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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B2PLYP=FULLultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-244.354976
Energy at 298.15K 
HF Energy-244.174091
Nuclear repulsion energy158.066774
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 B2PLYP=FULLultrafine/3-21G
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' 3342 3342 0.68 101.67 0.10 0.18
2 A' 3316 3316 0.42 53.72 0.69 0.82
3 A' 3293 3293 1.00 75.70 0.40 0.57
4 A' 1550 1550 9.29 5.64 0.14 0.25
5 A' 1400 1400 29.12 11.23 0.62 0.76
6 A' 1371 1371 1.02 14.75 0.33 0.50
7 A' 1219 1219 5.11 8.81 0.22 0.36
8 A' 1159 1159 15.59 8.25 0.63 0.77
9 A' 1076 1076 2.23 7.06 0.14 0.24
10 A' 1021 1021 12.87 2.47 0.55 0.71
11 A' 943 943 3.44 5.57 0.58 0.73
12 A' 895 895 1.18 1.92 0.47 0.64
13 A' 778 778 12.53 8.36 0.15 0.26
14 A" 932 932 2.96 1.81 0.75 0.86
15 A" 898 898 3.48 1.55 0.75 0.86
16 A" 801 801 74.61 1.41 0.75 0.86
17 A" 637 637 11.67 0.14 0.75 0.86
18 A" 582 582 6.89 1.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12605.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12605.9 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 B2PLYP=FULLultrafine/3-21G
ABC
0.31466 0.30214 0.15413

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 0.389 0.000
C2 0.648 -0.961 0.000
C3 0.000 1.154 0.000
N4 -0.680 -1.064 0.000
O5 -1.139 0.361 0.000
H6 2.149 0.717 0.000
H7 1.235 -1.864 0.000
H8 -0.165 2.216 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43191.36242.31852.26631.07372.25512.2384
C21.43192.21231.33212.22332.25141.07693.2798
C31.36242.21232.32051.38812.19313.26111.0749
N42.31851.33212.32051.49773.34322.07513.3209
O52.26632.22331.38811.49773.30753.25392.0954
H61.07372.25142.19313.34323.30752.73822.7574
H72.25511.07693.26112.07513.25392.73824.3139
H82.23843.27981.07493.32092.09542.75744.3139

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 113.986 C1 C2 H7 127.453
C1 C3 O5 110.961 C1 C3 H8 133.036
C2 C1 C3 104.663 C2 C1 H6 127.353
C2 N4 O5 103.405 C3 C1 H6 127.984
C3 O5 N4 106.984 N4 C2 H7 118.561
O5 C3 H8 116.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.356      
2 C 0.052      
3 C 0.148      
4 N -0.208      
5 O -0.346      
6 H 0.213      
7 H 0.246      
8 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.861 1.453 0.000 3.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.997 -2.500 -0.002
y -2.500 -24.798 0.000
z -0.002 0.000 -30.364
Traceless
 xyz
x -1.416 -2.500 -0.002
y -2.500 4.883 0.000
z -0.002 0.000 -3.467
Polar
3z2-r2-6.934
x2-y2-4.200
xy-2.500
xz-0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.585 -0.319 0.000
y -0.319 6.314 0.000
z 0.000 0.000 1.732


<r2> (average value of r2) Å2
<r2> 79.767
(<r2>)1/2 8.931