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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-307.793931
Energy at 298.15K-307.805148
HF Energy-307.793931
Nuclear repulsion energy264.783961
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 TPSSh/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' 3119 3020 30.11      
2 A' 3093 2995 31.59      
3 A' 3079 2982 28.07      
4 A' 3031 2935 24.27      
5 A' 2954 2861 110.14      
6 A' 2906 2813 82.17      
7 A' 1515 1467 5.26      
8 A' 1503 1455 0.23      
9 A' 1475 1429 4.01      
10 A' 1405 1361 13.46      
11 A' 1317 1275 5.74      
12 A' 1204 1166 39.35      
13 A' 1165 1128 127.75      
14 A' 1103 1069 30.02      
15 A' 997 965 36.47      
16 A' 910 882 13.12      
17 A' 838 811 12.70      
18 A' 633 613 4.39      
19 A' 478 463 0.26      
20 A' 416 403 8.86      
21 A' 259 250 1.65      
22 A" 3089 2991 46.57      
23 A" 2948 2855 18.91      
24 A" 1500 1452 3.31      
25 A" 1432 1387 10.52      
26 A" 1380 1336 1.46      
27 A" 1368 1325 0.15      
28 A" 1328 1286 1.41      
29 A" 1248 1208 26.71      
30 A" 1222 1184 0.11      
31 A" 1047 1014 14.39      
32 A" 1009 977 115.26      
33 A" 908 879 28.08      
34 A" 886 858 1.00      
35 A" 449 435 6.65      
36 A" 253 245 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 26733.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 25886.5 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 TPSSh/cc-pVTZ
ABC
0.16678 0.16015 0.09188

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.612 -1.210 0.000
O2 0.015 -0.762 1.171
O3 0.015 -0.762 -1.171
C4 0.015 0.657 1.241
C5 0.015 0.657 -1.241
C6 0.680 1.254 0.000
H7 -0.547 -2.297 0.000
H8 -1.671 -0.889 0.000
H9 0.548 0.921 2.154
H10 -1.019 1.026 1.328
H11 0.548 0.921 -2.154
H12 -1.019 1.026 -1.328
H13 1.742 0.998 0.000
H14 0.587 2.344 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40181.40182.32822.32822.78201.08841.10683.24522.63313.24522.63313.22753.7508
O21.40182.34201.42092.79872.42422.01052.05652.02122.07193.76523.24272.72973.3681
O31.40182.34202.79871.42092.42422.01052.05653.76523.24272.02122.07192.72973.3681
C42.32821.42092.79872.48251.52923.25292.60241.09001.10183.44742.79452.15372.1709
C52.32822.79871.42092.48251.52923.25292.60243.44742.79451.09001.10182.15372.1709
C62.78202.42422.42421.52921.52923.75653.18052.18392.16872.18392.16871.09241.0938
H71.08842.01052.01053.25293.25293.75651.80154.02453.60974.02453.60974.01194.7770
H81.10682.05652.05652.60242.60243.18051.80153.58362.42003.58362.42003.89953.9430
H93.24522.02123.76521.09003.44742.18394.02453.58361.77514.30893.82092.46412.5819
H102.63312.07193.24271.10182.79452.16873.60972.42001.77513.82092.65683.06422.4660
H113.24523.76522.02123.44741.09002.18394.02453.58364.30893.82091.77512.46412.5819
H122.63313.24272.07192.79451.10182.16873.60972.42003.82092.65681.77513.06422.4660
H133.22752.72972.72972.15372.15371.09244.01193.89952.46413.06422.46413.06421.7729
H143.75083.36813.36812.17092.17091.09384.77703.94302.58192.46602.58192.46601.7729

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 111.142 C1 O3 C5 111.142
O2 C1 O3 113.308 O2 C1 H7 107.012
O2 C1 H8 109.569 O2 C4 C6 110.464
O2 C4 H9 106.469 O2 C4 H10 109.790
O3 C1 H7 107.012 O3 C1 H8 109.569
O3 C5 C6 110.464 O3 C5 H11 106.469
O3 C5 H12 109.790 C4 C6 C5 108.522
C4 C6 H13 109.345 C4 C6 H14 110.615
C5 C6 H13 109.345 C5 C6 H14 110.615
C6 C4 H9 111.888 C6 C4 H10 109.968
C6 C5 H11 111.888 C6 C5 H12 109.968
H7 C1 H8 110.301 H9 C4 H10 108.172
H11 C5 H12 108.172 H13 C6 H14 108.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 O -0.291      
3 O -0.291      
4 C 0.035      
5 C 0.035      
6 C -0.102      
7 H 0.082      
8 H 0.009      
9 H 0.073      
10 H 0.040      
11 H 0.073      
12 H 0.040      
13 H 0.066      
14 H 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.663 1.845 0.000 1.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.411 0.536 0.000
y 0.536 8.435 0.000
z 0.000 0.000 8.046


<r2> (average value of r2) Å2
<r2> 139.363
(<r2>)1/2 11.805