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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-245.992627
Energy at 298.15K-245.997263
HF Energy-245.992627
Nuclear repulsion energy163.961825
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 B1B95/6-31+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' 3346 3201 0.48      
2 A' 3323 3179 0.69      
3 A' 3308 3164 2.91      
4 A' 1616 1546 20.27      
5 A' 1566 1498 29.76      
6 A' 1390 1330 3.29      
7 A' 1282 1226 0.28      
8 A' 1205 1153 29.83      
9 A' 1163 1112 9.74      
10 A' 1124 1075 1.99      
11 A' 1102 1054 45.02      
12 A' 929 888 17.84      
13 A' 914 874 14.61      
14 A" 887 848 1.84      
15 A" 850 813 27.51      
16 A" 773 739 38.77      
17 A" 665 636 27.93      
18 A" 627 600 4.56      

Unscaled Zero Point Vibrational Energy (zpe) 13034.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 12469.0 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 B1B95/6-31+G**
ABC
0.33987 0.32548 0.16626

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.097 0.308 0.000
C2 0.000 1.093 0.000
N3 1.122 0.461 0.000
C4 0.750 -0.871 0.000
C5 -0.597 -0.959 0.000
H6 -0.168 2.157 0.000
H7 1.481 -1.663 0.000
H8 -1.314 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34882.22392.19131.36142.06913.24472.0796
C21.34881.28782.10282.13681.07723.12863.1413
N32.22391.28781.38302.22932.13122.15383.2964
C42.19132.10281.38301.35023.16461.07722.2473
C51.36142.13682.22931.35023.14492.19421.0753
H62.06911.07722.13123.16463.14494.16074.0814
H73.24473.12862.15381.07722.19424.16072.7962
H82.07963.14133.29642.24731.07534.08142.7962

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.997 O1 C2 H6 116.611
O1 C5 C4 107.821 O1 C5 H8 116.690
C2 O1 C5 104.075 C2 N3 C4 103.810
N3 C2 H6 128.392 N3 C4 C5 109.297
N3 C4 H7 121.702 C4 C5 H8 135.490
C5 C4 H7 129.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.260      
2 C 0.141      
3 N -0.278      
4 C -0.116      
5 C 0.001      
6 H 0.171      
7 H 0.164      
8 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.352 -0.864 0.000 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.611 -1.290 0.000
y -1.290 -22.633 0.000
z 0.000 0.000 -30.079
Traceless
 xyz
x -5.255 -1.290 0.000
y -1.290 8.211 0.000
z 0.000 0.000 -2.957
Polar
3z2-r2-5.914
x2-y2-8.977
xy-1.290
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.659 0.119 0.000
y 0.119 7.111 0.000
z 0.000 0.000 3.943


<r2> (average value of r2) Å2
<r2> 75.453
(<r2>)1/2 8.686