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

using model chemistry: G3MP2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at G3MP2
 hartrees
Energy at 0K-343.104253
Energy at 298.15K-343.098400
HF Energy-341.656140
Nuclear repulsion energy273.984038
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 HF/6-31G*
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 3363 3168 20.86      
2 A1 3182 2998 217.68      
3 A1 1700 1602 1.18      
4 A1 1377 1297 41.60      
5 A1 1088 1025 100.93      
6 A1 846 797 1.08      
7 A1 467 440 26.31      
8 A2 1546 1457 0.00      
9 A2 1385 1305 0.00      
10 A2 1174 1106 0.00      
11 E 3357 3163 52.92      
11 E 3357 3163 52.92      
12 E 3159 2976 25.48      
12 E 3159 2976 25.48      
13 E 1678 1581 0.01      
13 E 1678 1581 0.01      
14 E 1611 1517 69.93      
14 E 1611 1517 69.93      
15 E 1467 1382 5.19      
15 E 1467 1382 5.19      
16 E 1353 1275 332.89      
16 E 1353 1275 332.89      
17 E 1204 1134 50.35      
17 E 1204 1134 50.35      
18 E 1073 1011 33.43      
18 E 1073 1011 33.43      
19 E 580 547 10.35      
19 E 580 547 10.35      
20 E 295 278 0.37      
20 E 295 278 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 23839.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 22461.7 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/6-31G*
ABC
0.17568 0.17568 0.09784

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.458 0.051
C2 -1.263 -0.729 0.051
C3 1.263 -0.729 0.051
O4 -1.265 0.730 -0.059
O5 1.265 0.730 -0.059
O6 0.000 -1.460 -0.059
H7 0.000 2.093 -0.793
H8 0.000 2.012 0.957
H9 -1.813 -1.047 -0.793
H10 -1.742 -1.006 0.957
H11 1.813 -1.047 -0.793
H12 1.742 -1.006 0.957

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.52592.52591.46341.46342.92061.05621.06193.20533.15123.20533.1512
C22.52592.52591.46342.92061.46343.20533.15121.05621.06193.20533.1512
C32.52592.52592.92061.46341.46343.20533.15123.20533.15121.05621.0619
O41.46341.46342.92062.52912.52911.99932.06731.99932.06733.62873.6177
O51.46342.92061.46342.52912.52911.99932.06733.62873.61771.99932.0673
O62.92061.46341.46342.52912.52913.62873.61771.99932.06731.99932.0673
H71.05623.20533.20531.99931.99933.62871.75203.62583.96303.62583.9630
H81.06193.15123.15122.06732.06733.61771.75203.96303.48493.96303.4849
H93.20531.05623.20531.99933.62871.99933.62583.96301.75203.62583.9630
H103.15121.06193.15122.06733.61772.06733.96303.48491.75203.96303.4849
H113.20533.20531.05623.62871.99931.99933.62583.96303.62583.96301.7520
H123.15123.15121.06193.61772.06732.06733.96303.48493.96303.48491.7520

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 111.640 C1 O5 C3 111.640
C2 O6 C3 111.640 O4 C1 O5 111.126
O4 C1 H7 107.979 O4 C1 H8 109.721
O4 C2 O6 111.126 O4 C2 H9 107.979
O4 C2 H10 109.721 O5 C1 H7 107.979
O5 C1 H8 109.721 O5 C3 O6 111.126
O5 C3 H11 107.979 O5 C3 H12 109.721
O6 C2 H9 107.979 O6 C2 H10 109.721
O6 C3 H11 107.979 O6 C3 H12 109.721
H7 C1 H8 110.283 H9 C2 H10 110.283
H11 C3 H12 110.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability