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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-245.846772
Energy at 298.15K-245.851269
HF Energy-245.846772
Nuclear repulsion energy162.353618
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 PBEPBEultrafine/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' 3225 3191 1.41      
2 A' 3205 3172 0.50      
3 A' 3185 3152 3.89      
4 A' 1528 1512 10.28      
5 A' 1488 1472 25.22      
6 A' 1319 1305 2.91      
7 A' 1230 1218 0.37      
8 A' 1125 1114 15.96      
9 A' 1109 1097 9.06      
10 A' 1057 1046 9.85      
11 A' 1048 1037 35.24      
12 A' 898 889 23.11      
13 A' 888 879 13.45      
14 A" 821 813 5.30      
15 A" 778 770 32.25      
16 A" 714 706 28.32      
17 A" 651 644 22.67      
18 A" 613 607 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 12441.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 12311.7 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 PBEPBEultrafine/6-311G*
ABC
0.33474 0.31771 0.16300

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.112 0.310 0.000
C2 0.000 1.100 0.000
N3 1.134 0.464 0.000
C4 0.760 -0.877 0.000
C5 -0.601 -0.965 0.000
H6 -0.173 2.173 0.000
H7 1.500 -1.674 0.000
H8 -1.326 -1.772 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36442.25212.21701.37432.08663.28032.0930
C21.36441.30032.11802.15081.08693.15343.1633
N32.25211.30031.39252.24802.15132.16913.3249
C42.21702.11801.39251.36353.18941.08742.2700
C51.37432.15082.24801.36353.16742.21691.0849
H62.08661.08692.15133.18943.16744.19474.1102
H73.28033.15342.16911.08742.21694.19472.8279
H82.09303.16333.32492.27001.08494.11022.8279

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.357 O1 C2 H6 116.236
O1 C5 C4 108.154 O1 C5 H8 116.164
C2 O1 C5 103.509 C2 N3 C4 103.673
N3 C2 H6 128.407 N3 C4 C5 109.307
N3 C4 H7 121.522 C4 C5 H8 135.682
C5 C4 H7 129.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.185      
2 C 0.055      
3 N -0.266      
4 C -0.161      
5 C -0.103      
6 H 0.230      
7 H 0.209      
8 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.294 -0.785 0.000 1.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.990 -1.200 0.000
y -1.200 -22.724 0.000
z 0.000 0.000 -29.944
Traceless
 xyz
x -4.656 -1.200 0.000
y -1.200 7.743 0.000
z 0.000 0.000 -3.087
Polar
3z2-r2-6.175
x2-y2-8.266
xy-1.200
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.106 0.061 0.000
y 0.061 7.004 0.000
z 0.000 0.000 3.076


<r2> (average value of r2) Å2
<r2> 76.444
(<r2>)1/2 8.743