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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP2=FULL/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-245.413673
Energy at 298.15K 
HF Energy-244.618016
Nuclear repulsion energy160.791790
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/daug-cc-pVDZ
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' 3332 3332 0.35 139.94 0.08 0.15
2 A' 3309 3309 0.78 39.56 0.74 0.85
3 A' 3294 3294 0.24 90.19 0.40 0.57
4 A' 1562 1562 8.32 12.84 0.03 0.06
5 A' 1452 1452 23.85 19.17 0.35 0.52
6 A' 1378 1378 2.63 10.43 0.03 0.06
7 A' 1211 1211 3.61 19.54 0.04 0.07
8 A' 1156 1156 17.70 3.09 0.42 0.59
9 A' 1123 1123 4.23 14.33 0.04 0.08
10 A' 1046 1046 8.17 3.04 0.73 0.84
11 A' 932 932 21.14 6.46 0.17 0.29
12 A' 905 905 0.88 3.70 0.37 0.54
13 A' 895 895 10.80 2.05 0.10 0.18
14 A" 881 881 4.75 0.14 0.75 0.86
15 A" 838 838 4.10 0.53 0.75 0.86
16 A" 767 767 68.22 0.11 0.75 0.86
17 A" 641 641 0.26 0.21 0.75 0.86
18 A" 609 609 10.84 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12665.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12665.3 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/daug-cc-pVDZ
ABC
0.32095 0.31745 0.15960

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.137 0.362 0.000
C2 0.629 -0.967 0.000
C3 0.000 1.137 0.000
N4 -0.706 -0.991 0.000
O5 -1.100 0.344 0.000
H6 2.169 0.697 0.000
H7 1.163 -1.914 0.000
H8 -0.190 2.206 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42301.37602.28702.23711.08482.27602.2714
C21.42302.19601.33602.17002.26731.08693.2766
C31.37602.19602.24201.35562.21313.26481.0854
N42.28701.33602.24201.39183.33452.08523.2380
O52.23712.17001.35561.39183.28773.19682.0719
H61.08482.26732.21313.33453.28772.79792.7998
H72.27601.08693.26482.08523.19682.79794.3358
H82.27143.27661.08543.23802.07192.79984.3358

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.939 C1 C2 H7 129.656
C1 C3 O5 109.958 C1 C3 H8 134.332
C2 C1 C3 103.345 C2 C1 H6 128.906
C2 N4 O5 105.385 C3 C1 H6 127.749
C3 O5 N4 109.372 N4 C2 H7 118.405
O5 C3 H8 115.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability