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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-245.889100
Energy at 298.15K-245.893726
HF Energy-245.606456
Nuclear repulsion energy163.340720
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 B2PLYP/6-31G(2df,p)
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' 3334 3184 0.51      
2 A' 3310 3161 0.36      
3 A' 3299 3151 2.27      
4 A' 1574 1503 10.23      
5 A' 1536 1467 23.50      
6 A' 1363 1302 5.43      
7 A' 1283 1226 0.41      
8 A' 1181 1128 23.55      
9 A' 1132 1081 6.99      
10 A' 1113 1062 11.15      
11 A' 1084 1035 29.40      
12 A' 928 886 17.03      
13 A' 916 875 17.87      
14 A" 871 832 2.13      
15 A" 848 809 19.10      
16 A" 771 737 23.42      
17 A" 670 640 22.39      
18 A" 632 604 3.47      

Unscaled Zero Point Vibrational Energy (zpe) 12923.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 12341.5 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 B2PLYP/6-31G(2df,p)
ABC
0.33770 0.32247 0.16496

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 0.310 0.000
C2 0.000 1.095 0.000
N3 1.129 0.462 0.000
C4 0.753 -0.876 0.000
C5 -0.598 -0.960 0.000
H6 -0.170 2.158 0.000
H7 1.482 -1.668 0.000
H8 -1.316 -1.759 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35432.23732.20331.36702.07003.25532.0797
C21.35431.29392.10992.14031.07623.13513.1426
N32.23731.29391.38962.23702.13582.15903.3029
C42.20332.10991.38961.35413.17101.07612.2500
C51.36702.14032.23701.35413.14692.19721.0740
H62.07001.07622.13583.17103.14694.16704.0806
H73.25533.13512.15901.07612.19724.16702.7997
H82.07973.14263.30292.25001.07404.08062.7997

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.294 O1 C2 H6 116.321
O1 C5 C4 108.136 O1 C5 H8 116.337
C2 O1 C5 103.723 C2 N3 C4 103.618
N3 C2 H6 128.385 N3 C4 C5 109.229
N3 C4 H7 121.717 C4 C5 H8 135.526
C5 C4 H7 129.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.165      
2 C 0.078      
3 N -0.245      
4 C -0.119      
5 C -0.020      
6 H 0.165      
7 H 0.142      
8 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.320 -0.783 0.000 1.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.666 -1.194 0.000
y -1.194 -22.497 0.000
z 0.000 0.000 -29.283
Traceless
 xyz
x -4.776 -1.194 0.000
y -1.194 7.478 0.000
z 0.000 0.000 -2.702
Polar
3z2-r2-5.404
x2-y2-8.169
xy-1.194
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.868 0.025 0.000
y 0.025 6.709 0.000
z 0.000 0.000 2.936


<r2> (average value of r2) Å2
<r2> 75.476
(<r2>)1/2 8.688