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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-245.805946
Energy at 298.15K-245.810438
HF Energy-245.805946
Nuclear repulsion energy161.942051
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 PBEPBE/6-31+G**
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' 3246 3209 0.34      
2 A' 3228 3192 0.92      
3 A' 3208 3171 2.57      
4 A' 1528 1511 10.76      
5 A' 1486 1470 29.89      
6 A' 1323 1308 2.53      
7 A' 1230 1216 0.29      
8 A' 1131 1118 21.45      
9 A' 1112 1100 6.13      
10 A' 1064 1052 3.46      
11 A' 1049 1037 42.41      
12 A' 891 881 23.63      
13 A' 881 871 9.40      
14 A" 828 819 6.42      
15 A" 783 774 37.28      
16 A" 718 710 30.24      
17 A" 643 636 24.04      
18 A" 604 597 3.47      

Unscaled Zero Point Vibrational Energy (zpe) 12476.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 12334.7 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 PBEPBE/6-31+G**
ABC
0.33264 0.31645 0.16217

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.112 0.311 0.000
C2 0.000 1.107 0.000
N3 1.136 0.464 0.000
C4 0.762 -0.881 0.000
C5 -0.604 -0.969 0.000
H6 -0.170 2.181 0.000
H7 1.501 -1.680 0.000
H8 -1.328 -1.778 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36742.25322.22081.37782.09393.28492.1008
C21.36741.30502.12822.16191.08813.16463.1762
N32.25321.30501.39562.25382.15772.17423.3316
C42.22082.12821.39561.36823.20071.08832.2746
C51.37782.16192.25381.36823.18032.22111.0862
H62.09391.08812.15773.20073.18034.20704.1257
H73.28493.16462.17421.08832.22114.20702.8307
H82.10083.17623.33162.27461.08624.12572.8307

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.923 O1 C2 H6 116.563
O1 C5 C4 107.949 O1 C5 H8 116.500
C2 O1 C5 103.909 C2 N3 C4 103.957
N3 C2 H6 128.513 N3 C4 C5 109.262
N3 C4 H7 121.675 C4 C5 H8 135.551
C5 C4 H7 129.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.211      
2 C 0.091      
3 N -0.244      
4 C -0.111      
5 C -0.025      
6 H 0.169      
7 H 0.160      
8 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.333 -0.861 0.000 1.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.872 -1.306 0.000
y -1.306 -23.004 0.000
z 0.000 0.000 -30.444
Traceless
 xyz
x -5.148 -1.306 0.000
y -1.306 8.154 0.000
z 0.000 0.000 -3.006
Polar
3z2-r2-6.012
x2-y2-8.868
xy-1.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.075 0.159 0.000
y 0.159 7.608 0.000
z 0.000 0.000 4.180


<r2> (average value of r2) Å2
<r2> 77.088
(<r2>)1/2 8.780