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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-246.044468
Energy at 298.15K-246.049118
HF Energy-246.044468
Nuclear repulsion energy163.510931
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 mPW1PW91/aug-cc-pVDZ
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' 3332 3193 0.45      
2 A' 3308 3170 0.74      
3 A' 3293 3156 2.74      
4 A' 1602 1535 13.89      
5 A' 1555 1490 27.72      
6 A' 1376 1319 3.16      
7 A' 1272 1219 0.28      
8 A' 1185 1136 24.27      
9 A' 1153 1105 10.01      
10 A' 1112 1066 3.44      
11 A' 1089 1043 39.60      
12 A' 934 895 19.05      
13 A' 919 880 13.89      
14 A" 884 847 1.24      
15 A" 853 818 24.34      
16 A" 768 736 38.11      
17 A" 669 641 26.72      
18 A" 631 605 5.06      

Unscaled Zero Point Vibrational Energy (zpe) 12967.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 12426.6 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 mPW1PW91/aug-cc-pVDZ
ABC
0.33781 0.32394 0.16537

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.099 0.310 0.000
C2 0.000 1.097 0.000
N3 1.124 0.461 0.000
C4 0.753 -0.875 0.000
C5 -0.599 -0.960 0.000
H6 -0.167 2.167 0.000
H7 1.486 -1.673 0.000
H8 -1.319 -1.767 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35172.22782.19861.36522.07753.25782.0889
C21.35171.29132.11102.14261.08293.14323.1533
N32.22781.29131.38662.23312.13942.16423.3061
C42.19862.11101.38661.35433.17811.08342.2554
C51.36522.14262.23311.35433.15682.20321.0815
H62.07751.08292.13943.17813.15684.18054.0992
H73.25783.14322.16421.08342.20324.18052.8062
H82.08893.15333.30612.25541.08154.09922.8062

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.881 O1 C2 H6 116.725
O1 C5 C4 107.890 O1 C5 H8 116.778
C2 O1 C5 104.117 C2 N3 C4 103.993
N3 C2 H6 128.394 N3 C4 C5 109.118
N3 C4 H7 121.894 C4 C5 H8 135.332
C5 C4 H7 128.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.438      
2 C 0.563      
3 N -0.447      
4 C 0.378      
5 C 0.735      
6 H -0.193      
7 H -0.263      
8 H -0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.350 -0.797 0.000 1.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.403 -1.314 0.000
y -1.314 -22.726 0.000
z 0.000 0.000 -30.082
Traceless
 xyz
x -4.998 -1.314 0.000
y -1.314 8.016 0.000
z 0.000 0.000 -3.018
Polar
3z2-r2-6.035
x2-y2-8.676
xy-1.314
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.942 0.141 0.000
y 0.141 7.694 0.000
z 0.000 0.000 4.443


<r2> (average value of r2) Å2
<r2> 75.760
(<r2>)1/2 8.704