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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-244.633377
Energy at 298.15K-244.637816
HF Energy-244.633377
Nuclear repulsion energy158.690962
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 BLYP/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' 3261 3243 0.23      
2 A' 3244 3226 0.08      
3 A' 3225 3207 1.42      
4 A' 1468 1460 3.46      
5 A' 1410 1402 10.42      
6 A' 1281 1274 15.26      
7 A' 1229 1222 0.11      
8 A' 1120 1114 7.96      
9 A' 1002 997 3.45      
10 A' 986 981 9.46      
11 A' 928 923 15.46      
12 A' 864 860 17.23      
13 A' 836 831 27.94      
14 A" 867 862 1.72      
15 A" 798 794 45.12      
16 A" 750 746 30.11      
17 A" 639 636 14.65      
18 A" 598 595 10.57      

Unscaled Zero Point Vibrational Energy (zpe) 12253.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 12185.9 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 BLYP/3-21G
ABC
0.31594 0.30632 0.15553

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.124 0.311 0.000
C2 0.000 1.150 0.000
N3 1.135 0.477 0.000
C4 0.770 -0.902 0.000
C5 -0.601 -1.004 0.000
H6 -0.169 2.218 0.000
H7 1.509 -1.692 0.000
H8 -1.309 -1.819 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40302.26552.24931.41482.13343.30842.1381
C21.40301.32012.19232.23651.08113.21813.2452
N32.26551.32011.42662.28202.17552.20073.3534
C42.24932.19231.42661.37493.25861.08172.2720
C51.41482.23652.28201.37493.25102.21991.0796
H62.13341.08112.17553.25863.25104.25494.1954
H73.30843.21812.20071.08172.21994.25492.8209
H82.13813.24523.35342.27201.07964.19542.8209

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.566 O1 C2 H6 117.783
O1 C5 C4 107.455 O1 C5 H8 117.364
C2 O1 C5 105.064 C2 N3 C4 105.842
N3 C2 H6 129.651 N3 C4 C5 109.073
N3 C4 H7 122.043 C4 C5 H8 135.180
C5 C4 H7 128.884
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.405      
2 C 0.252      
3 N -0.450      
4 C -0.057      
5 C 0.029      
6 H 0.229      
7 H 0.193      
8 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.053 -0.899 0.000 1.384
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.392 -1.116 0.000
y -1.116 -22.229 0.000
z 0.000 0.000 -29.924
Traceless
 xyz
x -5.315 -1.116 0.000
y -1.116 8.429 0.000
z 0.000 0.000 -3.114
Polar
3z2-r2-6.228
x2-y2-9.163
xy-1.116
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.386 -0.019 0.000
y -0.019 6.477 0.000
z 0.000 0.000 1.874


<r2> (average value of r2) Å2
<r2> 79.072
(<r2>)1/2 8.892