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

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-282.825277
Energy at 298.15K-282.833614
Nuclear repulsion energy231.145733
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/STO-3G
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 3389 3136 0.06      
2 A 3214 2974 3.56      
3 A 3209 2969 0.15      
4 A 3187 2948 6.21      
5 A 1647 1523 11.85      
6 A 1612 1491 0.93      
7 A 1601 1481 6.75      
8 A 1584 1465 23.80      
9 A 1503 1390 0.60      
10 A 1382 1279 12.58      
11 A 1349 1248 3.72      
12 A 1272 1177 72.60      
13 A 1077 997 3.79      
14 A 1020 944 7.23      
15 A 983 910 2.87      
16 A 923 854 10.90      
17 A 875 809 2.36      
18 A 737 682 1.44      
19 A 628 581 3.10      
20 A 318 294 3.24      
21 A 3354 3103 0.19      
22 A 3318 3070 3.60      
23 A 3292 3046 3.22      
24 A 1610 1490 5.73      
25 A 1277 1181 0.02      
26 A 1192 1103 1.02      
27 A 1111 1028 2.74      
28 A 1081 1000 1.71      
29 A 832 770 0.05      
30 A 494 457 2.86      
31 A 227 210 7.32      
32 A 151 140 0.13      
33 A 84 78 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24766.5 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 22913.9 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 BLYP/STO-3G
ABC
0.23387 0.10645 0.07644

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.329 2.206 0.000
C2 0.565 -1.556 0.000
C3 -1.007 -1.351 0.000
N4 -1.248 0.192 0.000
O5 1.161 -0.159 0.000
C6 0.000 0.695 0.000
H7 0.936 -2.090 0.910
H8 0.936 -2.090 -0.910
H9 -1.486 -1.794 0.904
H10 -1.486 -1.794 -0.904
H11 0.921 2.477 0.900
H12 0.921 2.477 -0.900
H13 -0.617 2.782 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.76983.80002.55802.50761.54654.43364.43364.48484.48481.11071.11071.1075
C23.76981.58492.51831.51902.32101.11831.11832.25402.25404.14774.14774.4965
C33.80001.58491.56202.47422.28072.26862.26861.11501.11504.37984.37984.1519
N42.55802.51831.56202.43461.34563.28703.28702.19512.19513.27653.27652.6660
O52.50761.51902.47422.43461.44162.14662.14663.24023.24022.79602.79603.4373
C61.54652.32102.28071.34561.44163.07603.07603.03683.03682.19852.19852.1765
H74.43361.11832.26863.28702.14663.07601.81962.43983.04024.56754.91295.1943
H84.43361.11832.26863.28702.14663.07601.81963.04022.43984.91294.56755.1943
H94.48482.25401.11502.19513.24023.03682.43983.04021.80844.90275.22414.7450
H104.48482.25401.11502.19513.24023.03683.04022.43981.80845.22414.90274.7450
H111.11074.14774.37983.27652.79602.19854.56754.91294.90275.22411.79971.8079
H121.11074.14774.37983.27652.79602.19854.91294.56755.22414.90271.79971.8079
H131.10754.49654.15192.66603.43732.17655.19435.19434.74504.74501.80791.8079

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 124.233 C1 C6 O5 114.068
C2 C3 N4 106.306 C2 C3 H9 112.020
C2 C3 H10 112.020 C2 O5 C6 103.220
C3 C2 O5 105.696 C3 C2 H7 112.987
C3 C2 H8 112.987 C3 N4 C6 103.080
N4 C3 H9 109.022 N4 C3 H10 109.022
N4 C6 O5 121.699 O5 C2 H7 108.007
O5 C2 H8 108.007 C6 C1 H11 110.586
C6 C1 H12 110.586 C6 C1 H13 109.065
H7 C2 H8 108.890 H9 C3 H10 108.371
H11 C1 H12 108.222 H11 C1 H13 109.177
H12 C1 H13 109.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 C -0.060      
3 C -0.087      
4 N -0.239      
5 O -0.141      
6 C 0.138      
7 H 0.083      
8 H 0.083      
9 H 0.084      
10 H 0.084      
11 H 0.090      
12 H 0.090      
13 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.101 -0.910 0.000 1.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.640 1.392 0.000
y 1.392 -28.432 0.000
z 0.000 0.000 -32.778
Traceless
 xyz
x -7.035 1.392 0.000
y 1.392 6.777 0.000
z 0.000 0.000 0.258
Polar
3z2-r20.517
x2-y2-9.208
xy1.392
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.574 0.426 0.000
y 0.426 6.025 0.000
z 0.000 0.000 2.865


<r2> (average value of r2) Å2
<r2> 157.308
(<r2>)1/2 12.542