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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: TPSSh/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 TPSSh/cc-pVDZ
 hartrees
Energy at 0K-246.072763
Energy at 298.15K 
HF Energy-246.072763
Nuclear repulsion energy161.495168
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 TPSSh/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' 3289 3198 0.09 130.68 0.11 0.19
2 A' 3265 3174 0.03 57.14 0.71 0.83
3 A' 3241 3152 1.75 99.08 0.40 0.57
4 A' 1599 1555 8.79 2.03 0.06 0.12
5 A' 1472 1431 30.13 27.56 0.33 0.50
6 A' 1395 1357 4.23 2.88 0.12 0.22
7 A' 1235 1201 6.77 12.72 0.21 0.34
8 A' 1145 1114 21.88 3.24 0.70 0.83
9 A' 1123 1092 6.79 10.37 0.15 0.27
10 A' 1040 1012 8.18 4.64 0.69 0.82
11 A' 920 894 9.42 4.41 0.65 0.79
12 A' 901 876 0.57 1.14 0.41 0.58
13 A' 876 851 23.88 4.89 0.15 0.27
14 A" 902 877 4.85 1.84 0.75 0.86
15 A" 862 838 0.09 0.19 0.75 0.86
16 A" 785 763 49.39 1.11 0.75 0.86
17 A" 642 624 2.56 0.36 0.75 0.86
18 A" 604 588 12.00 1.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12647.5 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 12298.5 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 TPSSh/cc-pVDZ
ABC
0.32535 0.31877 0.16101

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.132 0.368 0.000
C2 0.619 -0.961 0.000
C3 0.000 1.129 0.000
N4 -0.698 -0.994 0.000
O5 -1.095 0.345 0.000
H6 2.166 0.697 0.000
H7 1.163 -1.905 0.000
H8 -0.190 2.199 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42451.36432.28092.22711.08532.27252.2586
C21.42452.17971.31692.15442.26821.08903.2619
C31.36432.17972.23471.34672.20883.24871.0868
N42.28091.31692.23471.39643.32602.07133.2332
O52.22712.15441.34671.39643.28003.18682.0634
H61.08532.26822.20883.32603.28002.78872.7938
H72.27251.08903.24872.07133.18682.78874.3207
H82.25863.26191.08683.23322.06342.79384.3207

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.556 C1 C2 H7 128.912
C1 C3 O5 110.470 C1 C3 H8 133.970
C2 C1 C3 102.792 C2 C1 H6 128.803
C2 N4 O5 105.091 C3 C1 H6 128.405
C3 O5 N4 109.091 N4 C2 H7 118.532
O5 C3 H8 115.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.170      
2 C 0.149      
3 C 0.216      
4 N -0.129      
5 O -0.153      
6 H 0.012      
7 H 0.032      
8 H 0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.390 1.443 0.000 2.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.138 -0.266 0.000
y -0.266 6.915 0.000
z 0.000 0.000 2.694


<r2> (average value of r2) Å2
<r2> 77.076
(<r2>)1/2 8.779