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

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-286.529833
Energy at 298.15K-286.538565
Nuclear repulsion energy237.851704
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 BLYP/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 3083 3077 5.80      
2 A 2984 2978 56.79      
3 A 2971 2966 13.60      
4 A 2965 2960 42.85      
5 A 1649 1646 128.08      
6 A 1470 1467 1.80      
7 A 1450 1447 0.35      
8 A 1415 1412 11.22      
9 A 1356 1353 20.18      
10 A 1310 1307 15.98      
11 A 1277 1275 10.30      
12 A 1185 1183 91.31      
13 A 1032 1030 0.93      
14 A 933 931 21.76      
15 A 922 920 45.73      
16 A 904 902 41.67      
17 A 857 855 30.56      
18 A 723 722 5.20      
19 A 635 634 1.42      
20 A 340 340 6.68      
21 A 3034 3028 39.74      
22 A 3025 3020 8.93      
23 A 2993 2987 8.55      
24 A 1415 1412 7.72      
25 A 1201 1199 0.22      
26 A 1161 1159 2.03      
27 A 1081 1079 0.10      
28 A 1019 1017 1.68      
29 A 806 804 0.18      
30 A 572 571 3.68      
31 A 230 229 10.71      
32 A 127 127 0.61      
33 A 70 70 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 23095.7 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 23051.8 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 BLYP/aug-cc-pVDZ
ABC
0.25218 0.11140 0.08086

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.336 2.154 0.000
C2 0.547 -1.528 0.000
C3 -0.999 -1.305 0.000
N4 -1.178 0.172 0.000
O5 1.099 -0.161 0.000
C6 0.000 0.692 0.000
H7 0.925 -2.040 0.902
H8 0.925 -2.040 -0.902
H9 -1.491 -1.735 0.893
H10 -1.491 -1.735 -0.893
H11 0.939 2.409 0.891
H12 0.939 2.409 -0.891
H13 -0.594 2.743 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.68833.70752.49432.43731.50034.33054.33054.38824.38821.10581.10581.1004
C23.68831.56182.42221.47522.28641.10411.10412.23412.23414.05634.05634.4208
C33.70751.56181.48772.39022.23262.24912.24911.10611.10614.28314.28314.0680
N42.49432.42221.48772.30211.28803.18353.18352.12832.12833.20663.20662.6366
O52.43731.47522.39022.30211.39122.09212.09213.15993.15992.72492.72493.3611
C61.50032.28642.23261.28801.39123.02233.02232.98452.98452.15082.15082.1353
H74.33051.10412.24913.18352.09213.02231.80382.43583.02544.44984.79755.0991
H84.33051.10412.24913.18352.09213.02231.80383.02542.43584.79754.44985.0991
H94.38822.23411.10612.12833.15992.98452.43583.02541.78514.80385.12434.6531
H104.38822.23411.10612.12833.15992.98453.02542.43581.78515.12434.80384.6531
H111.10584.05634.28313.20662.72492.15084.44984.79754.80385.12431.78241.8037
H121.10584.05634.28313.20662.72492.15084.79754.44985.12434.80381.78241.8037
H131.10044.42084.06802.63663.36112.13535.09915.09914.65314.65311.80371.8037

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 126.737 C1 C6 O5 114.846
C2 C3 N4 105.155 C2 C3 H9 112.619
C2 C3 H10 112.619 C2 O5 C6 105.777
C3 C2 O5 103.781 C3 C2 H7 113.951
C3 C2 H8 113.951 C3 N4 C6 106.871
N4 C3 H9 109.398 N4 C3 H10 109.398
N4 C6 O5 118.417 O5 C2 H7 107.538
O5 C2 H8 107.538 C6 C1 H11 110.315
C6 C1 H12 110.315 C6 C1 H13 109.419
H7 C2 H8 109.540 H9 C3 H10 107.594
H11 C1 H12 107.406 H11 C1 H13 109.680
H12 C1 H13 109.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.125      
2 C 1.548      
3 C 1.117      
4 N -0.272      
5 O -0.605      
6 C 0.030      
7 H -0.538      
8 H -0.538      
9 H -0.538      
10 H -0.538      
11 H -0.244      
12 H -0.244      
13 H -0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.937 -0.867 0.000 1.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.330 1.881 0.000
y 1.881 -30.715 0.000
z 0.000 0.000 -36.126
Traceless
 xyz
x -8.909 1.881 0.000
y 1.881 8.513 0.000
z 0.000 0.000 0.396
Polar
3z2-r20.792
x2-y2-11.615
xy1.881
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.593 0.570 0.000
y 0.570 11.248 0.000
z 0.000 0.000 7.192


<r2> (average value of r2) Å2
<r2> 152.493
(<r2>)1/2 12.349