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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: M06-2X/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 M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-245.976672
Energy at 298.15K 
HF Energy-245.976672
Nuclear repulsion energy162.606312
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 M06-2X/aug-cc-pVDZ
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' 3326 3326 1.27 114.86 0.11 0.20
2 A' 3293 3293 1.31 59.83 0.49 0.66
3 A' 3277 3277 0.22 95.82 0.34 0.50
4 A' 1637 1637 11.38 2.73 0.05 0.10
5 A' 1504 1504 34.53 45.08 0.15 0.26
6 A' 1417 1417 8.83 3.36 0.14 0.25
7 A' 1262 1262 9.40 15.52 0.11 0.20
8 A' 1179 1179 15.79 1.92 0.27 0.42
9 A' 1138 1138 10.17 13.48 0.10 0.19
10 A' 1042 1042 3.51 2.76 0.53 0.69
11 A' 971 971 42.33 4.50 0.12 0.21
12 A' 932 932 5.13 2.14 0.66 0.80
13 A' 926 926 1.94 1.77 0.68 0.81
14 A" 917 917 8.46 0.33 0.75 0.86
15 A" 893 893 0.13 0.42 0.75 0.86
16 A" 782 782 62.09 0.02 0.75 0.86
17 A" 659 659 0.92 0.22 0.75 0.86
18 A" 615 615 15.29 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12886.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12886.0 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 M06-2X/aug-cc-pVDZ
ABC
0.33003 0.32271 0.16317

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.128 0.366 0.000
C2 0.611 -0.964 0.000
C3 0.000 1.123 0.000
N4 -0.696 -0.977 0.000
O5 -1.084 0.339 0.000
H6 2.158 0.695 0.000
H7 1.145 -1.909 0.000
H8 -0.184 2.191 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42651.35832.26522.21201.08182.27442.2477
C21.42652.17401.30702.13772.26881.08543.2531
C31.35832.17402.21271.33772.20003.24031.0838
N42.26521.30702.21271.37273.30852.06313.2094
O52.21202.13771.33771.37273.26173.16552.0587
H61.08182.26882.20003.30853.26172.79422.7790
H72.27441.08543.24032.06313.16552.79424.3095
H82.24773.25311.08383.20942.05872.77904.3095

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.860 C1 C2 H7 129.267
C1 C3 O5 110.268 C1 C3 H8 133.664
C2 C1 C3 102.620 C2 C1 H6 128.999
C2 N4 O5 105.808 C3 C1 H6 128.381
C3 O5 N4 109.444 N4 C2 H7 118.873
O5 C3 H8 116.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.969      
2 C 0.369      
3 C 0.476      
4 N -0.134      
5 O -0.467      
6 H -0.462      
7 H -0.341      
8 H -0.410      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.578 1.512 0.000 2.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.686 -2.691 0.000
y -2.691 -25.101 0.000
z 0.000 0.000 -30.509
Traceless
 xyz
x -0.881 -2.691 0.000
y -2.691 4.497 0.000
z 0.000 0.000 -3.616
Polar
3z2-r2-7.231
x2-y2-3.585
xy-2.691
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.990 -0.118 0.000
y -0.118 7.600 0.000
z 0.000 0.000 4.403


<r2> (average value of r2) Å2
<r2> 76.690
(<r2>)1/2 8.757