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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-286.253416
Energy at 298.15K-286.262188
Nuclear repulsion energy239.441068
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 PBEPBEultrafine/6-31G*
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 3122 3070 4.36      
2 A 3002 2952 13.99      
3 A 3000 2950 45.37      
4 A 2983 2934 45.32      
5 A 1699 1671 118.76      
6 A 1504 1479 1.11      
7 A 1479 1454 0.32      
8 A 1459 1435 10.34      
9 A 1389 1366 37.37      
10 A 1344 1322 16.10      
11 A 1304 1283 13.29      
12 A 1222 1202 90.69      
13 A 1059 1041 2.65      
14 A 986 970 85.55      
15 A 958 942 2.27      
16 A 929 913 18.10      
17 A 888 874 18.30      
18 A 736 724 4.71      
19 A 651 640 2.19      
20 A 339 333 5.53      
21 A 3063 3013 7.47      
22 A 3048 2997 45.26      
23 A 3012 2963 7.54      
24 A 1456 1432 9.71      
25 A 1218 1198 0.08      
26 A 1185 1165 0.86      
27 A 1093 1075 0.04      
28 A 1037 1019 3.88      
29 A 814 800 0.04      
30 A 572 563 4.12      
31 A 231 227 9.84      
32 A 139 136 1.18      
33 A 71 70 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23494.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 23107.2 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 PBEPBEultrafine/6-31G*
ABC
0.25387 0.11346 0.08208

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.335 2.136 0.000
C2 0.548 -1.509 0.000
C3 -0.992 -1.291 0.000
N4 -1.180 0.170 0.000
O5 1.093 -0.160 0.000
C6 0.000 0.679 0.000
H7 0.924 -2.029 0.897
H8 0.924 -2.029 -0.897
H9 -1.481 -1.730 0.889
H10 -1.481 -1.730 -0.889
H11 0.936 2.393 0.888
H12 0.936 2.393 -0.888
H13 -0.592 2.725 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.65053.67472.48152.41731.49434.30074.30074.36244.36241.10341.10341.0982
C23.65051.55542.40881.45482.25561.10321.10322.22612.22614.02044.02044.3846
C33.67471.55541.47302.37212.20612.24102.24101.10511.10514.25234.25234.0362
N42.48152.40881.47302.29631.28493.17273.17272.11912.11913.19533.19532.6221
O52.41731.45482.37212.29631.37782.08022.08023.14333.14332.70752.70753.3408
C61.49432.25562.20611.28491.37782.99902.99902.96452.96452.14552.14552.1297
H74.30071.10322.24103.17272.08022.99901.79442.42373.01054.42204.76895.0700
H84.30071.10322.24103.17272.08022.99901.79443.01052.42374.76894.42205.0700
H94.36242.22611.10512.11913.14332.96452.42373.01051.77724.77965.09934.6293
H104.36242.22611.10512.11913.14332.96453.01052.42371.77725.09934.77964.6293
H111.10344.02044.25233.19532.70752.14554.42204.76894.77965.09931.77671.7986
H121.10344.02044.25233.19532.70752.14554.76894.42205.09934.77961.77671.7986
H131.09824.38464.03622.62213.34082.12975.07005.07004.62934.62931.79861.7986

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 126.305 C1 C6 O5 114.569
C2 C3 N4 105.355 C2 C3 H9 112.482
C2 C3 H10 112.482 C2 O5 C6 105.522
C3 C2 O5 103.953 C3 C2 H7 113.808
C3 C2 H8 113.808 C3 N4 C6 106.043
N4 C3 H9 109.740 N4 C3 H10 109.740
N4 C6 O5 119.126 O5 C2 H7 108.029
O5 C2 H8 108.029 C6 C1 H11 110.460
C6 C1 H12 110.460 C6 C1 H13 109.522
H7 C2 H8 108.823 H9 C3 H10 107.039
H11 C1 H12 107.243 H11 C1 H13 109.561
H12 C1 H13 109.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.560      
2 C -0.105      
3 C -0.225      
4 N -0.412      
5 O -0.430      
6 C 0.483      
7 H 0.167      
8 H 0.167      
9 H 0.169      
10 H 0.169      
11 H 0.189      
12 H 0.189      
13 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.971 -0.840 0.000 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.350 1.720 0.000
y 1.720 -29.548 0.000
z 0.000 0.000 -34.990
Traceless
 xyz
x -8.081 1.720 0.000
y 1.720 8.122 0.000
z 0.000 0.000 -0.041
Polar
3z2-r2-0.081
x2-y2-10.802
xy1.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.545 0.674 0.000
y 0.674 9.249 0.000
z 0.000 0.000 5.638


<r2> (average value of r2) Å2
<r2> 149.778
(<r2>)1/2 12.238