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

using model chemistry: CCSD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31+G**
 hartrees
Energy at 0K-208.638635
Energy at 298.15K-208.644996
HF Energy-207.974502
Nuclear repulsion energy121.352800
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 CCSD/6-31+G**
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' 3842 3587 53.12      
2 A' 3600 3362 4.32      
3 A' 3221 3008 12.81      
4 A' 3119 2913 7.70      
5 A' 1782 1664 226.00      
6 A' 1537 1435 17.24      
7 A' 1486 1387 59.52      
8 A' 1431 1337 9.04      
9 A' 1289 1203 76.91      
10 A' 1141 1065 179.86      
11 A' 1050 980 49.97      
12 A' 891 832 1.07      
13 A' 554 518 43.38      
14 A' 430 402 2.09      
15 A" 3201 2989 6.44      
16 A" 1518 1418 7.49      
17 A" 1091 1019 3.10      
18 A" 865 808 34.25      
19 A" 598 558 130.70      
20 A" 514 480 34.45      
21 A" 129 121 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 16644.9 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 15543.0 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 CCSD/6-31+G**
ABC
0.35948 0.30940 0.17159

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.943 -1.039 0.000
N3 0.256 1.382 0.000
O4 -1.296 -0.285 0.000
H5 1.977 -0.701 0.000
H6 0.761 -1.654 0.882
H7 0.761 -1.654 -0.882
H8 1.260 1.541 0.000
H9 -1.843 0.514 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50361.27581.36132.14552.13202.13201.89021.8822
C21.50362.51652.36251.08791.09011.09012.59973.1898
N31.27582.51652.27752.70193.20113.20111.01622.2713
O41.36132.36252.27753.29932.62332.62333.14110.9686
H52.14551.08792.70193.29931.77881.77882.35434.0088
H62.13201.09013.20112.62331.77881.76333.35183.5012
H72.13201.09013.20112.62331.77881.76333.35183.5012
H81.89022.59971.01623.14112.35433.35183.35183.2683
H91.88223.18982.27130.96864.00883.50123.50123.2683

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 110.740 C1 C2 H6 109.541
C1 C2 H7 109.541 C1 N3 H8 110.610
C1 O4 H9 106.554 C2 C1 N3 129.577
C2 C1 O4 111.002 N3 C1 O4 119.421
H5 C2 H6 109.508 H5 C2 H7 109.508
H6 C2 H7 107.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability