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

using model chemistry: QCISD/daug-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/daug-cc-pVDZ
 hartrees
Energy at 0K-208.687737
Energy at 298.15K-208.694086
HF Energy-207.992934
Nuclear repulsion energy120.749960
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/daug-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' 3778 3778 52.22      
2 A' 3526 3526 4.62      
3 A' 3156 3156 12.59      
4 A' 3053 3053 7.34      
5 A' 1746 1746 216.59      
6 A' 1482 1482 17.89      
7 A' 1447 1447 57.05      
8 A' 1385 1385 0.75      
9 A' 1281 1281 78.56      
10 A' 1123 1123 175.47      
11 A' 1016 1016 40.22      
12 A' 875 875 1.36      
13 A' 547 547 37.98      
14 A' 419 419 1.95      
15 A" 3130 3130 7.37      
16 A" 1466 1466 6.93      
17 A" 1061 1061 3.35      
18 A" 853 853 26.90      
19 A" 604 604 104.84      
20 A" 515 515 26.52      
21 A" 130 130 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 16294.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16294.9 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/daug-cc-pVDZ
ABC
0.35659 0.30599 0.16999

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.939 -1.052 0.000
N3 0.268 1.386 0.000
O4 -1.305 -0.273 0.000
H5 1.987 -0.718 0.000
H6 0.751 -1.673 0.891
H7 0.751 -1.673 -0.891
H8 1.280 1.530 0.000
H9 -1.838 0.537 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51101.28201.36662.16082.14812.14811.89531.8823
C21.51102.52812.37551.09931.10231.10232.60363.1997
N31.28202.52812.28612.71643.22203.22201.02262.2708
O41.36662.37552.28613.32162.64152.64153.15190.9698
H52.16081.09932.71643.32161.79821.79822.35584.0254
H62.14811.10233.22202.64151.79821.78153.36603.5182
H72.14811.10233.22202.64151.79821.78153.36603.5182
H81.89532.60361.02263.15192.35583.36603.36603.2728
H91.88233.19972.27080.96984.02543.51823.51823.2728

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 110.758 C1 C2 H6 109.576
C1 C2 H7 109.576 C1 N3 H8 110.148
C1 O4 H9 106.102 C2 C1 N3 129.505
C2 C1 O4 111.180 N3 C1 O4 119.314
H5 C2 H6 109.530 H5 C2 H7 109.530
H6 C2 H7 107.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability