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

using model chemistry: MP3/6-311+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 MP3/6-311+G(3df,2p)
 hartrees
Energy at 0K-343.005417
Energy at 298.15K 
HF Energy-341.783814
Nuclear repulsion energy272.585993
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 MP3/6-311+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 3207 3207 5.01      
2 A1 3018 3018 152.32      
3 A1 1565 1565 4.40      
4 A1 1284 1284 23.67      
5 A1 1028 1028 74.33      
6 A1 789 789 1.06      
7 A1 479 479 19.79      
8 A2 1436 1436 0.00      
9 A2 1287 1287 0.00      
10 A2 1072 1072 0.00      
11 E 3204 3204 25.36      
11 E 3204 3204 25.36      
12 E 3005 3005 19.01      
12 E 3005 3005 19.01      
13 E 1546 1546 1.21      
13 E 1546 1546 1.21      
14 E 1480 1480 26.05      
14 E 1480 1480 26.05      
15 E 1369 1369 3.89      
15 E 1369 1369 3.89      
16 E 1250 1250 249.78      
16 E 1250 1250 249.78      
17 E 1119 1119 36.51      
17 E 1119 1119 36.52      
18 E 1007 1007 39.79      
18 E 1007 1007 39.84      
19 E 545 545 8.58      
19 E 545 545 8.56      
20 E 303 303 0.11      
20 E 303 303 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 22409.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22409.2 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 MP3/6-311+G(3df,2p)
ABC
0.17863 0.17863 0.09933

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.320 0.179
C2 -1.143 -0.660 0.179
C3 1.143 -0.660 0.179
O4 -1.154 0.666 -0.264
O5 1.154 0.666 -0.264
O6 0.000 -1.332 -0.264
H7 0.000 2.319 -0.241
H8 0.000 1.359 1.278
H9 -2.008 -1.160 -0.241
H10 -1.177 -0.679 1.278
H11 2.008 -1.160 -0.241
H12 1.177 -0.679 1.278

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28662.28661.39831.39832.68901.08361.09973.21852.56713.21852.5671
C22.28662.28661.39832.68901.39833.21852.56711.08361.09973.21852.5671
C32.28662.28662.68901.39831.39833.21852.56713.21852.56711.08361.0997
O41.39831.39832.68902.30712.30712.01582.04682.01582.04683.65113.1014
O51.39832.68901.39832.30712.30712.01582.04683.65113.10142.01582.0468
O62.68901.39831.39832.30712.30713.65113.10142.01582.04682.01582.0468
H71.08363.21853.21852.01582.01583.65111.79724.01663.56124.01663.5612
H81.09972.56712.56712.04682.04683.10141.79723.56122.35333.56122.3533
H93.21851.08363.21852.01583.65112.01584.01663.56121.79724.01663.5612
H102.56711.09972.56712.04683.10142.04683.56122.35331.79723.56122.3533
H113.21853.21851.08363.65112.01582.01584.01663.56124.01663.56121.7972
H122.56712.56711.09973.10142.04682.04683.56122.35333.56122.35331.7972

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 109.699 C1 O5 C3 109.699
C2 O6 C3 109.699 O4 C1 O5 111.170
O4 C1 H7 107.955 O4 C1 H8 109.469
O4 C2 O6 111.170 O4 C2 H9 107.955
O4 C2 H10 109.469 O5 C1 H7 107.955
O5 C1 H8 109.469 O5 C3 O6 111.170
O5 C3 H11 107.955 O5 C3 H12 109.469
O6 C2 H9 107.955 O6 C2 H10 109.469
O6 C3 H11 107.955 O6 C3 H12 109.469
H7 C1 H8 110.808 H9 C2 H10 110.808
H11 C3 H12 110.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability