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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B1B95/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 B1B95/daug-cc-pVTZ
 hartrees
Energy at 0K-246.032096
Energy at 298.15K 
HF Energy-246.032096
Nuclear repulsion energy163.494071
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 B1B95/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' 3308 3308 0.12 120.84 0.10 0.18
2 A' 3281 3281 0.08 53.71 0.61 0.76
3 A' 3262 3262 0.96 90.15 0.36 0.53
4 A' 1626 1626 11.26 2.75 0.03 0.05
5 A' 1491 1491 32.02 41.20 0.17 0.30
6 A' 1421 1421 7.15 3.45 0.09 0.17
7 A' 1264 1264 7.67 17.23 0.09 0.17
8 A' 1174 1174 18.61 1.39 0.46 0.63
9 A' 1143 1143 8.73 14.75 0.09 0.16
10 A' 1051 1051 4.99 2.62 0.58 0.73
11 A' 945 945 30.78 4.29 0.14 0.25
12 A' 927 927 6.63 3.36 0.39 0.57
13 A' 922 922 3.48 0.86 0.74 0.85
14 A" 931 931 5.60 0.34 0.75 0.86
15 A" 898 898 0.13 0.51 0.75 0.86
16 A" 796 796 61.56 0.09 0.75 0.86
17 A" 658 658 1.45 0.20 0.75 0.86
18 A" 616 616 13.06 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12856.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12856.6 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 B1B95/daug-cc-pVTZ
ABC
0.33346 0.32656 0.16499

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.119 0.363 0.000
C2 0.609 -0.955 0.000
C3 0.000 1.116 0.000
N4 -0.690 -0.977 0.000
O5 -1.081 0.340 0.000
H6 2.141 0.690 0.000
H7 1.145 -1.889 0.000
H8 -0.180 2.175 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41301.34872.25112.20011.07262.25182.2298
C21.41302.15861.29942.12912.24741.07643.2283
C31.34872.15862.20371.33082.18243.21531.0747
N42.25111.29942.20371.37353.28492.04873.1935
O52.20012.12911.33081.37353.24043.14952.0450
H61.07262.24742.18243.28493.24042.76432.7551
H72.25181.07643.21532.04873.14952.76434.2746
H82.22983.22831.07473.19352.04502.75514.2746

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.117 C1 C2 H7 129.021
C1 C3 O5 110.383 C1 C3 H8 133.570
C2 C1 C3 102.790 C2 C1 H6 128.901
C2 N4 O5 105.569 C3 C1 H6 128.308
C3 O5 N4 109.140 N4 C2 H7 118.862
O5 C3 H8 116.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.491      
2 C -0.412      
3 C -1.165      
4 N -0.812      
5 O -0.662      
6 H 0.865      
7 H 1.345      
8 H 1.333      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.531 1.509 0.000 2.946
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.453 -2.643 0.000
y -2.643 -25.156 0.000
z 0.000 0.000 -29.981
Traceless
 xyz
x -0.885 -2.643 0.000
y -2.643 4.061 0.000
z 0.000 0.000 -3.176
Polar
3z2-r2-6.353
x2-y2-3.297
xy-2.643
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.991 -0.081 0.000
y -0.081 7.641 0.000
z 0.000 0.000 4.421


<r2> (average value of r2) Å2
<r2> 75.861
(<r2>)1/2 8.710