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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBE/6-31G

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/6-31G
 hartrees
Energy at 0K-245.705155
Energy at 298.15K-245.709618
HF Energy-245.705155
Nuclear repulsion energy159.612639
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/6-31G
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' 3299 3253 0.37      
2 A' 3289 3244 1.01      
3 A' 3257 3212 1.98      
4 A' 1506 1485 4.25      
5 A' 1451 1431 19.92      
6 A' 1299 1281 10.41      
7 A' 1228 1211 0.23      
8 A' 1129 1113 12.02      
9 A' 1060 1045 1.22      
10 A' 1004 990 18.66      
11 A' 976 962 19.42      
12 A' 875 863 14.31      
13 A' 862 850 32.48      
14 A" 858 846 4.75      
15 A" 786 775 49.83      
16 A" 744 734 21.02      
17 A" 642 633 22.48      
18 A" 601 592 7.74      

Unscaled Zero Point Vibrational Energy (zpe) 12432.2 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 12260.7 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/6-31G
ABC
0.32031 0.30964 0.15744

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.119 0.311 0.000
C2 0.000 1.142 0.000
N3 1.136 0.472 0.000
C4 0.767 -0.896 0.000
C5 -0.604 -0.996 0.000
H6 -0.166 2.212 0.000
H7 1.509 -1.686 0.000
H8 -1.320 -1.808 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.39382.26082.23871.40472.12653.30062.1284
C21.39381.31882.17762.22211.08273.20553.2318
N32.26081.31881.41752.27732.17312.19023.3513
C42.23872.17761.41751.37463.24511.08412.2768
C51.40472.22212.27731.37463.23802.22331.0820
H62.12651.08272.17313.24513.23804.24274.1822
H73.30063.20552.19021.08412.22334.24272.8315
H82.12843.23183.35132.27681.08204.18222.8315

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.874 O1 C2 H6 117.782
O1 C5 C4 107.311 O1 C5 H8 117.135
C2 O1 C5 105.124 C2 N3 C4 105.405
N3 C2 H6 129.345 N3 C4 C5 109.286
N3 C4 H7 121.648 C4 C5 H8 135.554
C5 C4 H7 129.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.417      
2 C 0.193      
3 N -0.348      
4 C -0.068      
5 C 0.067      
6 H 0.203      
7 H 0.176      
8 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.094 -1.041 0.000 1.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.101 -1.155 0.000
y -1.155 -22.158 0.000
z 0.000 0.000 -29.812
Traceless
 xyz
x -6.116 -1.155 0.000
y -1.155 8.799 0.000
z 0.000 0.000 -2.683
Polar
3z2-r2-5.365
x2-y2-9.943
xy-1.155
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.854 0.030 0.000
y 0.030 6.747 0.000
z 0.000 0.000 2.303


<r2> (average value of r2) Å2
<r2> 78.496
(<r2>)1/2 8.860