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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-209.029964
Energy at 298.15K-209.036223
HF Energy-209.029964
Nuclear repulsion energy121.148791
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 PBEPBE/cc-pVTZ
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' 3615 3590 30.97      
2 A' 3428 3404 2.36      
3 A' 3081 3060 10.17      
4 A' 2982 2961 6.01      
5 A' 1685 1674 203.28      
6 A' 1433 1423 25.34      
7 A' 1391 1382 57.00      
8 A' 1335 1326 0.03      
9 A' 1220 1211 89.53      
10 A' 1064 1057 163.64      
11 A' 976 969 40.93      
12 A' 852 846 2.20      
13 A' 531 527 38.32      
14 A' 409 406 1.75      
15 A" 3043 3022 5.29      
16 A" 1420 1410 8.87      
17 A" 1027 1019 6.23      
18 A" 811 805 19.32      
19 A" 622 618 111.66      
20 A" 510 506 15.80      
21 A" 121 120 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 15776.4 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 15667.5 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 PBEPBE/cc-pVTZ
ABC
0.35988 0.30804 0.17128

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.945 -1.037 0.000
N3 0.251 1.382 0.000
O4 -1.297 -0.286 0.000
H5 1.987 -0.701 0.000
H6 0.767 -1.666 0.884
H7 0.767 -1.666 -0.884
H8 1.260 1.552 0.000
H9 -1.826 0.537 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50231.27651.36272.15412.14352.14351.89991.8704
C21.50232.51712.36511.09491.09901.09902.60883.1870
N31.27652.51712.27582.71213.21503.21501.02372.2413
O41.36272.36512.27583.31072.63532.63533.14970.9784
H52.15411.09492.71213.31071.78911.78912.36804.0088
H62.14351.09903.21502.63531.78911.76743.37353.5149
H72.14351.09903.21502.63531.78911.76743.37353.5149
H81.89992.60881.02373.14972.36803.37353.37353.2481
H91.87043.18702.24130.97844.00883.51493.51493.2481

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 111.108 C1 C2 H6 110.015
C1 C2 H7 110.015 C1 N3 H8 110.900
C1 O4 H9 104.869 C2 C1 N3 129.692
C2 C1 O4 111.190 N3 C1 O4 119.118
H5 C2 H6 109.279 H5 C2 H7 109.279
H6 C2 H7 107.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.137      
2 C -0.272      
3 N -0.281      
4 O -0.237      
5 H 0.094      
6 H 0.114      
7 H 0.114      
8 H 0.127      
9 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.033 -1.028 0.000 1.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.546 -1.148 0.000
y -1.148 -27.171 0.000
z 0.000 0.000 -25.083
Traceless
 xyz
x 5.581 -1.148 0.000
y -1.148 -4.357 0.000
z 0.000 0.000 -1.224
Polar
3z2-r2-2.449
x2-y26.625
xy-1.148
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.066 0.051 0.000
y 0.051 6.576 0.000
z 0.000 0.000 3.907


<r2> (average value of r2) Å2
<r2> 75.352
(<r2>)1/2 8.681