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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-245.657409
Energy at 298.15K 
HF Energy-244.673726
Nuclear repulsion energy162.820233
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3350 3180 0.54 118.87 0.12 0.21
2 A' 3321 3153 0.69 34.41 0.67 0.80
3 A' 3309 3142 0.28 90.48 0.42 0.59
4 A' 1590 1509 6.92 6.96 0.08 0.14
5 A' 1469 1394 25.52 17.12 0.38 0.55
6 A' 1411 1339 2.46 4.92 0.09 0.16
7 A' 1244 1181 4.25 12.25 0.08 0.15
8 A' 1190 1130 17.02 2.86 0.56 0.72
9 A' 1147 1089 5.50 10.84 0.09 0.17
10 A' 1063 1009 6.61 3.41 0.70 0.83
11 A' 961 912 25.92 6.46 0.13 0.23
12 A' 926 879 2.19 4.22 0.68 0.81
13 A' 918 871 5.39 0.29 0.52 0.68
14 A" 929 882 3.31 0.47 0.75 0.86
15 A" 879 834 4.03 0.04 0.75 0.86
16 A" 803 762 63.92 0.15 0.75 0.86
17 A" 664 630 0.98 0.29 0.75 0.86
18 A" 629 597 10.94 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12899.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12247.2 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 MP2=FULL/cc-pVTZ
ABC
0.32905 0.32551 0.16363

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.123 0.360 0.000
C2 0.622 -0.954 0.000
C3 0.000 1.122 0.000
N4 -0.696 -0.980 0.000
O5 -1.089 0.338 0.000
H6 2.140 0.690 0.000
H7 1.154 -1.883 0.000
H8 -0.183 2.176 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.40601.35702.25922.21201.06872.24372.2370
C21.40602.16641.31822.14372.23721.07143.2315
C31.35702.16642.21351.34112.18283.21901.0702
N42.25921.31822.21351.37533.29072.05903.1971
O52.21202.14371.34111.37533.24753.15702.0487
H61.06872.23722.18283.29073.24752.75582.7575
H72.24371.07143.21902.05903.15702.75584.2741
H82.23703.23151.07023.19712.04872.75754.2741

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.017 C1 C2 H7 129.333
C1 C3 O5 110.133 C1 C3 H8 133.987
C2 C1 C3 103.252 C2 C1 H6 128.868
C2 N4 O5 105.461 C3 C1 H6 127.880
C3 O5 N4 109.137 N4 C2 H7 118.651
O5 C3 H8 115.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability