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All results from a given calculation for C4H5NO (Isoxazole, 5-methyl-)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-285.157426
Energy at 298.15K-285.163901
HF Energy-285.157426
Nuclear repulsion energy225.291547
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 HSEh1PBE/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 3289 3162 0.24      
2 A 3251 3125 2.69      
3 A 3159 3036 5.94      
4 A 3119 2998 5.50      
5 A 3058 2939 11.02      
6 A 1661 1596 41.24      
7 A 1543 1483 48.45      
8 A 1484 1426 9.03      
9 A 1469 1412 8.38      
10 A 1409 1355 1.21      
11 A 1387 1333 8.33      
12 A 1282 1232 23.58      
13 A 1220 1172 9.52      
14 A 1063 1022 3.38      
15 A 1059 1018 3.04      
16 A 1034 994 12.02      
17 A 1016 976 2.39      
18 A 958 921 6.90      
19 A 929 893 16.71      
20 A 921 885 4.71      
21 A 809 778 39.58      
22 A 671 645 0.29      
23 A 660 635 1.29      
24 A 657 632 1.92      
25 A 337 324 2.13      
26 A 256 246 2.31      
27 A 103 99 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 18903.2 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 18167.8 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 HSEh1PBE/cc-pVTZ
ABC
0.31273 0.12035 0.08833

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.075 0.015 0.001
H2 -2.450 -0.175 1.007
H3 -2.466 0.969 -0.346
H4 -2.438 -0.776 -0.655
C5 -0.615 0.050 -0.002
O6 0.143 -1.068 -0.001
N7 1.426 -0.722 0.001
C8 1.466 0.568 0.001
H9 2.358 1.096 -0.000
C10 0.213 1.099 -0.000
H11 -0.054 2.100 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 H9 C10 H11
C11.09111.08761.09011.46082.46813.57763.58374.56272.53152.9035
H21.09111.77241.76812.10672.92164.04144.11085.07423.11933.4541
H31.08761.77241.77292.09543.32774.25743.96734.83762.70402.6860
H41.09011.76811.77292.10552.67813.91934.18035.18963.31213.7927
C51.46082.10672.09542.10551.35012.18142.14403.15121.33612.1257
O62.46812.92163.32772.67811.35011.32892.10393.09702.16793.1744
N73.57764.04144.25743.91932.18141.32891.29042.04342.18773.1868
C83.58374.11083.96734.18032.14402.10391.29041.03681.36082.1586
H94.56275.07424.83765.18963.15123.09702.04341.03682.14482.6126
C102.53153.11932.70403.31211.33612.16792.18771.36082.14481.0366
H112.90353.45412.68603.79272.12573.17443.18682.15862.61261.0366

picture of Isoxazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 O6 122.764 C1 C5 C10 129.622
H2 C1 H3 108.876 H2 C1 H4 108.313
H2 C1 C5 110.448 H3 C1 H4 109.000
H3 C1 C5 109.751 H4 C1 C5 110.411
C5 O6 N7 109.026 C5 C10 C8 105.303
C5 C10 H11 126.790 O6 C5 C10 107.613
O6 N7 C8 106.871 N7 C8 H9 122.440
N7 C8 C10 111.186 C8 C10 H11 127.907
H9 C8 C10 126.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.276      
2 H 0.118      
3 H 0.107      
4 H 0.118      
5 C 0.185      
6 O -0.102      
7 N -0.082      
8 C -0.069      
9 H 0.127      
10 C -0.260      
11 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.958 2.493 -0.000 3.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.349 3.593 0.000
y 3.593 -35.352 -0.000
z 0.000 -0.000 -36.009
Traceless
 xyz
x 4.331 3.593 0.000
y 3.593 -1.673 -0.000
z 0.000 -0.000 -2.658
Polar
3z2-r2-5.316
x2-y24.003
xy3.593
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.142 0.367 -0.000
y 0.367 7.876 0.000
z -0.000 0.000 5.080


<r2> (average value of r2) Å2
<r2> 134.419
(<r2>)1/2 11.594