return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-209.054358
Energy at 298.15K-209.060721
HF Energy-208.822314
Nuclear repulsion energy121.696505
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 B2PLYP=FULL/6-311G*
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' 3755 3755 33.60      
2 A' 3550 3550 1.65      
3 A' 3172 3172 16.13      
4 A' 3079 3079 7.57      
5 A' 1748 1748 214.09      
6 A' 1519 1519 26.98      
7 A' 1468 1468 59.68      
8 A' 1413 1413 1.02      
9 A' 1298 1298 107.34      
10 A' 1122 1122 184.81      
11 A' 1032 1032 46.50      
12 A' 880 880 1.39      
13 A' 555 555 43.40      
14 A' 426 426 2.13      
15 A" 3146 3146 9.43      
16 A" 1506 1506 10.38      
17 A" 1089 1089 7.67      
18 A" 856 856 23.47      
19 A" 652 652 164.88      
20 A" 526 526 14.65      
21 A" 117 117 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 16453.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16453.3 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 B2PLYP=FULL/6-311G*
ABC
0.36330 0.30990 0.17257

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.939 -1.039 0.000
N3 0.253 1.378 0.000
O4 -1.289 -0.281 0.000
H5 1.978 -0.715 0.000
H6 0.756 -1.659 0.879
H7 0.756 -1.659 -0.879
H8 1.252 1.554 0.000
H9 -1.828 0.522 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50181.27031.35402.15172.13462.13461.89381.8691
C21.50182.51282.35331.08841.09101.09102.61223.1770
N31.27032.51282.26482.71203.20173.20171.01472.2501
O41.35402.35332.26483.29542.61812.61813.13440.9670
H52.15171.08842.71203.29541.77691.77692.38214.0017
H62.13461.09103.20172.61811.77691.75783.36823.4940
H72.13461.09103.20172.61811.77691.75783.36823.4940
H81.89382.61221.01473.13442.38213.36823.36823.2485
H91.86913.17702.25010.96704.00173.49403.49403.2485

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 111.335 C1 C2 H6 109.812
C1 C2 H7 109.812 C1 N3 H8 111.465
C1 O4 H9 106.078 C2 C1 N3 129.847
C2 C1 O4 110.877 N3 C1 O4 119.276
H5 C2 H6 109.230 H5 C2 H7 109.230
H6 C2 H7 107.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability