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All results from a given calculation for C3H6O3 (1,3,5-Trioxane)

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-342.783039
Energy at 298.15K 
HF Energy-341.785543
Nuclear repulsion energy274.702991
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 CISD/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3291 3034 6.18      
2 A1 3110 2867 164.48      
3 A1 1627 1500 3.60      
4 A1 1330 1226 29.15      
5 A1 1068 984 80.72      
6 A1 824 759 1.16      
7 A1 479 442 21.50      
8 A2 1492 1375 0.00      
9 A2 1336 1231 0.00      
10 A2 1126 1038 0.00      
11 E 3287 3030 30.15      
11 E 3287 3030 30.14      
12 E 3094 2852 22.21      
12 E 3094 2852 22.21      
13 E 1607 1482 1.05      
13 E 1607 1482 1.05      
14 E 1540 1419 32.69      
14 E 1540 1419 32.69      
15 E 1419 1308 5.63      
15 E 1419 1308 5.63      
16 E 1310 1207 288.79      
16 E 1310 1207 288.80      
17 E 1165 1074 36.64      
17 E 1165 1074 36.66      
18 E 1048 966 41.30      
18 E 1048 966 41.34      
19 E 566 522 9.08      
19 E 566 522 9.06      
20 E 303 279 0.13      
20 E 303 279 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 23180.1 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 21367.4 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 CISD/6-311+G(3df,2p)
ABC
0.18143 0.18143 0.10064

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.316 0.174
C2 -1.139 -0.658 0.174
C3 1.139 -0.658 0.174
O4 -1.142 0.659 -0.256
O5 1.142 0.659 -0.256
O6 0.000 -1.319 -0.256
H7 0.000 2.302 -0.256
H8 0.000 1.373 1.263
H9 -1.994 -1.151 -0.256
H10 -1.189 -0.687 1.263
H11 1.994 -1.151 -0.256
H12 1.189 -0.687 1.263

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.27872.27871.38561.38562.66941.07611.09133.20072.57143.20072.5714
C22.27872.27871.38562.66941.38563.20072.57141.07611.09133.20072.5714
C32.27872.27872.66941.38561.38563.20072.57143.20072.57141.07611.0913
O41.38561.38562.66942.28442.28442.00082.03062.00082.03063.62123.0916
O51.38562.66941.38562.28442.28442.00082.03063.62123.09162.00082.0306
O62.66941.38561.38562.28442.28443.62123.09162.00082.03062.00082.0306
H71.07613.20073.20072.00082.00083.62121.78073.98763.55773.98763.5577
H81.09132.57142.57142.03062.03063.09161.78073.55772.37903.55772.3790
H93.20071.07613.20072.00083.62122.00083.98763.55771.78073.98763.5577
H102.57141.09132.57142.03063.09162.03063.55772.37901.78073.55772.3790
H113.20073.20071.07613.62122.00082.00083.98763.55773.98763.55771.7807
H122.57142.57141.09133.09162.03062.03063.55772.37903.55772.37901.7807

picture of 1,3,5-Trioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 110.628 C1 O5 C3 110.628
C2 O6 C3 110.628 O4 C1 O5 111.045
O4 C1 H7 108.081 O4 C1 H8 109.563
O4 C2 O6 111.045 O4 C2 H9 108.081
O4 C2 H10 109.563 O5 C1 H7 108.081
O5 C1 H8 109.563 O5 C3 O6 111.045
O5 C3 H11 108.081 O5 C3 H12 109.563
O6 C2 H9 108.081 O6 C2 H10 109.563
O6 C3 H11 108.081 O6 C3 H12 109.563
H7 C1 H8 110.490 H9 C2 H10 110.490
H11 C3 H12 110.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability