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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-245.452580
Energy at 298.15K-245.457154
HF Energy-244.647306
Nuclear repulsion energy161.664539
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 MP4=FULL/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' 3323 3207        
2 A' 3300 3185        
3 A' 3286 3171        
4 A' 1559 1504        
5 A' 1528 1475        
6 A' 1346 1299        
7 A' 1262 1218        
8 A' 1164 1124        
9 A' 1123 1084        
10 A' 1094 1056        
11 A' 1070 1033        
12 A' 908 876        
13 A' 901 869        
14 A" 843 813        
15 A" 822 794        
16 A" 746 720        
17 A" 656 633        
18 A" 617 596        

Unscaled Zero Point Vibrational Energy (zpe) 12772.7 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 12327.0 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 MP4=FULL/cc-pVDZ
ABC
0.33297 0.31387 0.16157

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.115 0.314 0.000
C2 0.000 1.103 0.000
N3 1.144 0.466 0.000
C4 0.762 -0.884 0.000
C5 -0.608 -0.967 0.000
H6 -0.170 2.180 0.000
H7 1.495 -1.691 0.000
H8 -1.333 -1.778 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36632.26382.22661.37732.09193.29102.1035
C21.36631.30912.12842.15771.09013.16903.1751
N32.26381.30911.40332.26332.15942.18573.3426
C42.22662.12841.40331.37253.20281.09022.2779
C51.37732.15772.26331.37253.17732.22421.0881
H62.09191.09012.15943.20283.17734.21404.1258
H73.29103.16902.18571.09022.22424.21402.8293
H82.10353.17513.34262.27791.08814.12582.8293

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.577 O1 C2 H6 116.324
O1 C5 C4 108.134 O1 C5 H8 116.628
C2 O1 C5 103.708 C2 N3 C4 103.334
N3 C2 H6 128.099 N3 C4 C5 109.247
N3 C4 H7 121.962 C4 C5 H8 135.238
C5 C4 H7 128.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability