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

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-306.792571
Energy at 298.15K-306.803953
Nuclear repulsion energy264.924775
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 MP2=FULL/cc-pVDZ
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' 3202 3043 32.70      
2 A' 3177 3019 26.22      
3 A' 3168 3011 18.39      
4 A' 3101 2948 16.72      
5 A' 3029 2879 100.93      
6 A' 2977 2829 80.71      
7 A' 1513 1438 4.94      
8 A' 1498 1424 0.27      
9 A' 1461 1389 7.05      
10 A' 1418 1348 23.69      
11 A' 1326 1261 5.99      
12 A' 1221 1161 95.45      
13 A' 1200 1141 89.68      
14 A' 1122 1066 10.81      
15 A' 1019 968 38.22      
16 A' 943 896 7.39      
17 A' 864 821 12.11      
18 A' 653 621 4.81      
19 A' 490 466 0.84      
20 A' 453 431 10.13      
21 A' 275 261 1.67      
22 A" 3170 3013 38.75      
23 A" 3022 2873 20.76      
24 A" 1497 1422 5.46      
25 A" 1452 1380 16.51      
26 A" 1397 1328 1.24      
27 A" 1370 1302 0.66      
28 A" 1344 1277 1.14      
29 A" 1267 1204 32.48      
30 A" 1236 1174 0.13      
31 A" 1116 1061 62.75      
32 A" 1057 1005 68.61      
33 A" 935 889 15.49      
34 A" 911 866 0.03      
35 A" 464 441 6.09      
36 A" 276 262 2.02      

Unscaled Zero Point Vibrational Energy (zpe) 27311.8 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 25957.1 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 MP2=FULL/cc-pVDZ
ABC
0.16757 0.16006 0.09234

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.631 -1.188 0.000
O2 0.016 -0.767 1.174
O3 0.016 -0.767 -1.174
C4 0.016 0.657 1.237
C5 0.016 0.657 -1.237
C6 0.700 1.236 0.000
H7 -0.614 -2.285 0.000
H8 -1.680 -0.813 0.000
H9 0.536 0.931 2.166
H10 -1.028 1.031 1.299
H11 0.536 0.931 -2.166
H12 -1.028 1.031 -1.299
H13 1.760 0.933 0.000
H14 0.645 2.338 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40521.40522.31352.31352.76561.09681.11453.24732.60233.24732.60233.19653.7500
O21.40522.34781.42502.79952.42012.02012.06392.03402.08313.78253.23102.70353.3783
O31.40522.34782.79951.42502.42012.02012.06393.78253.23102.03402.08312.70353.3783
C42.31351.42502.79952.47311.52713.25282.56331.09951.11103.45272.76772.15532.1796
C52.31352.79951.42502.47311.52713.25282.56333.45272.76771.09951.11102.15532.1796
C62.76562.42012.42011.52711.52713.75833.14132.19332.17152.19332.17151.10201.1035
H71.09682.02012.02013.25283.25283.75831.81714.04453.58564.04453.58563.99944.7914
H81.11452.06392.06392.56332.56333.14131.81713.55642.34893.55642.34893.85853.9166
H93.24732.03403.78251.09953.45272.19334.04453.55641.79084.33163.80282.48762.5849
H102.60232.08313.23101.11102.76772.17153.58562.34891.79083.80282.59823.07702.4885
H113.24733.78252.03403.45271.09952.19334.04453.55644.33163.80281.79082.48762.5849
H122.60233.23102.08312.76771.11102.17153.58562.34893.80282.59821.79083.07702.4885
H133.19652.70352.70352.15532.15531.10203.99943.85852.48763.07702.48763.07701.7933
H143.75003.37833.37832.17962.17961.10354.79143.91662.58492.48852.58492.48851.7933

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 109.654 C1 O3 C5 109.654
O2 C1 O3 113.313 O2 C1 H7 107.033
O2 C1 H8 109.449 O2 C4 C6 110.076
O2 C4 H9 106.645 O2 C4 H10 109.831
O3 C1 H7 107.033 O3 C1 H8 109.449
O3 C5 C6 110.076 O3 C5 H11 106.645
O3 C5 H12 109.831 C4 C6 C5 108.142
C4 C6 H13 109.056 C4 C6 H14 110.875
C5 C6 H13 109.056 C5 C6 H14 110.875
C6 C4 H9 112.213 C6 C4 H10 109.790
C6 C5 H11 112.213 C6 C5 H12 109.790
H7 C1 H8 110.512 H9 C4 H10 108.213
H11 C5 H12 108.213 H13 C6 H14 108.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability