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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-286.606999
Energy at 298.15K-286.615954
Nuclear repulsion energy242.048569
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 mPW1PW91/6-311G**
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 3192 3054 4.70      
2 A 3081 2948 51.37      
3 A 3073 2940 8.86      
4 A 3064 2931 42.50      
5 A 1776 1699 156.36      
6 A 1534 1467 4.42      
7 A 1507 1442 0.37      
8 A 1479 1415 10.29      
9 A 1426 1364 62.67      
10 A 1385 1325 7.20      
11 A 1342 1284 8.64      
12 A 1266 1211 101.75      
13 A 1100 1053 4.18      
14 A 1047 1001 94.20      
15 A 1002 958 0.67      
16 A 962 921 21.13      
17 A 929 889 22.71      
18 A 768 735 5.53      
19 A 673 644 2.39      
20 A 351 336 5.97      
21 A 3137 3001 8.50      
22 A 3131 2995 43.17      
23 A 3094 2960 7.57      
24 A 1476 1412 10.82      
25 A 1254 1199 0.02      
26 A 1227 1173 2.22      
27 A 1123 1075 0.00      
28 A 1064 1018 3.44      
29 A 834 798 0.16      
30 A 604 577 4.64      
31 A 240 229 11.08      
32 A 139 133 1.08      
33 A 65 62 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24171.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23124.7 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 mPW1PW91/6-311G**
ABC
0.26079 0.11543 0.08376

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.333 2.119 0.000
C2 0.544 -1.494 0.000
C3 -0.984 -1.282 0.000
N4 -1.160 0.168 0.000
O5 1.074 -0.159 0.000
C6 0.000 0.674 0.000
H7 0.915 -2.008 0.888
H8 0.915 -2.008 -0.888
H9 -1.467 -1.714 0.880
H10 -1.467 -1.714 -0.880
H11 0.930 2.365 0.880
H12 0.930 2.365 -0.880
H13 -0.584 2.703 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.61953.64692.45652.39531.48324.26184.26184.32464.32461.09191.09191.0868
C23.61951.54252.38121.43702.23511.09111.09112.20632.20633.97753.97754.3464
C33.64691.54251.46112.34462.18912.21832.21831.09301.09304.21184.21184.0053
N42.45652.38121.46112.25851.26573.13593.13592.10012.10013.15773.15772.5997
O52.39531.43702.34462.25851.35892.05822.05823.10663.10662.67702.67703.3074
C61.48322.23512.18911.26571.35892.96972.96972.93702.93702.12172.12172.1119
H74.26181.09112.21833.13592.05822.96971.77632.40012.98114.37384.71785.0234
H84.26181.09112.21833.13592.05822.96971.77632.98112.40014.71784.37385.0234
H94.32462.20631.09302.10013.10662.93702.40012.98111.76034.73105.04804.5895
H104.32462.20631.09302.10013.10662.93702.98112.40011.76035.04804.73104.5895
H111.09193.97754.21183.15772.67702.12174.37384.71784.73105.04801.76071.7831
H121.09193.97754.21183.15772.67702.12174.71784.37385.04804.73101.76071.7831
H131.08684.34644.00532.59973.30742.11195.02345.02344.58954.58951.78311.7831

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 126.489 C1 C6 O5 114.803
C2 C3 N4 104.858 C2 C3 H9 112.565
C2 C3 H10 112.565 C2 O5 C6 106.117
C3 C2 O5 103.739 C3 C2 H7 113.659
C3 C2 H8 113.659 C3 N4 C6 106.578
N4 C3 H9 109.783 N4 C3 H10 109.783
N4 C6 O5 118.708 O5 C2 H7 108.220
O5 C2 H8 108.220 C6 C1 H11 110.032
C6 C1 H12 110.032 C6 C1 H13 109.561
H7 C2 H8 108.975 H9 C3 H10 107.273
H11 C1 H12 107.470 H11 C1 H13 109.861
H12 C1 H13 109.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.290      
2 C -0.059      
3 C -0.175      
4 N -0.358      
5 O -0.343      
6 C 0.246      
7 H 0.133      
8 H 0.133      
9 H 0.136      
10 H 0.136      
11 H 0.144      
12 H 0.144      
13 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.972 -0.920 0.000 1.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.939 1.818 0.000
y 1.818 -29.548 0.000
z 0.000 0.000 -34.999
Traceless
 xyz
x -8.665 1.818 0.000
y 1.818 8.421 0.000
z 0.000 0.000 0.244
Polar
3z2-r20.488
x2-y2-11.391
xy1.818
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.671 0.686 0.000
y 0.686 9.235 0.000
z 0.000 0.000 5.845


<r2> (average value of r2) Å2
<r2> 147.352
(<r2>)1/2 12.139