063 1030 3.33      
18 A" 852 825 28.24      
19 A" 605 586 109.10      
20 A" 522 506 23.45      
21 A" 133 129 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 16313.6 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 15803.0 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 QCISD/aug-cc-pVDZ
ABC
0.35657 0.30591 0.16996

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.946 -1.046 0.000
N3 0.259 1.388 0.000
O4 -1.303 -0.281 0.000
H5 1.992 -0.707 0.000
H6 0.759 -1.669 0.891
H7 0.759 -1.669 -0.891
H8 1.270 1.539 0.000
H9 -1.842 0.525 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51091.28191.36722.16112.14792.14791.89571.8831
C21.51092.52892.37511.09981.10281.10282.60583.1997
N31.28192.52892.28612.71823.22263.22261.02272.2707
O41.36722.37512.28613.32202.64032.64033.15240.9700
H52.16111.09982.71823.32201.79961.79962.35884.0263
H62.14791.10283.22262.64031.79961.78223.36833.5172
H72.14791.10283.22262.64031.79961.78223.36833.5172
H81.89572.60581.02273.15242.35883.36833.36833.2730
H91.88313.19972.27070.97004.02633.51723.51723.2730

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 110.757 C1 C2 H6 109.537
C1 C2 H7 109.537 C1 N3 H8 110.174
C1 O4 H9 106.109 C2 C1 N3 129.603
C2 C1 O4 111.130 N3 C1 O4 119.268
H5 C2 H6 109.575 H5 C2 H7 109.575
H6 C2 H7 107.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability