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

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-207.995051
Energy at 298.15K-208.001646
HF Energy-207.995051
Nuclear repulsion energy122.603925
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 HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 4120 3752 96.17      
2 A' 3780 3442 11.47      
3 A' 3289 2995 19.51      
4 A' 3191 2905 8.55      
5 A' 1896 1726 346.70      
6 A' 1585 1443 31.02      
7 A' 1557 1418 74.92      
8 A' 1493 1359 5.15      
9 A' 1380 1256 94.34      
10 A' 1210 1102 196.21      
11 A' 1101 1003 43.12      
12 A' 932 849 0.23      
13 A' 595 542 41.44      
14 A' 455 414 2.13      
15 A" 3261 2969 11.83      
16 A" 1571 1430 7.16      
17 A" 1159 1055 7.93      
18 A" 921 839 36.06      
19 A" 659 600 104.09      
20 A" 560 510 55.11      
21 A" 155 141 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 17433.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 15875.0 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 HF/aug-cc-pVDZ
ABC
0.36826 0.31393 0.17496

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.135 0.000
C2 0.882 -1.080 0.000
N3 0.328 1.346 0.000
O4 -1.296 -0.204 0.000
H5 1.931 -0.798 0.000
H6 0.666 -1.685 0.880
H7 0.666 -1.685 -0.880
H8 1.325 1.458 0.000
H9 -1.808 0.593 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50121.25511.33982.14482.12782.12781.87291.8654
C21.50122.48852.34811.08621.08951.08952.57683.1681
N31.25512.48852.24542.67733.17383.17381.00282.2654
O41.33982.34812.24543.28192.61102.61103.10390.9470
H52.14481.08622.67733.28191.77801.77802.33683.9899
H62.12781.08953.17382.61101.77801.76043.32983.4759
H72.12781.08953.17382.61101.77801.76043.32983.4759
H81.87292.57681.00283.10392.33683.32983.32983.2504
H91.86543.16812.26540.94703.98993.47593.47593.2504

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 110.962 C1 C2 H6 109.403
C1 C2 H7 109.403 C1 N3 H8 111.600
C1 O4 H9 108.084 C2 C1 N3 128.845
C2 C1 O4 111.357 N3 C1 O4 119.798
H5 C2 H6 109.617 H5 C2 H7 109.617
H6 C2 H7 107.778
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.531      
2 C 0.482      
3 N -0.466      
4 O -0.681      
5 H -0.096      
6 H 0.039      
7 H 0.039      
8 H 0.015      
9 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.115 -1.354 0.000 1.753
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.620 -1.814 0.000
y -1.814 -27.748 0.000
z 0.000 0.000 -25.300
Traceless
 xyz
x 5.904 -1.814 0.000
y -1.814 -4.788 0.000
z 0.000 0.000 -1.116
Polar
3z2-r2-2.233
x2-y27.128
xy-1.814
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.528 0.185 0.000
y 0.185 6.381 0.000
z 0.000 0.000 4.185


<r2> (average value of r2) Å2
<r2> 74.310
(<r2>)1/2 8.620