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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: TPSSh/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-246.141934
Energy at 298.15K 
HF Energy-246.141934
Nuclear repulsion energy162.053534
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/daug-cc-pVTZ
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' 3274 3274 0.04 131.88 0.10 0.18
2 A' 3250 3250 0.01 57.44 0.66 0.80
3 A' 3228 3228 1.27 94.27 0.37 0.54
4 A' 1591 1591 10.11 3.76 0.01 0.02
5 A' 1457 1457 30.95 36.62 0.21 0.35
6 A' 1398 1398 4.96 4.44 0.04 0.07
7 A' 1244 1244 5.40 17.68 0.08 0.14
8 A' 1149 1149 21.75 4.59 0.29 0.45
9 A' 1119 1119 8.19 13.48 0.06 0.11
10 A' 1045 1045 7.56 2.49 0.60 0.75
11 A' 924 924 9.87 2.45 0.71 0.83
12 A' 905 905 1.18 0.66 0.52 0.68
13 A' 863 863 22.93 6.30 0.12 0.21
14 A" 914 914 6.14 0.25 0.75 0.86
15 A" 877 877 0.07 0.58 0.75 0.86
16 A" 789 789 63.31 0.10 0.75 0.86
17 A" 643 643 2.56 0.15 0.75 0.86
18 A" 605 605 11.64 0.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12637.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12637.6 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 TPSSh/daug-cc-pVTZ
ABC
0.32803 0.32051 0.16211

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 0.367 0.000
C2 0.618 -0.959 0.000
C3 0.000 1.126 0.000
N4 -0.691 -0.995 0.000
O5 -1.093 0.346 0.000
H6 2.149 0.695 0.000
H7 1.162 -1.891 0.000
H8 -0.182 2.188 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41911.35612.26912.21741.07612.25892.2411
C21.41912.17401.30902.15182.25371.07993.2469
C31.35612.17402.23051.34292.19173.23321.0779
N42.26911.30902.23051.40023.30452.05813.2235
O52.21742.15181.34291.40023.26103.17682.0551
H61.07612.25372.19173.30453.26102.76852.7684
H72.25891.07993.23322.05813.17682.76854.2953
H82.24113.24691.07793.22352.05512.76844.2953

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.493 C1 C2 H7 128.852
C1 C3 O5 110.485 C1 C3 H8 133.756
C2 C1 C3 103.120 C2 C1 H6 128.640
C2 N4 O5 105.116 C3 C1 H6 128.240
C3 O5 N4 108.786 N4 C2 H7 118.655
O5 C3 H8 115.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 C 0.424      
3 C -0.613      
4 N -0.774      
5 O -0.811      
6 H 0.249      
7 H 0.770      
8 H 0.745      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.556 1.498 0.000 2.963
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 7.160 -0.077 0.000
y -0.077 7.871 0.000
z 0.000 0.000 4.490


<r2> (average value of r2) Å2
<r2> 76.909
(<r2>)1/2 8.770