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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-241.809094
Energy at 298.15K-241.813466
HF Energy-241.503009
Nuclear repulsion energy157.971875
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/STO-3G
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' 3590 3191 8.66      
2 A' 3561 3165 15.05      
3 A' 3557 3162 14.80      
4 A' 1629 1448 5.36      
5 A' 1573 1399 2.38      
6 A' 1417 1260 16.03      
7 A' 1294 1150 1.91      
8 A' 1285 1142 25.30      
9 A' 1175 1044 1.50      
10 A' 1150 1022 10.79      
11 A' 1106 983 1.23      
12 A' 942 837 12.16      
13 A' 921 819 2.00      
14 A" 914 812 0.01      
15 A" 825 734 15.96      
16 A" 812 722 6.23      
17 A" 651 579 2.75      
18 A" 622 553 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 13512.3 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 12011.1 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/STO-3G
ABC
0.31966 0.29767 0.15414

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.152 0.321 0.000
C2 0.000 1.125 0.000
N3 1.188 0.473 0.000
C4 0.770 -0.908 0.000
C5 -0.618 -0.978 0.000
H6 -0.168 2.216 0.000
H7 1.499 -1.730 0.000
H8 -1.344 -1.804 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40442.34442.28141.40452.13413.35172.1343
C21.40441.35522.17422.19201.10323.22503.2231
N32.34441.35521.44262.31652.20812.22503.4055
C42.28142.17421.44261.39023.26141.09862.2968
C51.40452.19202.31651.39023.22492.24671.1001
H62.13411.10322.20813.26143.22494.28354.1882
H73.35173.22502.22501.09862.24674.28352.8441
H82.13433.22313.40552.29681.10014.18822.8441

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 116.312 O1 C2 H6 116.142
O1 C5 C4 109.439 O1 C5 H8 116.371
C2 O1 C5 102.594 C2 N3 C4 101.948
N3 C2 H6 127.547 N3 C4 C5 109.707
N3 C4 H7 121.640 C4 C5 H8 134.190
C5 C4 H7 128.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability