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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2/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 MP2/TZVP
 hartrees
Energy at 0K-245.486478
Energy at 298.15K-245.490977
HF Energy-244.708305
Nuclear repulsion energy163.155036
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/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' 3357 3182 0.42      
2 A' 3336 3162 0.72      
3 A' 3325 3152 2.21      
4 A' 1560 1479 4.24      
5 A' 1526 1447 35.28      
6 A' 1368 1297 6.14      
7 A' 1298 1230 0.86      
8 A' 1194 1132 35.09      
9 A' 1141 1081 6.55      
10 A' 1122 1064 6.56      
11 A' 1096 1039 41.69      
12 A' 928 880 19.27      
13 A' 916 868 12.37      
14 A" 784 743 56.01      
15 A" 753 714 1.48      
16 A" 683 648 5.52      
17 A" 644 610 31.17      
18 A" 575 545 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 12802.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 12135.8 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/TZVP
ABC
0.33760 0.32108 0.16457

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.107 0.310 0.000
C2 0.000 1.096 0.000
N3 1.131 0.461 0.000
C4 0.755 -0.875 0.000
C5 -0.599 -0.960 0.000
H6 -0.169 2.158 0.000
H7 1.483 -1.667 0.000
H8 -1.315 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35762.24312.20711.36732.07243.25782.0809
C21.35761.29732.11092.14151.07533.13553.1447
N32.24311.29731.38812.23922.13782.15653.3044
C42.20712.11091.38811.35743.17081.07522.2515
C51.36732.14152.23921.35743.14742.19921.0737
H62.07241.07532.13783.17083.14744.16614.0827
H73.25783.13552.15651.07522.19924.16612.7994
H82.08093.14473.30442.25151.07374.08272.7994

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.306 O1 C2 H6 116.344
O1 C5 C4 108.199 O1 C5 H8 116.447
C2 O1 C5 103.609 C2 N3 C4 103.591
N3 C2 H6 128.350 N3 C4 C5 109.295
N3 C4 H7 121.682 C4 C5 H8 135.354
C5 C4 H7 129.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability