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All results from a given calculation for C4H7NO (Oxazole, 4,5-dihydro-2-methyl-)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-286.404815
Energy at 298.15K-286.413530
Nuclear repulsion energy235.226312
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 BLYP/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 3103 3079 8.04      
2 A 3016 2993 40.36      
3 A 2996 2974 40.02      
4 A 2988 2965 12.41      
5 A 1638 1626 92.51      
6 A 1516 1505 0.65      
7 A 1502 1490 0.39      
8 A 1484 1473 14.90      
9 A 1417 1407 11.27      
10 A 1324 1314 12.80      
11 A 1301 1291 1.65      
12 A 1196 1187 91.61      
13 A 1047 1040 1.11      
14 A 908 901 1.41      
15 A 882 875 1.74      
16 A 850 844 80.56      
17 A 824 818 39.80      
18 A 713 708 7.13      
19 A 631 626 2.58      
20 A 334 331 6.91      
21 A 3072 3049 44.84      
22 A 3043 3020 12.30      
23 A 3031 3008 9.38      
24 A 1484 1473 10.54      
25 A 1227 1217 0.13      
26 A 1157 1148 0.34      
27 A 1094 1086 0.58      
28 A 1064 1056 3.93      
29 A 822 816 0.00      
30 A 555 551 5.32      
31 A 228 227 13.42      
32 A 125 124 1.49      
33 A 102 101 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 23336.5 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 23159.2 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 BLYP/6-31G
ABC
0.24708 0.10884 0.07897

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.347 2.170 0.000
C2 0.535 -1.563 0.000
C3 -1.014 -1.317 0.000
N4 -1.188 0.188 0.000
O5 1.123 -0.167 0.000
C6 0.000 0.713 0.000
H7 0.906 -2.072 0.901
H8 0.906 -2.072 -0.901
H9 -1.508 -1.735 0.892
H10 -1.508 -1.735 -0.892
H11 0.949 2.424 0.888
H12 0.949 2.424 -0.888
H13 -0.574 2.767 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.73703.74262.50632.46261.49734.37264.37264.41374.41371.10311.10311.0977
C23.73701.56802.45601.51432.33771.09951.09952.23562.23564.10544.10544.4693
C33.74261.56801.51492.42652.26902.25132.25131.10171.10174.31704.31704.1073
N42.50632.45601.51492.33801.29853.21023.21022.14362.14363.21803.21802.6508
O52.46261.51432.42652.33801.42712.11842.11843.18993.18992.74492.74493.3898
C61.49732.33772.26901.29851.42713.06463.06463.01023.01022.14892.14892.1326
H74.37261.09952.25133.21022.11843.06461.80112.43783.02564.49674.83955.1403
H84.37261.09952.25133.21022.11843.06461.80113.02562.43784.83954.49675.1403
H94.41372.23561.10172.14363.18993.01022.43783.02561.78304.83065.14814.6832
H104.41372.23561.10172.14363.18993.01023.02562.43781.78305.14814.83064.6832
H111.10314.10544.31703.21802.74492.14894.49674.83954.83065.14811.77681.7967
H121.10314.10544.31703.21802.74492.14894.83954.49675.14814.83061.77681.7967
H131.09774.46934.10732.65083.38982.13265.14035.14034.68324.68321.79671.7967

picture of Oxazole, 4,5-dihydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 N4 127.244 C1 C6 O5 114.694
C2 C3 N4 105.609 C2 C3 H9 112.560
C2 C3 H10 112.560 C2 O5 C6 105.226
C3 C2 O5 103.845 C3 C2 H7 113.969
C3 C2 H8 113.969 C3 N4 C6 107.258
N4 C3 H9 108.989 N4 C3 H10 108.989
N4 C6 O5 118.062 O5 C2 H7 107.224
O5 C2 H8 107.224 C6 C1 H11 110.536
C6 C1 H12 110.536 C6 C1 H13 109.563
H7 C2 H8 109.982 H9 C3 H10 108.031
H11 C1 H12 107.284 H11 C1 H13 109.442
H12 C1 H13 109.442
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 C -0.042      
3 C -0.177      
4 N -0.320      
5 O -0.452      
6 C 0.341      
7 H 0.145      
8 H 0.145      
9 H 0.145      
10 H 0.145      
11 H 0.156      
12 H 0.156      
13 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.656 -1.091 0.000 1.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.780 2.100 0.000
y 2.100 -28.828 0.000
z 0.000 0.000 -35.380
Traceless
 xyz
x -9.676 2.100 0.000
y 2.100 9.752 0.000
z 0.000 0.000 -0.076
Polar
3z2-r2-0.152
x2-y2-12.952
xy2.100
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 154.589
(<r2>)1/2 12.433