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

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-306.226525
Energy at 298.15K-306.237845
Nuclear repulsion energy261.031496
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 CID/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' 3278 3065 22.27      
2 A' 3226 3017 21.96      
3 A' 3189 2983 26.25      
4 A' 3132 2929 20.50      
5 A' 3091 2891 103.96      
6 A' 3067 2869 49.44      
7 A' 1615 1510 7.49      
8 A' 1598 1495 0.28      
9 A' 1578 1476 4.93      
10 A' 1476 1380 16.55      
11 A' 1362 1274 3.23      
12 A' 1257 1175 15.92      
13 A' 1210 1132 138.08      
14 A' 1144 1070 28.08      
15 A' 1032 965 54.69      
16 A' 935 875 3.13      
17 A' 859 803 16.16      
18 A' 661 619 9.12      
19 A' 498 466 1.32      
20 A' 409 383 17.64      
21 A' 264 247 4.61      
22 A" 3223 3014 32.52      
23 A" 3083 2883 17.94      
24 A" 1598 1495 1.88      
25 A" 1500 1402 7.57      
26 A" 1466 1371 2.47      
27 A" 1447 1353 1.43      
28 A" 1362 1274 0.86      
29 A" 1315 1230 20.88      
30 A" 1271 1189 6.05      
31 A" 1121 1048 23.93      
32 A" 1072 1002 85.13      
33 A" 959 897 13.54      
34 A" 896 838 15.01      
35 A" 466 436 12.50      
36 A" 248 232 3.17      

Unscaled Zero Point Vibrational Energy (zpe) 27953.0 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 26141.7 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 CID/6-31G
ABC
0.16050 0.15674 0.08874

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.616 -1.265 0.000
O2 0.011 -0.767 1.191
O3 0.011 -0.767 -1.191
C4 0.011 0.691 1.255
C5 0.011 0.691 -1.255
C6 0.687 1.263 0.000
H7 -0.489 -2.341 0.000
H8 -1.679 -0.986 0.000
H9 0.546 0.945 2.168
H10 -1.024 1.050 1.336
H11 0.546 0.945 -2.168
H12 -1.024 1.050 -1.336
H13 1.740 0.972 0.000
H14 0.634 2.357 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.43541.43542.40772.40772.84461.08301.09923.30652.70393.30652.70393.24873.8315
O21.43542.38241.46012.84792.44922.03612.07922.04212.09633.80773.28012.72603.4007
O31.43542.38242.84791.46012.44922.03612.07923.80773.28012.04212.09632.72603.4007
C42.40771.46012.84792.50941.53563.31962.69131.08771.09853.47312.81262.15442.1758
C52.40772.84791.46012.50941.53563.31962.69133.47312.81261.08771.09852.15442.1758
C62.84462.44922.44921.53561.53563.79123.26412.19552.18122.19552.18121.09251.0948
H71.08302.03612.03613.31963.31963.79121.80374.07003.68354.07003.68353.99254.8298
H81.09922.07922.07922.69132.69133.26411.80373.65692.52113.65692.52113.93934.0641
H93.30652.04213.80771.08773.47312.19554.07003.65691.77944.33543.84042.47522.5884
H102.70392.09633.28011.09852.81262.18123.68352.52111.77943.84042.67163.07082.4978
H113.30653.80772.04213.47311.08772.19554.07003.65694.33543.84041.77942.47522.5884
H122.70393.28012.09632.81261.09852.18123.68352.52113.84042.67161.77943.07082.4978
H133.24872.72602.72602.15442.15441.09253.99253.93932.47523.07082.47523.07081.7728
H143.83153.40073.40072.17582.17581.09484.82984.06412.58842.49782.58842.49781.7728

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 112.510 C1 O3 C5 112.510
O2 C1 O3 112.169 O2 C1 H7 107.062
O2 C1 H8 109.520 O2 C4 C6 109.659
O2 C4 H9 105.619 O2 C4 H10 109.216
O3 C1 H7 107.062 O3 C1 H8 109.520
O3 C5 C6 109.659 O3 C5 H11 105.619
O3 C5 H12 109.216 C4 C6 C5 109.591
C4 C6 H13 108.952 C4 C6 H14 110.505
C5 C6 H13 108.952 C5 C6 H14 110.505
C6 C4 H9 112.515 C6 C4 H10 110.710
C6 C5 H11 112.515 C6 C5 H12 110.710
H7 C1 H8 111.489 H9 C4 H10 108.960
H11 C5 H12 108.960 H13 C6 H14 108.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability