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All results from a given calculation for C5H8O (2H-Pyran, 3,4-dihydro-)

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-270.268050
Energy at 298.15K-270.277818
Nuclear repulsion energy240.042211
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 PBEPBE/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 3131 3102 24.66      
2 A 3110 3082 2.62      
3 A 3040 3012 33.51      
4 A 3023 2996 35.96      
5 A 2983 2956 43.71      
6 A 2971 2944 10.48      
7 A 2937 2910 54.85      
8 A 2932 2905 30.40      
9 A 1657 1642 71.35      
10 A 1449 1436 3.90      
11 A 1434 1421 4.81      
12 A 1423 1410 2.67      
13 A 1377 1365 2.24      
14 A 1346 1334 2.42      
15 A 1320 1308 1.55      
16 A 1301 1289 3.54      
17 A 1259 1248 2.49      
18 A 1230 1219 71.92      
19 A 1212 1201 13.85      
20 A 1169 1158 4.40      
21 A 1065 1055 4.93      
22 A 1058 1049 70.62      
23 A 1037 1028 11.83      
24 A 1005 996 3.08      
25 A 924 916 7.65      
26 A 895 887 0.88      
27 A 884 876 22.55      
28 A 857 849 1.38      
29 A 827 819 6.37      
30 A 737 730 4.02      
31 A 713 707 27.07      
32 A 496 492 6.03      
33 A 479 475 1.70      
34 A 436 432 14.10      
35 A 272 270 0.56      
36 A 177 176 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 26083.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 25846.2 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 PBEPBE/6-311G**
ABC
0.17222 0.15684 0.08948

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.650 1.861 -0.204
C2 0.887 1.089 -0.083
H3 -0.732 2.406 0.094
C4 -0.423 1.359 0.066
H5 -2.317 0.521 -0.524
H6 -1.877 0.172 1.146
C7 -1.461 0.268 0.126
H8 -0.733 -1.075 -1.422
H9 -1.460 -1.923 -0.041
C10 -0.834 -1.062 -0.324
H11 1.047 -2.146 -0.014
H12 0.483 -1.197 1.398
C13 0.554 -1.213 0.294
O14 1.450 -0.158 -0.113

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.09232.46182.15004.19934.13753.51073.97294.90073.83764.05603.64413.30152.0303
C21.09232.09391.34543.28323.16082.49573.01703.81862.76513.23952.75372.35661.3686
H32.46182.09391.09152.53852.72202.25883.79694.39163.49434.88794.01933.84573.3728
C42.15001.34541.09152.15322.16621.50722.87003.44382.48663.80153.02152.76112.4170
H54.19933.28322.53852.15321.76191.10382.42202.63492.17854.32323.80583.45233.8499
H64.13753.16082.72202.16621.76191.10653.07622.44362.18493.90742.73972.92483.5730
C73.51072.49572.25881.50721.10381.10652.17502.19731.53763.48352.74642.50622.9518
H83.97293.01703.79692.87002.42203.07622.17501.77671.10272.50983.07402.14972.7063
H94.90073.81864.39163.44382.63492.44362.19731.77671.10182.51712.52432.16133.4047
C103.83762.76513.49432.48662.17852.18491.53761.10271.10182.19302.17251.52682.4658
H114.05603.23954.88793.80154.32323.90743.48352.50982.51712.19301.79231.09882.0309
H123.64412.75374.01933.02153.80582.73972.74643.07402.52432.17251.79231.10672.0736
C133.30152.35663.84572.76113.45232.92482.50622.14972.16131.52681.09881.10671.4435
O142.03031.36863.37282.41703.84993.57302.95182.70633.40472.46582.03092.07361.4435

picture of 2H-Pyran, 3,4-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 123.432 H1 C2 O14 110.680
C2 C4 H3 118.091 C2 C4 C7 121.963
C2 O14 C13 113.843 H3 C4 C7 119.879
C4 C2 O14 125.887 C4 C7 H5 110.144
C4 C7 H6 111.018 C4 C7 C10 109.497
H5 C7 H6 105.709 H5 C7 C10 110.038
H6 C7 C10 110.382 C7 C10 H8 109.831
C7 C10 H9 111.644 C7 C10 C13 109.740
H8 C10 H9 107.403 H8 C10 C13 108.599
H9 C10 C13 109.551 C10 C13 H11 112.257
C10 C13 H12 110.142 C10 C13 O14 112.201
H11 C13 H12 108.709 H11 C13 O14 105.236
H12 C13 O14 108.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.108      
2 C 0.087      
3 H 0.104      
4 C -0.242      
5 H 0.134      
6 H 0.133      
7 C -0.202      
8 H 0.144      
9 H 0.127      
10 C -0.311      
11 H 0.126      
12 H 0.128      
13 C -0.051      
14 O -0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.073 -0.627 0.248 1.268
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.075 0.756 0.132
y 0.756 -33.918 -0.562
z 0.132 -0.562 -38.040
Traceless
 xyz
x -2.096 0.756 0.132
y 0.756 4.139 -0.562
z 0.132 -0.562 -2.043
Polar
3z2-r2-4.086
x2-y2-4.157
xy0.756
xz0.132
yz-0.562


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.685 -0.240 -0.171
y -0.240 9.432 -0.095
z -0.171 -0.095 6.557


<r2> (average value of r2) Å2
<r2> 142.396
(<r2>)1/2 11.933