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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-306.743953
Energy at 298.15K-306.755347
HF Energy-305.831637
Nuclear repulsion energy264.803409
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 CCD/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' 3186 3015 32.10      
2 A' 3155 2986 27.88      
3 A' 3142 2974 19.53      
4 A' 3087 2922 17.16      
5 A' 3029 2867 90.95      
6 A' 2990 2830 59.03      
7 A' 1575 1490 5.08      
8 A' 1557 1474 0.21      
9 A' 1527 1446 5.38      
10 A' 1453 1376 24.82      
11 A' 1350 1278 4.95      
12 A' 1252 1185 98.70      
13 A' 1229 1163 87.74      
14 A' 1148 1086 10.51      
15 A' 1039 984 39.25      
16 A' 950 899 8.00      
17 A' 876 829 11.06      
18 A' 668 632 5.98      
19 A' 498 471 0.89      
20 A' 449 425 12.13      
21 A' 273 258 2.37      
22 A" 3152 2983 38.89      
23 A" 3022 2860 17.47      
24 A" 1556 1473 2.59      
25 A" 1482 1403 19.31      
26 A" 1432 1355 0.38      
27 A" 1405 1330 0.04      
28 A" 1367 1294 2.00      
29 A" 1295 1226 34.53      
30 A" 1260 1193 1.38      
31 A" 1153 1092 73.60      
32 A" 1074 1016 48.69      
33 A" 949 899 15.78      
34 A" 930 880 0.07      
35 A" 470 445 8.14      
36 A" 273 259 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 27624.7 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 26146.8 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 CCD/6-31G*
ABC
0.16687 0.16026 0.09199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.625 -1.207 0.000
O2 0.016 -0.764 1.171
O3 0.016 -0.764 -1.171
C4 0.016 0.662 1.241
C5 0.016 0.662 -1.241
C6 0.689 1.244 0.000
H7 -0.579 -2.297 0.000
H8 -1.677 -0.862 0.000
H9 0.543 0.928 2.163
H10 -1.023 1.027 1.319
H11 0.543 0.928 -2.163
H12 -1.023 1.027 -1.319
H13 1.748 0.958 0.000
H14 0.626 2.341 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40701.40702.33342.33342.78161.09161.10673.25542.62433.25542.62433.21243.7624
O21.40702.34261.42812.80222.42052.01952.06142.03032.07613.77553.23862.70863.3745
O31.40702.34262.80221.42812.42052.01952.06143.77553.23862.03032.07612.70863.3745
C42.33341.42812.80222.48121.52673.26422.59451.09441.10423.45392.78622.15052.1749
C52.33342.80221.42812.48121.52673.26422.59453.45392.78621.09441.10422.15052.1749
C62.78162.42052.42051.52671.52673.76233.16832.19052.17222.19052.17221.09631.0987
H71.09162.01952.01953.26423.26423.76231.80684.04213.60394.04213.60394.00204.7929
H81.10672.06142.06142.59452.59453.16831.80683.57902.39513.57902.39513.87863.9457
H93.25542.03033.77551.09443.45392.19054.04213.57901.78164.32513.81852.47572.5849
H102.62432.07613.23861.10422.78622.17223.60392.39511.78163.81852.63743.06932.4873
H113.25543.77552.03033.45391.09442.19054.04213.57904.32513.81851.78162.47572.5849
H122.62433.23862.07612.78621.10422.17223.60392.39513.81852.63741.78163.06932.4873
H133.21242.70862.70862.15052.15051.09634.00203.87862.47573.06932.47573.06931.7805
H143.76243.37453.37452.17492.17491.09874.79293.94572.58492.48732.58492.48731.7805

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 110.772 C1 O3 C5 110.772
O2 C1 O3 112.705 O2 C1 H7 107.167
O2 C1 H8 109.601 O2 C4 C6 109.958
O2 C4 H9 106.440 O2 C4 H10 109.473
O3 C1 H7 107.167 O3 C1 H8 109.601
O3 C5 C6 109.958 O3 C5 H11 106.440
O3 C5 H12 109.473 C4 C6 C5 108.698
C4 C6 H13 109.033 C4 C6 H14 110.812
C5 C6 H13 109.033 C5 C6 H14 110.812
C6 C4 H9 112.331 C6 C4 H10 110.274
C6 C5 H11 112.331 C6 C5 H12 110.274
H7 C1 H8 110.552 H9 C4 H10 108.258
H11 C5 H12 108.258 H13 C6 H14 108.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability