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

using model chemistry: QCISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-208.838623
Energy at 298.15K-208.845023
HF Energy-208.038945
Nuclear repulsion energy121.927574
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/6-311+G(3df,2p)
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' 3839 3661 59.68      
2 A' 3577 3411 6.43      
3 A' 3169 3023 10.51      
4 A' 3071 2929 5.61      
5 A' 1766 1684 233.42      
6 A' 1510 1440 19.07      
7 A' 1469 1401 64.85      
8 A' 1411 1345 3.20      
9 A' 1283 1223 86.07      
10 A' 1128 1076 177.06      
11 A' 1035 987 39.33      
12 A' 886 845 0.83      
13 A' 557 532 39.93      
14 A' 426 406 1.83      
15 A" 3143 2997 5.65      
16 A" 1499 1429 7.68      
17 A" 1082 1032 4.59      
18 A" 864 824 26.75      
19 A" 620 591 110.83      
20 A" 525 500 28.83      
21 A" 139 132 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 16498.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 15735.0 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/6-311+G(3df,2p)
ABC
0.36386 0.31161 0.17324

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.909 -1.062 0.000
N3 0.296 1.364 0.000
O4 -1.298 -0.241 0.000
H5 1.953 -0.757 0.000
H6 0.709 -1.674 0.880
H7 0.709 -1.674 -0.880
H8 1.301 1.493 0.000
H9 -1.814 0.572 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50051.26771.35042.14522.13032.13031.88351.8667
C21.50052.50282.35451.08731.09031.09032.58553.1756
N31.26772.50282.26242.69153.19023.19021.01362.2539
O41.35042.35452.26243.29102.61822.61823.12490.9632
H52.14521.08732.69153.29101.77811.77812.34253.9940
H62.13031.09033.19022.61821.77811.76013.34033.4907
H72.13031.09033.19022.61821.77811.76013.34033.4907
H81.88352.58551.01363.12492.34253.34033.34033.2488
H91.86673.17562.25390.96323.99403.49073.49073.2488

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 110.971 C1 C2 H6 109.603
C1 C2 H7 109.603 C1 N3 H8 110.806
C1 O4 H9 106.371 C2 C1 N3 129.221
C2 C1 O4 111.247 N3 C1 O4 119.533
H5 C2 H6 109.479 H5 C2 H7 109.479
H6 C2 H7 107.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability