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

using model chemistry: MP2/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-342.719174
Energy at 298.15K 
HF Energy-341.700498
Nuclear repulsion energy268.994300
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/aug-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 A1 3208 3077 5.56      
2 A1 3002 2879 156.72      
3 A1 1516 1453 5.70      
4 A1 1235 1184 19.09      
5 A1 978 938 69.58      
6 A1 742 712 0.39      
7 A1 481 461 18.05      
8 A2 1386 1329 0.00      
9 A2 1242 1191 0.00      
10 A2 965 926 0.00      
11 E 3206 3074 22.34      
11 E 3206 3074 22.34      
12 E 2992 2869 20.73      
12 E 2992 2869 20.73      
13 E 1494 1433 0.94      
13 E 1494 1433 0.94      
14 E 1423 1364 18.09      
14 E 1423 1364 18.09      
15 E 1323 1269 1.88      
15 E 1323 1269 1.88      
16 E 1183 1134 217.87      
16 E 1183 1134 217.87      
17 E 1073 1029 55.35      
17 E 1073 1029 55.35      
18 E 950 911 53.34      
18 E 950 911 53.34      
19 E 521 500 8.21      
19 E 521 500 8.21      
20 E 305 292 0.08      
20 E 305 292 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 21845.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 20950.0 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/aug-cc-pVDZ
ABC
0.17388 0.17388 0.09693

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.331 0.187
C2 -1.153 -0.666 0.187
C3 1.153 -0.666 0.187
O4 -1.173 0.677 -0.274
O5 1.173 0.677 -0.274
O6 0.000 -1.354 -0.274
H7 0.000 2.343 -0.231
H8 0.000 1.348 1.298
H9 -2.029 -1.172 -0.231
H10 -1.167 -0.674 1.298
H11 2.029 -1.172 -0.231
H12 1.167 -0.674 1.298

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30562.30561.41981.41982.72481.09501.11083.24902.57233.24902.5723
C22.30562.30561.41982.72481.41983.24902.57231.09501.11083.24902.5723
C32.30562.30562.72481.41981.41983.24902.57233.24902.57231.09501.1108
O41.41981.41982.72482.34602.34602.03782.07252.03782.07253.69773.1261
O51.41982.72481.41982.34602.34602.03782.07253.69773.12612.03782.0725
O62.72481.41981.41982.34602.34603.69773.12612.03782.07252.03782.0725
H71.09503.24903.24902.03782.03783.69771.82434.05823.57814.05823.5781
H81.11082.57232.57232.07252.07253.12611.82433.57812.33473.57812.3347
H93.24901.09503.24902.03783.69772.03784.05823.57811.82434.05823.5781
H102.57231.11082.57232.07253.12612.07253.57812.33471.82433.57812.3347
H113.24903.24901.09503.69772.03782.03784.05823.57814.05823.57811.8243
H122.57232.57231.11083.12612.07252.07253.57812.33473.57812.33471.8243

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 108.576 C1 O5 C3 108.576
C2 O6 C3 108.576 O4 C1 O5 111.414
O4 C1 H7 107.555 O4 C1 H8 109.357
O4 C2 O6 111.414 O4 C2 H9 107.555
O4 C2 H10 109.357 O5 C1 H7 107.555
O5 C1 H8 109.357 O5 C3 O6 111.414
O5 C3 H11 107.555 O5 C3 H12 109.357
O6 C2 H9 107.555 O6 C2 H10 109.357
O6 C3 H11 107.555 O6 C3 H12 109.357
H7 C1 H8 111.599 H9 C2 H10 111.599
H11 C3 H12 111.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability