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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-307.333999
Energy at 298.15K-307.345323
HF Energy-307.046885
Nuclear repulsion energy264.750837
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 B2PLYP/6-31G*
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' 3191 3028 34.63      
2 A' 3158 2998 29.67      
3 A' 3143 2984 23.30      
4 A' 3089 2933 20.76      
5 A' 3021 2868 106.22      
6 A' 2976 2825 72.59      
7 A' 1562 1482 5.05      
8 A' 1546 1468 0.08      
9 A' 1518 1441 4.31      
10 A' 1444 1371 25.84      
11 A' 1344 1275 5.07      
12 A' 1233 1170 54.99      
13 A' 1203 1142 121.10      
14 A' 1135 1078 24.08      
15 A' 1023 971 38.00      
16 A' 932 885 9.98      
17 A' 860 816 12.85      
18 A' 657 623 4.98      
19 A' 494 469 0.60      
20 A' 441 419 10.66      
21 A' 271 257 2.05      
22 A" 3155 2995 44.15      
23 A" 3013 2860 19.19      
24 A" 1545 1466 2.39      
25 A" 1475 1401 19.65      
26 A" 1420 1347 0.29      
27 A" 1399 1328 0.02      
28 A" 1357 1288 1.18      
29 A" 1282 1217 29.08      
30 A" 1253 1189 0.51      
31 A" 1095 1039 56.46      
32 A" 1048 994 76.59      
33 A" 934 887 20.27      
34 A" 913 867 2.74      
35 A" 465 442 7.47      
36 A" 268 254 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 27430.3 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 26036.8 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 B2PLYP/6-31G*
ABC
0.16679 0.16007 0.09183

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.611 -1.215 0.000
O2 0.014 -0.762 1.169
O3 0.014 -0.762 -1.169
C4 0.014 0.654 1.240
C5 0.014 0.654 -1.240
C6 0.681 1.258 0.000
H7 -0.544 -2.302 0.000
H8 -1.673 -0.898 0.000
H9 0.552 0.926 2.151
H10 -1.015 1.041 1.329
H11 0.552 0.926 -2.151
H12 -1.015 1.041 -1.329
H13 1.740 0.989 0.000
H14 0.593 2.350 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40101.40102.32902.32902.79061.08931.10773.25022.64963.25022.64963.22233.7631
O21.40102.33761.41782.79432.42712.01272.05682.02522.08223.76263.24782.72153.3740
O31.40102.33762.79431.41782.42712.01272.05683.76263.24782.02522.08222.72153.3740
C42.32901.41782.79432.48051.53213.25442.60661.09211.10333.44432.79452.15112.1792
C52.32902.79431.41782.48051.53213.25442.60663.44432.79451.09211.10332.15112.1792
C62.79062.42712.42711.53211.53213.76543.19212.18032.16542.18032.16541.09271.0952
H71.08932.01272.01273.25443.25443.76541.80164.03093.62874.03093.62874.00554.7893
H81.10772.05682.05682.60662.60663.19211.80163.59222.44133.59222.44133.89923.9605
H93.25022.02523.76261.09213.44432.18034.03093.59221.77384.30183.81822.45772.5801
H102.64962.08223.24781.10332.79452.16543.62872.44131.77383.81822.65763.05902.4628
H113.25023.76262.02523.44431.09212.18034.03093.59224.30183.81821.77382.45772.5801
H122.64963.24782.08222.79451.10332.16543.62872.44133.81822.65761.77383.05902.4628
H133.22232.72152.72152.15112.15111.09274.00553.89922.45773.05902.45773.05901.7798
H143.76313.37403.37402.17922.17921.09524.78933.96052.58012.46282.58012.46281.7798

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 111.427 C1 O3 C5 111.427
O2 C1 O3 113.074 O2 C1 H7 107.183
O2 C1 H8 109.582 O2 C4 C6 110.671
O2 C4 H9 106.875 O2 C4 H10 110.752
O3 C1 H7 107.183 O3 C1 H8 109.582
O3 C5 C6 110.671 O3 C5 H11 106.875
O3 C5 H12 110.752 C4 C6 C5 108.092
C4 C6 H13 108.919 C4 C6 H14 110.993
C5 C6 H13 108.919 C5 C6 H14 110.993
C6 C4 H9 111.263 C6 C4 H10 109.427
C6 C5 H11 111.263 C6 C5 H12 109.427
H7 C1 H8 110.172 H9 C4 H10 107.795
H11 C5 H12 107.795 H13 C6 H14 108.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.223      
2 O -0.530      
3 O -0.530      
4 C -0.034      
5 C -0.034      
6 C -0.312      
7 H 0.172      
8 H 0.121      
9 H 0.168      
10 H 0.133      
11 H 0.168      
12 H 0.133      
13 H 0.173      
14 H 0.149      


Electric dipole moments


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 6.370 0.434 0.000
y 0.434 7.347 0.000
z 0.000 0.000 6.816


<r2> (average value of r2) Å2
<r2> 139.374
(<r2>)1/2 11.806