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

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-286.366962
Energy at 298.15K-286.375717
HF Energy-286.366962
Nuclear repulsion energy240.090631
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/Def2TZVPP
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' 3099 3062 3.61      
2 A' 2985 2949 19.19      
3 A' 2983 2947 44.41      
4 A' 2969 2933 40.51      
5 A' 1680 1660 131.12      
6 A' 1473 1456 3.02      
7 A' 1450 1432 0.62      
8 A' 1425 1408 11.55      
9 A' 1364 1348 40.11      
10 A' 1326 1310 12.01      
11 A' 1284 1269 7.45      
12 A' 1208 1193 91.74      
13 A' 1046 1034 2.95      
14 A' 969 958 83.76      
15 A' 949 938 1.09      
16 A' 922 911 21.27      
17 A' 882 871 23.76      
18 A' 733 724 5.23      
19 A' 650 642 1.60      
20 A' 342 338 6.05      
21 A" 3042 3006 5.93      
22 A" 3030 2993 37.30      
23 A" 2995 2959 4.73      
24 A" 1424 1407 9.10      
25 A" 1207 1192 0.11      
26 A" 1174 1160 1.71      
27 A" 1081 1068 0.02      
28 A" 1022 1010 2.36      
29 A" 805 795 0.08      
30 A" 581 574 3.12      
31 A" 232 229 10.31      
32 A" 134 132 0.73      
33 A" 56 56 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23261.7 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 22980.2 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 PBEPBE/Def2TZVPP
ABC
0.25636 0.11373 0.08246

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.332 2.136 0.000
C2 0.546 -1.508 0.000
C3 -0.989 -1.295 0.000
N4 -1.170 0.167 0.000
O5 1.086 -0.157 0.000
C6 0.000 0.684 0.000
H7 0.918 -2.026 0.894
H8 0.918 -2.026 -0.894
H9 -1.475 -1.730 0.886
H10 -1.475 -1.730 -0.886
H11 0.932 2.389 0.885
H12 0.932 2.389 -0.885
H13 -0.590 2.724 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.65113.67742.47672.41461.49034.29754.29754.35904.35901.09871.09871.0937
C23.65111.54922.39781.45512.25901.09851.09852.21732.21734.01554.01554.3820
C33.67741.54921.47372.36672.21242.22942.22941.10001.10004.24844.24844.0390
N42.47672.39781.47372.27921.27863.15733.15732.11592.11593.18393.18392.6215
O52.41461.45512.36672.27921.37392.07842.07843.13333.13332.70062.70063.3335
C61.49032.25902.21241.27861.37392.99762.99762.96412.96412.13562.13562.1238
H74.29751.09852.22943.15732.07842.99761.78892.41132.99734.41524.76045.0632
H84.29751.09852.22943.15732.07842.99761.78892.99732.41134.76044.41525.0632
H94.35902.21731.10002.11593.13332.96412.41132.99731.77184.77085.08904.6264
H104.35902.21731.10002.11593.13332.96412.99732.41131.77185.08904.77084.6264
H111.09874.01554.24843.18392.70062.13564.41524.76044.77085.08901.77081.7923
H121.09874.01554.24843.18392.70062.13564.76044.41525.08904.77081.77081.7923
H131.09374.38204.03902.62153.33352.12385.06325.06324.62644.62641.79231.7923

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 126.718 C1 C6 O5 114.861
C2 C3 N4 104.948 C2 C3 H9 112.543
C2 C3 H10 112.543 C2 O5 C6 105.938
C3 C2 O5 103.911 C3 C2 H7 113.618
C3 C2 H8 113.618 C3 N4 C6 106.781
N4 C3 H9 109.748 N4 C3 H10 109.748
N4 C6 O5 118.422 O5 C2 H7 108.147
O5 C2 H8 108.147 C6 C1 H11 110.240
C6 C1 H12 110.240 C6 C1 H13 109.592
H7 C2 H8 109.028 H9 C3 H10 107.295
H11 C1 H12 107.389 H11 C1 H13 109.675
H12 C1 H13 109.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C -0.017      
3 C -0.028      
4 N -0.204      
5 O -0.228      
6 C 0.113      
7 H 0.080      
8 H 0.080      
9 H 0.068      
10 H 0.068      
11 H 0.098      
12 H 0.098      
13 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.981 -0.805 0.000 1.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.296 1.803 0.000
y 1.803 -30.301 0.000
z 0.000 0.000 -35.542
Traceless
 xyz
x -8.375 1.803 0.000
y 1.803 8.119 0.000
z 0.000 0.000 0.256
Polar
3z2-r20.512
x2-y2-10.996
xy1.803
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.804 0.631 0.000
y 0.631 10.606 0.000
z 0.000 0.000 6.729


<r2> (average value of r2) Å2
<r2> 149.643
(<r2>)1/2 12.233