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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: wB97X-D/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-246.047077
Energy at 298.15K 
HF Energy-246.047077
Nuclear repulsion energy163.313599
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 wB97X-D/Def2TZVPP
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' 3308 3160 0.23 117.71 0.10 0.18
2 A' 3284 3137 0.17 46.66 0.66 0.79
3 A' 3267 3120 0.81 86.41 0.36 0.53
4 A' 1633 1560 11.21 1.84 0.10 0.18
5 A' 1496 1429 33.41 37.67 0.20 0.34
6 A' 1427 1363 8.49 2.15 0.22 0.36
7 A' 1271 1214 7.82 14.00 0.14 0.24
8 A' 1180 1127 19.26 1.75 0.42 0.59
9 A' 1144 1093 9.86 13.06 0.13 0.23
10 A' 1052 1005 3.96 2.74 0.52 0.69
11 A' 959 916 34.06 4.47 0.17 0.29
12 A' 938 896 5.81 4.15 0.58 0.74
13 A' 934 892 3.20 0.83 0.73 0.84
14 A" 939 897 5.24 0.98 0.75 0.86
15 A" 907 866 0.30 0.17 0.75 0.86
16 A" 799 763 63.73 0.02 0.75 0.86
17 A" 663 633 1.76 0.20 0.75 0.86
18 A" 620 592 14.12 0.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12910.0 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 12331.6 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 wB97X-D/Def2TZVPP
ABC
0.33278 0.32571 0.16460

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 0.364 0.000
C2 0.609 -0.958 0.000
C3 0.000 1.117 0.000
N4 -0.691 -0.976 0.000
O5 -1.081 0.340 0.000
H6 2.144 0.691 0.000
H7 1.145 -1.893 0.000
H8 -0.179 2.179 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41771.35002.25402.20231.07452.25782.2316
C21.41772.16251.30062.13152.25311.07823.2341
C31.35002.16252.20451.33152.18603.22091.0767
N42.25401.30062.20451.37313.28952.05283.1965
O52.20232.13151.33151.37313.24473.15392.0483
H61.07452.25312.18603.28953.24472.77112.7581
H72.25781.07823.22092.05283.15392.77114.2819
H82.23163.23411.07673.19652.04832.75814.2819

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.962 C1 C2 H7 129.036
C1 C3 O5 110.423 C1 C3 H8 133.434
C2 C1 C3 102.738 C2 C1 H6 128.873
C2 N4 O5 105.695 C3 C1 H6 128.389
C3 O5 N4 109.182 N4 C2 H7 119.002
O5 C3 H8 116.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 C -0.015      
3 C 0.070      
4 N -0.134      
5 O -0.123      
6 H 0.134      
7 H 0.126      
8 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.537 1.542 0.000 2.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.359 -2.688 0.000
y -2.688 -24.961 0.000
z 0.000 0.000 -29.963
Traceless
 xyz
x -0.897 -2.688 0.000
y -2.688 4.200 0.000
z 0.000 0.000 -3.303
Polar
3z2-r2-6.606
x2-y2-3.398
xy-2.688
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.679 -0.168 0.000
y -0.168 7.220 0.000
z 0.000 0.000 4.003


<r2> (average value of r2) Å2
<r2> 75.940
(<r2>)1/2 8.714