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All results from a given calculation for C4H8O2 (1,3-Dioxane)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-307.406340
Energy at 298.15K-307.417486
Nuclear repulsion energy263.826120
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/cc-pVTZ
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' 3046 3025 27.12      
2 A' 3028 3007 27.02      
3 A' 3019 2998 23.42      
4 A' 2973 2952 19.99      
5 A' 2884 2864 105.37      
6 A' 2826 2806 85.88      
7 A' 1451 1441 6.69      
8 A' 1439 1429 0.81      
9 A' 1413 1403 5.73      
10 A' 1354 1345 10.59      
11 A' 1275 1266 5.15      
12 A' 1164 1156 37.19      
13 A' 1129 1121 120.38      
14 A' 1071 1064 22.05      
15 A' 972 966 34.10      
16 A' 891 885 11.83      
17 A' 820 815 11.98      
18 A' 625 621 3.37      
19 A' 476 473 0.43      
20 A' 425 422 9.14      
21 A' 261 260 1.55      
22 A" 3024 3003 41.07      
23 A" 2878 2858 19.27      
24 A" 1436 1426 5.71      
25 A" 1380 1370 6.70      
26 A" 1330 1321 1.45      
27 A" 1318 1309 0.00      
28 A" 1284 1275 1.60      
29 A" 1208 1200 23.99      
30 A" 1184 1176 0.24      
31 A" 1021 1014 4.45      
32 A" 977 970 114.82      
33 A" 885 879 31.47      
34 A" 865 859 0.71      
35 A" 449 446 6.13      
36 A" 257 255 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 26018.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 25839.1 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/cc-pVTZ
ABC
0.16586 0.15888 0.09124

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.625 -1.204 0.000
O2 0.018 -0.771 1.180
O3 0.018 -0.771 -1.180
C4 0.018 0.661 1.242
C5 0.018 0.661 -1.242
C6 0.685 1.251 0.000
H7 -0.591 -2.300 0.000
H8 -1.679 -0.841 0.000
H9 0.549 0.931 2.165
H10 -1.026 1.026 1.324
H11 0.549 0.931 -2.165
H12 -1.026 1.026 -1.324
H13 1.754 0.992 0.000
H14 0.596 2.349 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.41271.41272.33162.33162.78251.09621.11453.25932.62433.25932.62433.23733.7567
O21.41272.36091.43302.81432.43392.02562.06902.03602.08353.79053.25432.74043.3847
O31.41272.36092.81431.43302.43392.02562.06903.79053.25432.03602.08352.74043.3847
C42.33161.43302.81432.48501.52833.26822.58521.09771.10973.45902.79452.15952.1738
C52.33162.81431.43302.48501.52833.26822.58523.45902.79451.09771.10972.15952.1738
C62.78252.43392.43391.52831.52833.77283.15692.19262.17472.19262.17471.09971.1012
H71.09622.02562.02563.26823.26823.77281.81954.05253.60614.05253.60614.04114.7975
H81.11452.06902.06902.58522.58523.15691.81953.57662.38053.57662.38053.89153.9184
H93.25932.03603.79051.09773.45902.19264.05253.57661.78824.32983.82872.47832.5882
H102.62432.08353.25431.10972.79452.17473.60612.38051.78823.82872.64703.07892.4763
H113.25933.79052.03603.45901.09772.19264.05253.57664.32983.82871.78822.47832.5882
H122.62433.25432.08352.79451.10972.17473.60612.38053.82872.64701.78823.07892.4763
H133.23732.74042.74042.15952.15951.09974.04113.89152.47833.07892.47833.07891.7833
H143.75673.38473.38472.17382.17381.10124.79753.91842.58822.47632.58822.47631.7833

picture of 1,3-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C4 110.038 C1 O3 C5 110.038
O2 C1 O3 113.359 O2 C1 H7 107.002
O2 C1 H8 109.336 O2 C4 C6 110.512
O2 C4 H9 106.377 O2 C4 H10 109.397
O3 C1 H7 107.002 O3 C1 H8 109.336
O3 C5 C6 110.512 O3 C5 H11 106.377
O3 C5 H12 109.397 C4 C6 C5 108.780
C4 C6 H13 109.436 C4 C6 H14 110.467
C5 C6 H13 109.436 C5 C6 H14 110.467
C6 C4 H9 112.190 C6 C4 H10 110.042
C6 C5 H11 112.190 C6 C5 H12 110.042
H7 C1 H8 110.773 H9 C4 H10 108.213
H11 C5 H12 108.213 H13 C6 H14 108.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.121      
2 O -0.249      
3 O -0.249      
4 C -0.010      
5 C -0.010      
6 C -0.151      
7 H 0.088      
8 H 0.017      
9 H 0.088      
10 H 0.054      
11 H 0.088      
12 H 0.054      
13 H 0.084      
14 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.572 1.759 0.000 1.850
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.499 1.627 0.000
y 1.627 -35.409 0.000
z 0.000 0.000 -39.019
Traceless
 xyz
x 0.715 1.627 0.000
y 1.627 2.350 0.000
z 0.000 0.000 -3.064
Polar
3z2-r2-6.128
x2-y2-1.090
xy1.627
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.733 0.555 0.000
y 0.555 8.763 0.000
z 0.000 0.000 8.347


<r2> (average value of r2) Å2
<r2> 140.436
(<r2>)1/2 11.851