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

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-208.636299
Energy at 298.15K-208.642650
HF Energy-207.974455
Nuclear repulsion energy121.009833
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/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' 3795 3641 48.55      
2 A' 3528 3385 0.63      
3 A' 3183 3054 12.78      
4 A' 3077 2952 8.27      
5 A' 1785 1713 193.09      
6 A' 1494 1434 33.79      
7 A' 1470 1411 45.42      
8 A' 1393 1336 0.77      
9 A' 1296 1244 91.41      
10 A' 1137 1091 177.34      
11 A' 1018 977 25.38      
12 A' 887 851 1.06      
13 A' 548 526 40.86      
14 A' 419 402 1.72      
15 A" 3159 3031 7.86      
16 A" 1472 1413 6.76      
17 A" 1069 1026 6.03      
18 A" 863 828 21.81      
19 A" 623 598 120.77      
20 A" 516 495 19.73      
21 A" 124 119 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 16428.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 15761.6 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/cc-pVDZ
ABC
0.35895 0.30704 0.17085

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.134 0.000
C2 0.913 -1.070 0.000
N3 0.295 1.378 0.000
O4 -1.306 -0.245 0.000
H5 1.972 -0.766 0.000
H6 0.708 -1.689 0.890
H7 0.708 -1.689 -0.890
H8 1.315 1.486 0.000
H9 -1.804 0.589 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51081.27911.35962.16742.14922.14921.88611.8603
C21.51082.52492.36711.10121.10391.10392.58683.1832
N31.27912.52492.28032.72203.22113.22111.02562.2428
O41.35962.36712.28033.31852.63342.63343.14090.9714
H52.16741.10122.72203.31851.80041.80042.34544.0113
H62.14921.10393.22112.63341.80041.78073.35293.5063
H72.14921.10393.22112.63341.80041.78073.35293.5063
H81.88612.58681.02563.14092.34543.35293.35293.2456
H91.86033.18322.24280.97144.01133.50633.50633.2456

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 111.183 C1 C2 H6 109.578
C1 C2 H7 109.578 C1 N3 H8 109.344
C1 O4 H9 104.662 C2 C1 N3 129.465
C2 C1 O4 110.998 N3 C1 O4 119.537
H5 C2 H6 109.456 H5 C2 H7 109.456
H6 C2 H7 107.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability