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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-244.945645
Energy at 298.15K-244.950281
HF Energy-244.500131
Nuclear repulsion energy160.816103
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 CISD/6-31G
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' 3422 3209 0.42      
2 A' 3410 3197 0.50      
3 A' 3383 3173 1.93      
4 A' 1625 1524 5.82      
5 A' 1572 1474 31.39      
6 A' 1388 1302 10.42      
7 A' 1309 1227 0.30      
8 A' 1205 1130 14.88      
9 A' 1096 1028 14.08      
10 A' 1083 1016 28.60      
11 A' 1054 988 28.68      
12 A' 938 880 0.26      
13 A' 928 870 52.09      
14 A" 902 846 0.11      
15 A" 871 817 29.00      
16 A" 802 752 31.51      
17 A" 666 625 36.16      
18 A" 621 582 16.94      

Unscaled Zero Point Vibrational Energy (zpe) 13136.5 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 12319.4 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 CISD/6-31G
ABC
0.32263 0.31665 0.15981

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.143 0.000
C2 1.105 0.311 0.000
N3 0.759 -0.948 0.000
C4 -0.662 -0.973 0.000
C5 -1.124 0.306 0.000
H6 2.083 0.752 0.000
H7 -1.215 -1.893 0.000
H8 -2.092 0.769 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.38322.22392.21621.40132.11933.26982.1255
C21.38321.30542.18392.22961.07293.20013.2301
N32.22391.30541.42102.26262.15502.18863.3280
C42.21622.18391.42101.35993.24181.07402.2534
C51.40132.22962.26261.35993.23832.20121.0727
H62.11931.07292.15503.24183.23834.22804.1754
H73.26983.20012.18861.07402.20124.22802.8026
H82.12553.23013.32802.25341.07274.17542.8026

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 111.582 O1 C2 H6 118.734
O1 C5 C4 106.756 O1 C5 H8 117.824
C2 O1 C5 106.392 C2 N3 C4 106.380
N3 C2 H6 129.684 N3 C4 C5 108.889
N3 C4 H7 122.001 C4 C5 H8 135.420
C5 C4 H7 129.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability