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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-285.283659
Energy at 298.15K-285.289935
HF Energy-285.283659
Nuclear repulsion energy223.031329
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 B97D3/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 3220 3175 1.34      
2 A 3176 3131 5.01      
3 A 3084 3041 10.20      
4 A 3043 3000 10.37      
5 A 2989 2947 18.44      
6 A 1596 1574 36.58      
7 A 1467 1446 36.61      
8 A 1459 1439 12.02      
9 A 1446 1426 6.81      
10 A 1385 1366 0.34      
11 A 1334 1316 5.48      
12 A 1225 1208 18.41      
13 A 1181 1165 8.40      
14 A 1041 1027 2.29      
15 A 1032 1017 5.29      
16 A 1000 986 6.28      
17 A 969 955 2.55      
18 A 918 906 11.31      
19 A 874 861 4.69      
20 A 826 814 12.21      
21 A 774 763 35.71      
22 A 651 642 0.23      
23 A 635 626 1.67      
24 A 625 616 1.61      
25 A 329 324 1.94      
26 A 241 238 2.10      
27 A 86 84 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 18301.9 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 18045.7 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 B97D3/cc-pVTZ
ABC
0.30704 0.11797 0.08660

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.109 0.017 0.000
H2 2.468 -0.522 -0.883
H3 2.545 1.018 -0.000
H4 2.468 -0.522 0.884
C5 0.626 0.108 0.000
O6 -0.063 -1.060 0.000
N7 -1.449 -0.786 -0.001
C8 -1.530 0.526 0.000
H9 -2.510 0.987 0.000
C10 -0.255 1.152 -0.000
H11 -0.025 2.206 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 H9 C10 H11
C11.09531.09171.09531.48602.42393.64723.67454.72022.62263.0577
H21.09531.77691.76752.13782.73354.02344.22645.27643.31623.8000
H31.09171.77691.77692.12383.33414.38194.10425.05542.80312.8316
H41.09531.76751.77692.13782.73374.02384.22615.27613.31603.7998
C51.48602.13782.12382.13781.35582.25882.19603.25711.36622.1973
O62.42392.73353.33412.73371.35581.41312.16133.19112.22083.2669
N73.64724.02344.38194.02382.25881.41311.31492.06632.27623.3136
C83.67454.22644.10424.22612.19602.16131.31491.08321.42022.2553
H94.72025.27645.05545.27613.25713.19112.06631.08322.26152.7683
C102.62263.31622.80313.31601.36622.22082.27621.42022.26151.0790
H113.05773.80002.83163.79982.19733.26693.31362.25532.76831.0790

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 117.026 C1 C5 C10 134.101
H2 C1 H3 108.643 H2 C1 H4 107.723
H2 C1 C5 110.860 H3 C1 H4 108.643
H3 C1 C5 110.034 H4 C1 C5 110.860
C5 O6 N7 109.802 C5 C10 C8 104.233
C5 C10 H11 127.459 O6 C5 C10 108.874
O6 N7 C8 104.708 N7 C8 H9 118.657
N7 C8 C10 112.383 C8 C10 H11 128.308
H9 C8 C10 128.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.251      
2 H 0.103      
3 H 0.095      
4 H 0.103      
5 C 0.194      
6 O -0.103      
7 N -0.088      
8 C -0.045      
9 H 0.102      
10 C -0.220      
11 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.937 2.462 0.001 3.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.524 -3.530 -0.002
y -3.530 -35.471 -0.001
z -0.002 -0.001 -35.961
Traceless
 xyz
x 4.192 -3.530 -0.002
y -3.530 -1.728 -0.001
z -0.002 -0.001 -2.464
Polar
3z2-r2-4.928
x2-y23.947
xy-3.530
xz-0.002
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.701 -0.359 0.000
y -0.359 8.148 0.000
z 0.000 0.000 5.176


<r2> (average value of r2) Å2
<r2> 136.588
(<r2>)1/2 11.687