return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/aug-cc-pVTZ

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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-343.121755
Energy at 298.15K 
HF Energy-341.789971
Nuclear repulsion energy272.153508
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/aug-cc-pVTZ
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 3203 3047 2.68      
2 A1 3014 2867 149.30      
3 A1 1553 1478 6.20      
4 A1 1257 1196 19.98      
5 A1 1003 954 71.68      
6 A1 763 725 0.51      
7 A1 485 461 18.45      
8 A2 1412 1343 0.00      
9 A2 1268 1207 0.00      
10 A2 996 948 0.00      
11 E 3200 3044 20.64      
11 E 3200 3044 20.64      
12 E 3003 2857 17.48      
12 E 3003 2857 17.48      
13 E 1533 1458 0.96      
13 E 1533 1458 0.96      
14 E 1445 1374 17.31      
14 E 1445 1374 17.31      
15 E 1348 1283 1.91      
15 E 1348 1283 1.91      
16 E 1212 1153 229.35      
16 E 1212 1153 229.35      
17 E 1097 1044 48.81      
17 E 1097 1044 48.81      
18 E 973 926 54.30      
18 E 973 926 54.30      
19 E 530 505 8.54      
19 E 530 505 8.54      
20 E 307 292 0.04      
20 E 307 292 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 22124.3 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 21049.0 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=FULL/aug-cc-pVTZ
ABC
0.17798 0.17798 0.09918

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.317 0.184
C2 -1.140 -0.658 0.184
C3 1.140 -0.658 0.184
O4 -1.159 0.669 -0.270
O5 1.159 0.669 -0.270
O6 0.000 -1.338 -0.270
H7 0.000 2.318 -0.226
H8 0.000 1.332 1.281
H9 -2.007 -1.159 -0.226
H10 -1.154 -0.666 1.281
H11 2.007 -1.159 -0.226
H12 1.154 -0.666 1.281

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28082.28081.40321.40322.69371.08161.09753.21342.54293.21342.5429
C22.28082.28081.40322.69371.40323.21342.54291.08161.09753.21342.5429
C32.28082.28082.69371.40321.40323.21342.54293.21342.54291.08161.0975
O41.40321.40322.69372.31802.31802.01582.04692.01582.04693.65643.0883
O51.40322.69371.40322.31802.31802.01582.04693.65643.08832.01582.0469
O62.69371.40321.40322.31802.31803.65643.08832.01582.04692.01582.0469
H71.08163.21343.21342.01582.01583.65641.80094.01453.53624.01453.5362
H81.09752.54292.54292.04692.04693.08831.80093.53622.30703.53622.3070
H93.21341.08163.21342.01583.65642.01584.01453.53621.80094.01453.5362
H102.54291.09752.54292.04693.08832.04693.53622.30701.80093.53622.3070
H113.21343.21341.08163.65642.01582.01584.01453.53624.01453.53621.8009
H122.54292.54291.09753.08832.04692.04693.53622.30703.53622.30701.8009

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 108.723 C1 O5 C3 108.723
C2 O6 C3 108.723 O4 C1 O5 111.372
O4 C1 H7 107.732 O4 C1 H8 109.267
O4 C2 O6 111.372 O4 C2 H9 107.732
O4 C2 H10 109.267 O5 C1 H7 107.732
O5 C1 H8 109.267 O5 C3 O6 111.372
O5 C3 H11 107.732 O5 C3 H12 109.267
O6 C2 H9 107.732 O6 C2 H10 109.267
O6 C3 H11 107.732 O6 C3 H12 109.267
H7 C1 H8 111.471 H9 C2 H10 111.471
H11 C3 H12 111.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability