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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-286.607721
Energy at 298.15K-286.616659
HF Energy-286.607721
Nuclear repulsion energy241.961311
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 wB97X-D/TZVP
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' 3189 3046 4.41      
2 A' 3094 2955 51.59      
3 A' 3083 2944 37.17      
4 A' 3072 2934 8.18      
5 A' 1778 1698 170.76      
6 A' 1546 1476 4.16      
7 A' 1521 1452 0.31      
8 A' 1483 1416 10.16      
9 A' 1435 1371 55.74      
10 A' 1391 1328 12.27      
11 A' 1360 1298 6.05      
12 A' 1274 1217 115.20      
13 A' 1104 1054 2.98      
14 A' 1046 999 96.54      
15 A' 1005 960 0.75      
16 A' 964 920 23.93      
17 A' 929 887 22.21      
18 A' 771 736 4.85      
19 A' 673 643 1.83      
20 A' 360 344 6.28      
21 A" 3147 3005 40.29      
22 A" 3140 2999 6.99      
23 A" 3117 2977 3.60      
24 A" 1487 1420 11.04      
25 A" 1259 1202 0.29      
26 A" 1233 1178 2.14      
27 A" 1137 1085 0.04      
28 A" 1072 1024 2.80      
29 A" 849 811 0.18      
30 A" 605 578 5.06      
31 A" 245 234 11.54      
32 A" 117 111 1.03      
33 A" 59 57 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24271.4 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 23179.2 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 wB97X-D/TZVP
ABC
0.26130 0.11508 0.08364

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.334 2.125 0.000
C2 0.542 -1.500 0.000
C3 -0.983 -1.287 0.000
N4 -1.157 0.170 0.000
O5 1.072 -0.160 0.000
C6 0.000 0.678 0.000
H7 0.910 -2.012 0.889
H8 0.910 -2.012 -0.889
H9 -1.463 -1.716 0.881
H10 -1.463 -1.716 -0.881
H11 0.929 2.370 0.881
H12 0.929 2.370 -0.881
H13 -0.582 2.709 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.63093.65702.45892.40101.48494.26984.26984.33094.33091.09101.09101.0868
C23.63091.53992.38221.44122.24451.08981.08982.20042.20043.98823.98824.3567
C33.65701.53991.46672.34382.19692.21352.21351.09121.09124.21944.21944.0158
N42.45892.38221.46672.25331.26383.13373.13372.10372.10373.15723.15722.6037
O52.40101.44122.34382.25331.36072.06042.06043.10213.10212.68312.68313.3118
C61.48492.24452.19691.26381.36072.97522.97522.94062.94062.12192.12192.1129
H74.26981.08982.21353.13372.06042.97521.77862.39102.97514.38174.72595.0300
H84.26981.08982.21353.13372.06042.97521.77862.97512.39104.72594.38175.0300
H94.33092.20041.09122.10373.10212.94062.39102.97511.76224.73445.05184.5971
H104.33092.20041.09122.10373.10212.94062.97512.39101.76225.05184.73444.5971
H111.09103.98824.21943.15722.68312.12194.38174.72594.73445.05181.76281.7815
H121.09103.98824.21943.15722.68312.12194.72594.38175.05184.73441.76281.7815
H131.08684.35674.01582.60373.31182.11295.03005.03004.59714.59711.78151.7815

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 126.721 C1 C6 O5 115.007
C2 C3 N4 104.779 C2 C3 H9 112.384
C2 C3 H10 112.384 C2 O5 C6 106.429
C3 C2 O5 103.614 C3 C2 H7 113.540
C3 C2 H8 113.540 C3 N4 C6 106.906
N4 C3 H9 109.787 N4 C3 H10 109.787
N4 C6 O5 118.272 O5 C2 H7 108.187
O5 C2 H8 108.187 C6 C1 H11 109.981
C6 C1 H12 109.981 C6 C1 H13 109.518
H7 C2 H8 109.375 H9 C3 H10 107.694
H11 C1 H12 107.782 H11 C1 H13 109.779
H12 C1 H13 109.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.409      
2 C -0.085      
3 C -0.240      
4 N -0.130      
5 O -0.203      
6 C 0.095      
7 H 0.127      
8 H 0.127      
9 H 0.137      
10 H 0.137      
11 H 0.143      
12 H 0.143      
13 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.984 -1.009 0.000 1.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.459 1.927 0.000
y 1.927 -29.529 0.000
z 0.000 0.000 -35.144
Traceless
 xyz
x -9.123 1.927 0.000
y 1.927 8.773 0.000
z 0.000 0.000 0.350
Polar
3z2-r20.699
x2-y2-11.931
xy1.927
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.199 0.643 0.000
y 0.643 9.411 0.000
z 0.000 0.000 6.342


<r2> (average value of r2) Å2
<r2> 147.662
(<r2>)1/2 12.152