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

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-286.535614
Energy at 298.15K-286.544527
Nuclear repulsion energy240.931783
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 B3PW91/aug-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 3183 3070 4.17      
2 A 3070 2961 56.74      
3 A 3058 2949 9.95      
4 A 3051 2943 40.53      
5 A 1748 1686 152.79      
6 A 1510 1457 4.09      
7 A 1485 1432 0.43      
8 A 1448 1397 10.10      
9 A 1403 1353 57.93      
10 A 1362 1314 9.68      
11 A 1324 1277 9.96      
12 A 1248 1203 88.52      
13 A 1085 1047 4.67      
14 A 1029 993 87.90      
15 A 990 955 2.48      
16 A 956 922 19.37      
17 A 915 883 25.76      
18 A 758 731 5.17      
19 A 666 643 2.14      
20 A 350 338 6.68      
21 A 3128 3018 6.90      
22 A 3124 3013 35.82      
23 A 3086 2977 6.95      
24 A 1448 1397 8.78      
25 A 1237 1194 0.10      
26 A 1207 1165 2.53      
27 A 1111 1072 0.08      
28 A 1045 1008 2.63      
29 A 829 799 0.16      
30 A 597 576 4.24      
31 A 239 230 11.01      
32 A 135 131 0.65      
33 A 63 61 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23944.4 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 23096.8 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 B3PW91/aug-cc-pVDZ
ABC
0.25878 0.11431 0.08301

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.327 2.130 0.000
C2 0.548 -1.500 0.000
C3 -0.983 -1.291 0.000
N4 -1.165 0.163 0.000
O5 1.081 -0.157 0.000
C6 0.000 0.680 0.000
H7 0.923 -2.014 0.894
H8 0.923 -2.014 -0.894
H9 -1.468 -1.725 0.886
H10 -1.468 -1.725 -0.886
H11 0.925 2.383 0.886
H12 0.925 2.383 -0.886
H13 -0.599 2.712 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.63653.66242.46842.40771.48644.28104.28104.34354.34351.09861.09861.0934
C23.63651.54462.38781.44492.24761.09781.09782.21362.21364.00044.00044.3650
C33.66241.54461.46542.35412.20182.22612.22611.09961.09964.23294.23294.0206
N42.46842.38781.46542.26861.27463.14693.14692.10762.10763.17503.17502.6105
O52.40771.44492.35412.26861.36662.06732.06733.12103.12102.69422.69423.3240
C61.48642.24762.20181.27461.36662.98482.98482.95362.95362.13092.13092.1183
H74.28101.09782.22613.14692.06732.98481.78892.40922.99544.39684.74355.0447
H84.28101.09782.22613.14692.06732.98481.78892.99542.40924.74354.39685.0447
H94.34352.21361.09962.10763.12102.95362.40922.99541.77114.75425.07354.6069
H104.34352.21361.09962.10763.12102.95362.99542.40921.77115.07354.75424.6069
H111.09864.00044.23293.17502.69422.13094.39684.74354.75425.07351.77171.7933
H121.09864.00044.23293.17502.69422.13094.74354.39685.07354.75421.77171.7933
H131.09344.36504.02062.61053.32402.11835.04475.04474.60694.60691.79331.7933

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 126.598 C1 C6 O5 115.053
C2 C3 N4 104.956 C2 C3 H9 112.598
C2 C3 H10 112.598 C2 O5 C6 106.115
C3 C2 O5 103.843 C3 C2 H7 113.727
C3 C2 H8 113.727 C3 N4 C6 106.737
N4 C3 H9 109.687 N4 C3 H10 109.687
N4 C6 O5 118.348 O5 C2 H7 108.005
O5 C2 H8 108.005 C6 C1 H11 110.143
C6 C1 H12 110.143 C6 C1 H13 109.455
H7 C2 H8 109.121 H9 C3 H10 107.294
H11 C1 H12 107.485 H11 C1 H13 109.796
H12 C1 H13 109.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.597      
2 C 1.110      
3 C 0.690      
4 N -0.430      
5 O -0.693      
6 C 0.193      
7 H -0.312      
8 H -0.312      
9 H -0.311      
10 H -0.311      
11 H -0.053      
12 H -0.053      
13 H -0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.020 -0.830 0.000 1.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.376 1.845 0.000
y 1.845 -29.892 0.000
z 0.000 0.000 -35.332
Traceless
 xyz
x -8.764 1.845 0.000
y 1.845 8.462 0.000
z 0.000 0.000 0.302
Polar
3z2-r20.605
x2-y2-11.484
xy1.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.944 0.586 0.000
y 0.586 10.443 0.000
z 0.000 0.000 6.807


<r2> (average value of r2) Å2
<r2> 148.737
(<r2>)1/2 12.196