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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-245.798592
Energy at 298.15K 
HF Energy-245.798592
Nuclear repulsion energy162.608167
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/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' 3317 3190 0.29 115.42 0.11 0.19
2 A' 3290 3165 0.29 53.49 0.65 0.79
3 A' 3269 3145 0.68 91.94 0.39 0.56
4 A' 1629 1567 9.26 1.44 0.10 0.18
5 A' 1502 1445 31.69 29.35 0.30 0.46
6 A' 1414 1361 6.22 2.44 0.20 0.34
7 A' 1252 1205 9.63 12.69 0.21 0.35
8 A' 1168 1123 15.53 1.84 0.75 0.86
9 A' 1138 1094 9.86 10.54 0.20 0.33
10 A' 1045 1005 6.40 4.74 0.67 0.80
11 A' 949 913 35.17 4.65 0.15 0.26
12 A' 931 896 3.65 4.02 0.71 0.83
13 A' 923 888 2.78 0.63 0.75 0.86
14 A" 914 879 4.66 1.72 0.75 0.86
15 A" 877 844 0.14 0.24 0.75 0.86
16 A" 788 758 50.82 1.03 0.75 0.86
17 A" 661 635 1.45 0.46 0.75 0.86
18 A" 618 594 14.47 1.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12842.2 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 12352.9 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/cc-pVDZ
ABC
0.32957 0.32335 0.16322

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 0.363 0.000
C2 0.611 -0.960 0.000
C3 0.000 1.121 0.000
N4 -0.698 -0.977 0.000
O5 -1.084 0.340 0.000
H6 2.163 0.693 0.000
H7 1.148 -1.907 0.000
H8 -0.187 2.192 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42111.35982.26632.21361.08482.27062.2529
C21.42112.16921.30942.13632.26691.08873.2514
C31.35982.16922.21191.33692.20473.23881.0868
N42.26631.30942.21191.37243.31262.06693.2103
O52.21362.13631.33691.37243.26633.16722.0584
H61.08482.26692.20473.31263.26632.79082.7873
H72.27061.08873.23882.06693.16722.79084.3110
H82.25293.25141.08683.21032.05842.78734.3110

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.135 C1 C2 H7 129.085
C1 C3 O5 110.334 C1 C3 H8 133.788
C2 C1 C3 102.503 C2 C1 H6 129.040
C2 N4 O5 105.586 C3 C1 H6 128.457
C3 O5 N4 109.441 N4 C2 H7 118.780
O5 C3 H8 115.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.184      
2 C 0.129      
3 C 0.203      
4 N -0.119      
5 O -0.140      
6 H 0.021      
7 H 0.039      
8 H 0.051      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.372 1.463 0.000 2.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.140 -2.463 0.000
y -2.463 -24.737 0.000
z 0.000 0.000 -29.754
Traceless
 xyz
x -0.894 -2.463 0.000
y -2.463 4.210 0.000
z 0.000 0.000 -3.316
Polar
3z2-r2-6.632
x2-y2-3.403
xy-2.463
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.039 -0.271 0.000
y -0.271 6.753 0.000
z 0.000 0.000 2.691


<r2> (average value of r2) Å2
<r2> 76.340
(<r2>)1/2 8.737