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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP3=FULL/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=FULL/TZVP
 hartrees
Energy at 0K-245.580893
Energy at 298.15K-245.585483
HF Energy-244.710266
Nuclear repulsion energy163.859777
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=FULL/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' 3375 3151 0.58      
2 A' 3350 3128 0.21      
3 A' 3342 3120 2.40      
4 A' 1637 1528 17.33      
5 A' 1589 1483 32.24      
6 A' 1406 1313 3.69      
7 A' 1324 1236 0.22      
8 A' 1229 1147 40.27      
9 A' 1152 1076 7.84      
10 A' 1137 1062 12.69      
11 A' 1114 1040 40.62      
12 A' 958 894 16.07      
13 A' 937 875 16.12      
14 A" 834 779 27.58      
15 A" 794 741 15.35      
16 A" 727 679 13.67      
17 A" 651 607 33.20      
18 A" 592 553 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 13073.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 12206.6 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=FULL/TZVP
ABC
0.33874 0.32549 0.16599

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.097 0.308 0.000
C2 0.000 1.093 0.000
N3 1.122 0.465 0.000
C4 0.749 -0.874 0.000
C5 -0.596 -0.960 0.000
H6 -0.166 2.152 0.000
H7 1.476 -1.663 0.000
H8 -1.307 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34922.22502.19281.36322.06653.24172.0790
C21.34921.28552.10512.13711.07263.12633.1383
N32.22501.28551.39072.23182.12252.15773.2945
C42.19282.10511.39071.34773.16221.07252.2389
C51.36322.13712.23181.34773.14162.18811.0710
H62.06651.07262.12253.16223.14164.15394.0759
H73.24173.12632.15771.07252.18814.15392.7848
H82.07903.13833.29452.23891.07104.07592.7848

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.214 O1 C2 H6 116.675
O1 C5 C4 107.972 O1 C5 H8 116.805
C2 O1 C5 103.977 C2 N3 C4 103.668
N3 C2 H6 128.111 N3 C4 C5 109.169
N3 C4 H7 121.781 C4 C5 H8 135.224
C5 C4 H7 129.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability