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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-245.793334
Energy at 298.15K 
HF Energy-245.793334
Nuclear repulsion energy162.603198
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 HSEh1PBE/6-31+G**
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' 3324 3174 0.32 126.00 0.11 0.21
2 A' 3302 3152 0.37 50.44 0.71 0.83
3 A' 3282 3134 0.62 92.73 0.40 0.57
4 A' 1628 1554 11.02 2.68 0.03 0.07
5 A' 1499 1431 34.57 40.13 0.22 0.36
6 A' 1421 1357 5.90 3.85 0.10 0.18
7 A' 1264 1207 8.16 15.09 0.12 0.22
8 A' 1176 1123 17.64 1.82 0.47 0.64
9 A' 1144 1093 9.58 14.29 0.10 0.18
10 A' 1056 1009 5.43 2.76 0.60 0.75
11 A' 951 908 35.79 4.96 0.17 0.28
12 A' 931 889 5.74 2.67 0.49 0.66
13 A' 926 884 2.27 2.42 0.69 0.82
14 A" 915 874 7.09 0.59 0.75 0.86
15 A" 877 837 0.03 0.58 0.75 0.86
16 A" 786 750 71.62 0.03 0.75 0.86
17 A" 655 625 1.03 0.38 0.75 0.86
18 A" 610 583 15.18 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12873.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 12291.2 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 HSEh1PBE/6-31+G**
ABC
0.32972 0.32309 0.16319

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 0.364 0.000
C2 0.613 -0.960 0.000
C3 0.000 1.123 0.000
N4 -0.696 -0.981 0.000
O5 -1.086 0.340 0.000
H6 2.155 0.691 0.000
H7 1.150 -1.899 0.000
H8 -0.185 2.187 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42001.35852.26502.21231.07892.26312.2460
C21.42002.17101.30872.13872.25901.08223.2466
C31.35852.17102.21611.33842.19763.23351.0802
N42.26501.30872.21611.37753.30482.06163.2093
O52.21232.13871.33841.37753.25933.16422.0551
H61.07892.25902.19763.30483.25932.77802.7772
H72.26311.08223.23352.06163.16422.77804.2989
H82.24603.24661.08023.20932.05512.77724.2989

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.151 C1 C2 H7 129.002
C1 C3 O5 110.233 C1 C3 H8 133.823
C2 C1 C3 102.751 C2 C1 H6 128.863
C2 N4 O5 105.502 C3 C1 H6 128.386
C3 O5 N4 109.363 N4 C2 H7 118.846
O5 C3 H8 115.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.001      
2 C -0.162      
3 C -0.115      
4 N -0.257      
5 O -0.015      
6 H 0.179      
7 H 0.183      
8 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.683 1.601 0.000 3.124
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.736 -2.720 0.000
y -2.720 -25.118 0.000
z 0.000 0.000 -30.430
Traceless
 xyz
x -0.962 -2.720 0.000
y -2.720 4.465 0.000
z 0.000 0.000 -3.503
Polar
3z2-r2-7.006
x2-y2-3.618
xy-2.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.783 -0.098 0.000
y -0.098 7.297 0.000
z 0.000 0.000 4.008


<r2> (average value of r2) Å2
<r2> 76.652
(<r2>)1/2 8.755