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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-245.443698
Energy at 298.15K-245.448283
HF Energy-244.681510
Nuclear repulsion energy162.988395
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 MP2/6-311G*
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' 3335 3169 0.65      
2 A' 3317 3152 0.23      
3 A' 3302 3138 2.11      
4 A' 1557 1480 7.23      
5 A' 1524 1449 28.14      
6 A' 1367 1299 5.52      
7 A' 1282 1219 1.04      
8 A' 1198 1139 36.88      
9 A' 1152 1095 6.86      
10 A' 1119 1064 2.38      
11 A' 1100 1045 41.05      
12 A' 925 879 24.50      
13 A' 914 869 8.63      
14 A" 827 786 2.82      
15 A" 811 771 43.00      
16 A" 736 700 25.69      
17 A" 665 632 26.72      
18 A" 626 595 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 12879.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 12239.5 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 MP2/6-311G*
ABC
0.33801 0.31942 0.16423

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.107 0.312 0.000
N2 1.135 0.460 0.000
C3 0.757 -0.878 0.000
H4 1.488 -1.673 0.000
C5 0.000 1.095 0.000
H6 -0.171 2.161 0.000
C7 -0.603 -0.958 0.000
H8 -1.326 -1.758 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4 C5 H6 C7 H8
O12.24702.21183.26701.35612.07251.36622.0810
N22.24701.38982.16181.30022.14402.24313.3126
C32.21181.38981.07972.11273.17691.36312.2616
H43.26702.16181.07973.14204.17682.20982.8149
C51.35611.30022.11273.14201.07962.13953.1454
H62.07252.14403.17694.17681.07963.14854.0851
C71.36622.24311.36312.20982.13953.14851.0778
H82.08103.31262.26162.81493.14544.08511.0778

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 70.465 O1 C2 H6 56.268
O1 C5 C4 83.003 O1 C5 H8 29.811
C2 O1 C5 31.478 C2 N3 C4 121.682
N3 C2 H6 126.733 N3 C4 C5 14.301
N3 C4 H7 28.564 C4 C5 H8 53.193
C5 C4 H7 42.865
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability