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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-246.104665
Energy at 298.15K-246.109278
HF Energy-246.104665
Nuclear repulsion energy162.756208
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 B3LYPultrafine/aug-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' 3303 3205 0.48      
2 A' 3281 3184 0.93      
3 A' 3264 3168 2.65      
4 A' 1572 1526 10.98      
5 A' 1524 1479 29.04      
6 A' 1353 1312 3.31      
7 A' 1265 1228 0.20      
8 A' 1157 1122 18.75      
9 A' 1122 1089 11.01      
10 A' 1090 1058 9.46      
11 A' 1064 1033 37.05      
12 A' 924 896 20.50      
13 A' 912 885 14.54      
14 A" 875 849 1.78      
15 A" 840 815 24.25      
16 A" 757 734 36.58      
17 A" 663 643 26.17      
18 A" 623 605 5.96      

Unscaled Zero Point Vibrational Energy (zpe) 12794.6 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 12415.8 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.33417 0.32139 0.16383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.102 0.311 0.000
C2 0.000 1.106 0.000
N3 1.125 0.463 0.000
C4 0.756 -0.880 0.000
C5 -0.600 -0.968 0.000
H6 -0.167 2.177 0.000
H7 1.492 -1.678 0.000
H8 -1.320 -1.776 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35932.23292.20731.37322.08773.26822.0983
C21.35931.29612.12562.15881.08393.15823.1703
N32.23291.29611.39352.24172.14662.17203.3159
C42.20732.12561.39351.35913.19381.08462.2610
C51.37322.15882.24171.35913.17442.20901.0826
H62.08771.08392.14663.19383.17444.19644.1181
H73.26823.15822.17201.08462.20904.19642.8130
H82.09833.17033.31592.26101.08264.11812.8130

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.447 O1 C2 H6 116.953
O1 C5 C4 107.768 O1 C5 H8 116.901
C2 O1 C5 104.373 C2 N3 C4 104.367
N3 C2 H6 128.600 N3 C4 C5 109.045
N3 C4 H7 121.940 C4 C5 H8 135.331
C5 C4 H7 129.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.377      
2 C 0.597      
3 N -0.314      
4 C 0.473      
5 C 0.871      
6 H -0.341      
7 H -0.418      
8 H -0.489      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.312 -0.825 0.000 1.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.876 -1.317 0.000
y -1.317 -23.071 0.000
z 0.000 0.000 -30.268
Traceless
 xyz
x -5.207 -1.317 0.000
y -1.317 8.001 0.000
z 0.000 0.000 -2.795
Polar
3z2-r2-5.589
x2-y2-8.805
xy-1.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.101 0.146 0.000
y 0.146 7.865 0.000
z 0.000 0.000 4.514


<r2> (average value of r2) Å2
<r2> 76.494
(<r2>)1/2 8.746