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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-245.856421
Energy at 298.15K-245.861009
HF Energy-245.600828
Nuclear repulsion energy162.834828
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 B2PLYP=FULL/6-31+G**
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' 3354 3190 0.51      
2 A' 3336 3172 0.91      
3 A' 3318 3156 2.55      
4 A' 1581 1503 9.99      
5 A' 1538 1463 35.85      
6 A' 1372 1304 4.20      
7 A' 1287 1224 0.23      
8 A' 1178 1121 26.38      
9 A' 1133 1077 8.97      
10 A' 1109 1055 7.87      
11 A' 1078 1025 43.18      
12 A' 922 877 20.50      
13 A' 914 869 13.64      
14 A" 858 816 3.01      
15 A" 830 789 34.93      
16 A" 750 713 33.31      
17 A" 658 625 28.16      
18 A" 616 586 4.19      

Unscaled Zero Point Vibrational Energy (zpe) 12915.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 12282.8 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 B2PLYP=FULL/6-31+G**
ABC
0.33491 0.32110 0.16393

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.105 0.310 0.000
C2 0.000 1.104 0.000
N3 1.128 0.463 0.000
C4 0.756 -0.879 0.000
C5 -0.600 -0.967 0.000
H6 -0.168 2.167 0.000
H7 1.486 -1.669 0.000
H8 -1.315 -1.769 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36012.23792.20761.37312.07983.26042.0897
C21.36011.29722.12142.15561.07643.14623.1593
N32.23791.29721.39252.24282.14062.16253.3092
C42.20762.12141.39251.35813.18251.07662.2538
C51.37312.15562.24281.35813.16342.20091.0747
H62.07981.07642.14063.18253.16344.17774.0997
H73.26043.14622.16251.07662.20094.17772.8027
H82.08973.15933.30922.25381.07474.09972.8027

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.719 O1 C2 H6 116.728
O1 C5 C4 107.851 O1 C5 H8 116.708
C2 O1 C5 104.119 C2 N3 C4 104.072
N3 C2 H6 128.553 N3 C4 C5 109.239
N3 C4 H7 121.757 C4 C5 H8 135.442
C5 C4 H7 129.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability