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

using model chemistry: PBEPBE/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-286.355777
Energy at 298.15K-286.364538
Nuclear repulsion energy240.060074
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-pVTZ
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 3098 3077 3.88      
2 A 2985 2964 16.36      
3 A 2983 2962 47.54      
4 A 2968 2947 42.14      
5 A 1681 1670 127.36      
6 A 1473 1463 2.68      
7 A 1450 1440 0.51      
8 A 1426 1416 11.21      
9 A 1364 1354 41.26      
10 A 1325 1316 11.73      
11 A 1283 1274 7.61      
12 A 1207 1199 89.76      
13 A 1045 1038 2.79      
14 A 967 961 83.35      
15 A 949 942 0.74      
16 A 921 915 22.02      
17 A 881 875 22.74      
18 A 732 727 5.52      
19 A 650 645 1.65      
20 A 341 338 5.72      
21 A 3040 3019 6.79      
22 A 3027 3006 38.58      
23 A 2991 2970 5.52      
24 A 1423 1413 8.72      
25 A 1207 1198 0.11      
26 A 1173 1164 1.73      
27 A 1080 1073 0.02      
28 A 1023 1016 2.56      
29 A 804 798 0.07      
30 A 581 577 3.05      
31 A 230 229 9.99      
32 A 129 128 0.72      
33 A 58 58 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23245.1 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 23084.7 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-pVTZ
ABC
0.25613 0.11376 0.08245

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.332 2.132 0.000
C2 0.544 -1.508 0.000
C3 -0.990 -1.291 0.000
N4 -1.171 0.169 0.000
O5 1.090 -0.158 0.000
C6 0.000 0.681 0.000
H7 0.918 -2.025 0.894
H8 0.918 -2.025 -0.894
H9 -1.478 -1.726 0.885
H10 -1.478 -1.726 -0.885
H11 0.933 2.386 0.885
H12 0.933 2.386 -0.885
H13 -0.590 2.719 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.64603.66972.47242.41211.48874.29224.29224.35244.35241.09911.09911.0937
C23.64601.54932.39921.45602.25531.09861.09862.21812.21814.01194.01194.3768
C33.66971.54931.47192.36862.20662.23102.23101.10031.10034.24284.24284.0305
N42.47242.39921.47192.28501.27823.15913.15912.11422.11423.18183.18182.6154
O52.41211.45602.36862.28501.37542.07732.07733.13623.13622.69802.69803.3321
C61.48872.25532.20661.27821.37542.99402.99402.95982.95982.13552.13552.1223
H74.29221.09862.23103.15912.07732.99401.78882.41422.99934.41094.75625.0580
H84.29221.09862.23103.15912.07732.99401.78882.99932.41424.75624.41095.0580
H94.35242.21811.10032.11423.13622.95982.41422.99931.77054.76655.08454.6187
H104.35242.21811.10032.11423.13622.95982.99932.41421.77055.08454.76654.6187
H111.09914.01194.24283.18182.69802.13554.41094.75624.76655.08451.76951.7928
H121.09914.01194.24283.18182.69802.13554.75624.41095.08454.76651.76951.7928
H131.09374.37684.03052.61543.33212.12235.05805.05804.61874.61871.79281.7928

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 126.485 C1 C6 O5 114.683
C2 C3 N4 105.121 C2 C3 H9 112.575
C2 C3 H10 112.575 C2 O5 C6 105.564
C3 C2 O5 103.981 C3 C2 H7 113.737
C3 C2 H8 113.737 C3 N4 C6 106.502
N4 C3 H9 109.715 N4 C3 H10 109.715
N4 C6 O5 118.833 O5 C2 H7 107.994
O5 C2 H8 107.994 C6 C1 H11 110.317
C6 C1 H12 110.317 C6 C1 H13 109.591
H7 C2 H8 108.998 H9 C3 H10 107.130
H11 C1 H12 107.212 H11 C1 H13 109.686
H12 C1 H13 109.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.267      
2 C -0.009      
3 C -0.075      
4 N -0.215      
5 O -0.226      
6 C 0.150      
7 H 0.077      
8 H 0.077      
9 H 0.078      
10 H 0.078      
11 H 0.107      
12 H 0.107      
13 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.965 -0.793 0.000 1.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.056 1.766 0.000
y 1.766 -30.264 0.000
z 0.000 0.000 -35.442
Traceless
 xyz
x -8.203 1.766 0.000
y 1.766 7.985 0.000
z 0.000 0.000 0.218
Polar
3z2-r20.437
x2-y2-10.792
xy1.766
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.526 0.651 0.000
y 0.651 10.443 0.000
z 0.000 0.000 6.530


<r2> (average value of r2) Å2
<r2> 149.569
(<r2>)1/2 12.230