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All results from a given calculation for C4H5NO (3-Methylisoxazole)

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-285.282167
Energy at 298.15K-285.288499
HF Energy-285.282167
Nuclear repulsion energy222.506660
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 3223 3178 1.73      
2 A 3198 3153 0.83      
3 A 3085 3042 8.79      
4 A 3043 3000 14.48      
5 A 2989 2947 19.25      
6 A 1564 1542 26.09      
7 A 1465 1444 10.87      
8 A 1455 1435 6.58      
9 A 1442 1422 13.08      
10 A 1403 1384 29.21      
11 A 1377 1358 2.79      
12 A 1265 1247 1.89      
13 A 1111 1095 16.52      
14 A 1054 1039 11.81      
15 A 1041 1026 1.69      
16 A 1011 997 2.52      
17 A 959 945 1.08      
18 A 912 899 0.60      
19 A 840 828 0.20      
20 A 830 819 21.55      
21 A 758 747 43.81      
22 A 649 640 0.26      
23 A 648 639 5.53      
24 A 598 589 3.74      
25 A 329 325 6.31      
26 A 263 259 4.89      
27 A 115 114 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18312.1 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 18055.7 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
0.30430 0.11676 0.08573

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 2.133 0.025 0.000
H2 2.520 0.544 0.884
H3 2.511 -0.999 0.000
H4 2.520 0.544 -0.883
C5 -1.485 0.582 0.000
O6 -1.392 -0.764 0.000
N7 -0.024 -1.116 -0.001
C8 0.639 0.024 0.000
C9 -0.248 1.144 -0.000
H10 0.006 2.193 -0.000
H11 -2.488 0.987 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.09521.09171.09523.66073.61152.44011.49422.63083.03754.7196
H21.09521.77821.76704.10144.21763.16352.14232.96673.13405.1040
H31.09171.77821.77814.29763.90952.53762.13363.49364.05805.3786
H41.09521.76701.77814.10154.21773.16322.14232.96653.13375.1041
C53.66074.10144.29764.10151.34902.24022.19601.35912.19541.0811
O63.61154.21763.90954.21771.34901.41212.17762.22463.27072.0653
N72.44013.16352.53763.16322.24021.41211.31862.27143.30963.2390
C81.49422.14232.13362.14232.19602.17761.31861.42872.25983.2712
C92.63082.96673.49362.96651.35912.22462.27141.42871.07932.2453
H103.03753.13404.05803.13372.19543.27073.30962.25981.07932.7702
H114.71965.10405.37865.10411.08112.06533.23903.27122.24532.7702

picture of 3-Methylisoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C8 N7 120.087 C1 C8 C9 128.696
H2 C1 H3 108.745 H2 C1 H4 107.671
H2 C1 C8 110.775 H3 C1 H4 108.745
H3 C1 C8 110.056 H4 C1 C8 110.776
C5 O6 N7 108.857 C5 C9 C8 104.187
C5 C9 H10 127.836 O6 C5 C9 109.967
O6 C5 H11 116.011 O6 N7 C8 105.772
N7 C8 C9 111.217 C8 C9 H10 127.977
C9 C5 H11 134.022
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 0.091      
3 H 0.100      
4 H 0.091      
5 C 0.054      
6 O -0.098      
7 N -0.082      
8 C 0.109      
9 C -0.236      
10 H 0.106      
11 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.570 2.790 0.001 2.847
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.671 -1.846 0.000
y -1.846 -36.386 -0.001
z 0.000 -0.001 -36.023
Traceless
 xyz
x 6.534 -1.846 0.000
y -1.846 -3.539 -0.001
z 0.000 -0.001 -2.994
Polar
3z2-r2-5.989
x2-y26.715
xy-1.846
xz0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.425 -0.240 -0.000
y -0.240 8.199 0.000
z -0.000 0.000 5.183


<r2> (average value of r2) Å2
<r2> 137.501
(<r2>)1/2 11.726