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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-245.452899
Energy at 298.15K 
HF Energy-244.665063
Nuclear repulsion energy162.722762
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 MP3/TZVP
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' 3364 3146 0.17      
2 A' 3340 3124 0.28      
3 A' 3322 3107 1.27      
4 A' 1654 1547 8.93      
5 A' 1517 1419 29.66      
6 A' 1442 1348 8.86      
7 A' 1293 1210 6.75      
8 A' 1208 1130 22.66      
9 A' 1151 1076 10.64      
10 A' 1066 997 3.61      
11 A' 983 919 41.19      
12 A' 947 885 5.32      
13 A' 939 878 1.46      
14 A" 830 776 16.95      
15 A" 818 765 22.09      
16 A" 746 698 32.65      
17 A" 614 575 0.00      
18 A" 573 536 15.68      

Unscaled Zero Point Vibrational Energy (zpe) 12903.0 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 12066.9 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 MP3/TZVP
ABC
0.33057 0.32301 0.16337

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 0.372 0.000
C2 0.614 -0.960 0.000
C3 0.000 1.121 0.000
N4 -0.690 -0.983 0.000
O5 -1.089 0.337 0.000
H6 2.145 0.700 0.000
H7 1.152 -1.891 0.000
H8 -0.187 2.179 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42541.35102.26362.21301.07282.26312.2328
C21.42542.16951.30402.14012.25781.07593.2392
C31.35102.16952.21431.34202.18653.22531.0743
N42.26361.30402.21431.37873.29682.05353.2018
O52.21302.14011.34201.37873.25453.15992.0514
H61.07282.25782.18653.29683.25452.77492.7619
H72.26311.07593.22532.05353.15992.77494.2850
H82.23283.23921.07433.20182.05142.76194.2850

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.986 C1 C2 H7 129.053
C1 C3 O5 110.522 C1 C3 H8 133.716
C2 C1 C3 102.746 C2 C1 H6 128.762
C2 N4 O5 105.798 C3 C1 H6 128.492
C3 O5 N4 108.947 N4 C2 H7 118.961
O5 C3 H8 115.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability