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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-245.995351
Energy at 298.15K-245.999978
HF Energy-245.995351
Nuclear repulsion energy163.241371
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3313 3197 0.47      
2 A' 3288 3173 0.49      
3 A' 3272 3157 2.54      
4 A' 1595 1539 13.84      
5 A' 1549 1495 24.64      
6 A' 1367 1319 2.79      
7 A' 1258 1214 0.38      
8 A' 1177 1136 22.11      
9 A' 1152 1111 10.01      
10 A' 1105 1066 3.45      
11 A' 1085 1047 37.85      
12 A' 929 897 18.88      
13 A' 915 883 17.08      
14 A" 875 845 1.27      
15 A" 838 808 23.15      
16 A" 763 736 28.35      
17 A" 668 645 23.65      
18 A" 631 609 4.65      

Unscaled Zero Point Vibrational Energy (zpe) 12888.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 12437.7 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 B3PW91/cc-pVDZ
ABC
0.33774 0.32195 0.16483

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.103 0.310 0.000
C2 0.000 1.095 0.000
N3 1.129 0.462 0.000
C4 0.755 -0.874 0.000
C5 -0.600 -0.960 0.000
H6 -0.171 2.168 0.000
H7 1.492 -1.674 0.000
H8 -1.325 -1.768 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35382.23692.20281.36542.07963.26602.0890
C21.35381.29382.10832.14031.08733.14463.1539
N32.23691.29381.38742.23842.14482.16633.3152
C42.20282.10831.38741.35773.18011.08752.2634
C51.36542.14032.23841.35773.15762.21041.0852
H62.07961.08732.14483.18013.15764.18634.1018
H73.26603.14462.16631.08752.21044.18632.8181
H82.08903.15393.31522.26341.08524.10182.8181

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.293 O1 C2 H6 116.406
O1 C5 C4 107.988 O1 C5 H8 116.499
C2 O1 C5 103.827 C2 N3 C4 103.635
N3 C2 H6 128.301 N3 C4 C5 109.257
N3 C4 H7 121.696 C4 C5 H8 135.512
C5 C4 H7 129.047
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.170      
2 C 0.191      
3 N -0.222      
4 C 0.007      
5 C 0.072      
6 H 0.056      
7 H 0.029      
8 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.294 -0.723 0.000 1.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.512 -1.136 0.000
y -1.136 -22.533 0.000
z 0.000 0.000 -29.455
Traceless
 xyz
x -4.518 -1.136 0.000
y -1.136 7.450 0.000
z 0.000 0.000 -2.932
Polar
3z2-r2-5.865
x2-y2-7.979
xy-1.136
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.822 0.027 0.000
y 0.027 6.769 0.000
z 0.000 0.000 2.766


<r2> (average value of r2) Å2
<r2> 75.596
(<r2>)1/2 8.695