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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-245.427432
Energy at 298.15K 
HF Energy-244.641813
Nuclear repulsion energy161.964889
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 MP2/6-311G**
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' 3330 3164 0.22 113.56 0.12 0.22
2 A' 3306 3141 0.42 43.33 0.70 0.82
3 A' 3290 3126 0.51 87.33 0.41 0.58
4 A' 1577 1498 6.01 6.71 0.10 0.18
5 A' 1455 1383 26.94 19.55 0.38 0.55
6 A' 1400 1330 2.67 4.20 0.10 0.18
7 A' 1234 1172 5.24 9.42 0.13 0.23
8 A' 1183 1124 16.19 3.47 0.55 0.71
9 A' 1138 1082 6.27 10.38 0.12 0.22
10 A' 1057 1005 6.25 4.18 0.68 0.81
11 A' 968 919 29.27 6.88 0.16 0.28
12 A' 921 875 2.19 4.58 0.70 0.83
13 A' 914 869 3.03 0.30 0.75 0.86
14 A" 867 823 4.49 0.80 0.75 0.86
15 A" 843 801 6.93 0.11 0.75 0.86
16 A" 779 740 62.18 0.50 0.75 0.86
17 A" 644 612 0.11 0.41 0.75 0.86
18 A" 610 580 12.30 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12756.8 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 12121.5 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 MP2/6-311G**
ABC
0.32583 0.32180 0.16190

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.132 0.362 0.000
C2 0.623 -0.961 0.000
C3 0.000 1.128 0.000
N4 -0.703 -0.981 0.000
O5 -1.091 0.339 0.000
H6 2.158 0.693 0.000
H7 1.152 -1.904 0.000
H8 -0.191 2.190 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41771.36662.27412.22351.07802.26582.2564
C21.41772.17961.32622.15172.25621.08103.2544
C31.36662.17962.22271.34622.20163.24291.0793
N42.27411.32622.22271.37623.31462.07203.2120
O52.22352.15171.34621.37623.26863.17242.0580
H61.07802.25622.20163.31463.26862.78422.7858
H72.26581.08103.24292.07203.17242.78424.3083
H82.25643.25441.07933.21202.05802.78584.3083

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.903 C1 C2 H7 129.648
C1 C3 O5 110.088 C1 C3 H8 134.255
C2 C1 C3 103.025 C2 C1 H6 128.889
C2 N4 O5 105.526 C3 C1 H6 128.086
C3 O5 N4 109.458 N4 C2 H7 118.449
O5 C3 H8 115.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability