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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-246.040010
Energy at 298.15K-246.044669
HF Energy-246.040010
Nuclear repulsion energy164.325923
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 B1B95/6-311G**
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' 3325 3192 0.64      
2 A' 3298 3166 0.39      
3 A' 3286 3154 3.10      
4 A' 1611 1547 18.39      
5 A' 1561 1499 25.58      
6 A' 1381 1326 3.19      
7 A' 1277 1226 0.50      
8 A' 1192 1145 25.73      
9 A' 1157 1111 11.50      
10 A' 1118 1074 5.91      
11 A' 1098 1054 40.73      
12 A' 935 898 17.87      
13 A' 919 882 16.97      
14 A" 894 858 0.89      
15 A" 857 823 22.88      
16 A" 781 750 35.49      
17 A" 671 644 26.86      
18 A" 634 609 5.32      

Unscaled Zero Point Vibrational Energy (zpe) 12997.5 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 12478.9 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 B1B95/6-311G**
ABC
0.34144 0.32687 0.16700

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.096 0.307 0.000
C2 0.000 1.088 0.000
N3 1.120 0.461 0.000
C4 0.749 -0.869 0.000
C5 -0.594 -0.956 0.000
H6 -0.169 2.151 0.000
H7 1.479 -1.659 0.000
H8 -1.309 -1.756 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34612.22122.18751.35872.06363.23912.0740
C21.34611.28372.09572.12901.07563.12003.1316
N32.22121.28371.38072.22402.12522.15013.2891
C42.18752.09571.38071.34593.15591.07552.2414
C51.35872.12902.22401.34593.13542.18881.0734
H62.06361.07562.12523.15593.13544.15064.0698
H73.23913.12002.15011.07552.18884.15062.7898
H82.07403.13163.28912.24141.07344.06982.7898

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.241 O1 C2 H6 116.446
O1 C5 C4 107.962 O1 C5 H8 116.545
C2 O1 C5 103.831 C2 N3 C4 103.666
N3 C2 H6 128.313 N3 C4 C5 109.300
N3 C4 H7 121.676 C4 C5 H8 135.494
C5 C4 H7 129.024
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.219      
2 C 0.189      
3 N -0.307      
4 C -0.065      
5 C -0.002      
6 H 0.141      
7 H 0.127      
8 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.313 -0.798 0.000 1.536
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.945 -1.200 0.000
y -1.200 -22.434 0.000
z 0.000 0.000 -29.586
Traceless
 xyz
x -4.935 -1.200 0.000
y -1.200 7.832 0.000
z 0.000 0.000 -2.897
Polar
3z2-r2-5.794
x2-y2-8.512
xy-1.200
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.913 0.038 0.000
y 0.038 6.676 0.000
z 0.000 0.000 3.065


<r2> (average value of r2) Å2
<r2> 74.914
(<r2>)1/2 8.655