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All results from a given calculation for C4H7NO (Oxazole, 4,5-dihydro-2-methyl-)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-286.268576
Energy at 298.15K-286.277323
Nuclear repulsion energy239.309433
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3118 3100 2.85      
2 A 2990 2972 11.37      
3 A 2978 2960 51.25      
4 A 2962 2945 46.01      
5 A 1696 1686 120.16      
6 A 1447 1438 3.74      
7 A 1419 1411 0.32      
8 A 1399 1391 7.79      
9 A 1355 1347 60.38      
10 A 1314 1306 8.20      
11 A 1275 1268 10.91      
12 A 1206 1199 68.75      
13 A 1045 1039 6.19      
14 A 981 976 83.47      
15 A 955 950 0.74      
16 A 923 918 17.75      
17 A 883 878 20.95      
18 A 737 733 4.89      
19 A 653 650 2.13      
20 A 336 334 5.00      
21 A 3059 3041 5.84      
22 A 3028 3010 42.24      
23 A 2993 2976 6.46      
24 A 1394 1386 8.98      
25 A 1191 1184 0.10      
26 A 1160 1153 1.29      
27 A 1069 1063 0.00      
28 A 1008 1002 3.16      
29 A 795 790 0.00      
30 A 572 568 2.79      
31 A 229 227 9.11      
32 A 137 136 1.22      
33 A 59 59 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23182.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 23047.9 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/cc-pVDZ
ABC
0.25370 0.11343 0.08208

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.331 2.136 0.000
C2 0.549 -1.507 0.000
C3 -0.989 -1.292 0.000
N4 -1.180 0.168 0.000
O5 1.094 -0.158 0.000
C6 0.000 0.680 0.000
H7 0.929 -2.031 0.901
H8 0.929 -2.031 -0.901
H9 -1.482 -1.735 0.892
H10 -1.482 -1.735 -0.892
H11 0.938 2.392 0.891
H12 0.938 2.392 -0.891
H13 -0.600 2.727 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.64933.67322.48032.41691.49254.30474.30474.36654.36651.10871.10871.1031
C23.64931.55292.40741.45522.25511.10941.10942.22962.22964.01894.01894.3875
C33.67321.55291.47302.37162.20652.24402.24401.11101.11104.25244.25244.0382
N42.48032.40741.47302.29661.28613.17723.17722.12392.12393.19763.19762.6237
O52.41691.45522.37162.29661.37772.08532.08533.14923.14922.70592.70593.3455
C61.49252.25512.20651.28611.37773.00423.00422.97102.97102.14602.14602.1332
H74.30471.10942.24403.17722.08533.00421.80252.42853.01864.42334.77285.0785
H84.30471.10942.24403.17722.08533.00421.80253.01862.42854.77284.42335.0785
H94.36652.22961.11102.12393.14922.97102.42853.01861.78334.78475.10624.6355
H104.36652.22961.11102.12393.14922.97103.01862.42851.78335.10624.78474.6355
H111.10874.01894.25243.19762.70592.14604.42334.77284.78475.10621.78301.8091
H121.10874.01894.25243.19762.70592.14604.77284.42335.10624.78471.78301.8091
H131.10314.38754.03822.62373.34552.13325.07855.07854.63554.63551.80911.8091

picture of Oxazole, 4,5-dihydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 N4 126.253 C1 C6 O5 114.663
C2 C3 N4 105.394 C2 C3 H9 112.588
C2 C3 H10 112.588 C2 O5 C6 105.480
C3 C2 O5 104.028 C3 C2 H7 113.847
C3 C2 H8 113.847 C3 N4 C6 106.014
N4 C3 H9 109.765 N4 C3 H10 109.765
N4 C6 O5 119.084 O5 C2 H7 108.046
O5 C2 H8 108.046 C6 C1 H11 110.308
C6 C1 H12 110.308 C6 C1 H13 109.632
H7 C2 H8 108.649 H9 C3 H10 106.748
H11 C1 H12 107.045 H11 C1 H13 109.756
H12 C1 H13 109.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 C 0.081      
3 C 0.011      
4 N -0.245      
5 O -0.248      
6 C 0.065      
7 H 0.039      
8 H 0.039      
9 H 0.037      
10 H 0.037      
11 H 0.059      
12 H 0.059      
13 H 0.056      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.945 -0.740 0.000 1.200
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.368 1.652 0.000
y 1.652 -30.166 0.000
z 0.000 0.000 -35.185
Traceless
 xyz
x -7.692 1.652 0.000
y 1.652 7.610 0.000
z 0.000 0.000 0.082
Polar
3z2-r20.164
x2-y2-10.201
xy1.652
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.768 0.711 0.000
y 0.711 9.770 0.000
z 0.000 0.000 5.908


<r2> (average value of r2) Å2
<r2> 150.039
(<r2>)1/2 12.249