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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-244.603600
Energy at 298.15K-244.608224
HF Energy-244.603600
Nuclear repulsion energy161.284928
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 B1B95/3-21G*
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' 3384 3232 0.45      
2 A' 3363 3211 1.02      
3 A' 3349 3198 1.62      
4 A' 1551 1481 6.17      
5 A' 1502 1434 16.78      
6 A' 1347 1286 12.81      
7 A' 1276 1218 0.04      
8 A' 1167 1114 12.88      
9 A' 1075 1026 8.40      
10 A' 1050 1002 14.40      
11 A' 1036 989 17.83      
12 A' 913 872 1.39      
13 A' 903 862 45.14      
14 A" 949 906 0.87      
15 A" 876 836 33.19      
16 A" 820 783 49.34      
17 A" 670 640 20.97      
18 A" 629 601 15.12      

Unscaled Zero Point Vibrational Energy (zpe) 12928.5 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 12345.5 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 B1B95/3-21G*
ABC
0.32503 0.31802 0.16075

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 0.307 0.000
C2 0.000 1.138 0.000
N3 1.119 0.472 0.000
C4 0.757 -0.893 0.000
C5 -0.595 -0.992 0.000
H6 -0.166 2.196 0.000
H7 1.489 -1.675 0.000
H8 -1.297 -1.799 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.38192.22912.21481.39582.10903.26432.1152
C21.38191.30242.16782.21211.07073.18323.2111
N32.22911.30241.41182.25412.15042.17843.3160
C42.21482.16781.41181.35593.22401.07122.2456
C51.39582.21212.25411.35593.21712.19331.0697
H62.10901.07072.15043.22403.21714.21014.1523
H73.26433.18322.17841.07122.19334.21012.7896
H82.11523.21113.31602.24561.06974.15232.7896

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.253 O1 C2 H6 118.052
O1 C5 C4 107.193 O1 C5 H8 117.560
C2 O1 C5 105.571 C2 N3 C4 105.938
N3 C2 H6 129.695 N3 C4 C5 109.045
N3 C4 H7 122.041 C4 C5 H8 135.246
C5 C4 H7 128.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.479      
2 C 0.279      
3 N -0.503      
4 C -0.090      
5 C 0.014      
6 H 0.275      
7 H 0.244      
8 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.116 -0.971 0.000 1.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.610 -1.136 0.000
y -1.136 -21.730 0.000
z 0.000 0.000 -29.976
Traceless
 xyz
x -5.757 -1.136 0.000
y -1.136 9.063 0.000
z 0.000 0.000 -3.307
Polar
3z2-r2-6.614
x2-y2-9.880
xy-1.136
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.193 -0.027 0.000
y -0.027 6.108 0.000
z 0.000 0.000 1.850


<r2> (average value of r2) Å2
<r2> 77.099
(<r2>)1/2 8.781