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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-342.155695
Energy at 298.15K 
HF Energy-341.538908
Nuclear repulsion energy259.710920
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/LANL2DZ
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 3237 3118 7.47      
2 A1 3010 2899 209.52      
3 A1 1532 1475 7.90      
4 A1 1209 1164 9.48      
5 A1 900 866 77.83      
6 A1 674 650 1.31      
7 A1 422 406 27.31      
8 A2 1390 1339 0.00      
9 A2 1209 1165 0.00      
10 A2 875 843 0.00      
11 E 3234 3115 19.20      
11 E 3234 3115 19.20      
12 E 3000 2890 29.25      
12 E 3000 2890 29.25      
13 E 1517 1461 0.27      
13 E 1517 1461 0.27      
14 E 1430 1377 14.86      
14 E 1430 1377 14.86      
15 E 1289 1242 0.43      
15 E 1289 1242 0.43      
16 E 1126 1085 116.07      
16 E 1126 1085 116.07      
17 E 1012 975 131.38      
17 E 1012 975 131.38      
18 E 834 803 47.62      
18 E 834 803 47.62      
19 E 479 462 14.96      
19 E 479 462 14.96      
20 E 273 263 0.11      
20 E 273 263 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 21423.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20633.2 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 MP2/LANL2DZ
ABC
0.16151 0.16151 0.08950

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.395 0.193
C2 -1.208 -0.698 0.193
C3 1.208 -0.698 0.193
O4 -1.218 0.703 -0.274
O5 1.218 0.703 -0.274
O6 0.000 -1.406 -0.274
H7 0.000 2.384 -0.269
H8 0.000 1.428 1.303
H9 -2.065 -1.192 -0.269
H10 -1.236 -0.714 1.303
H11 2.065 -1.192 -0.269
H12 1.236 -0.714 1.303

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.41672.41671.47681.47682.84041.09201.11053.34272.68503.34272.6850
C22.41672.41671.47682.84041.47683.34272.68501.09201.11053.34272.6850
C32.41672.41672.84041.47681.47683.34272.68503.34272.68501.09201.1105
O41.47681.47682.84042.43592.43592.07612.12052.07612.12053.79083.2435
O51.47682.84041.47682.43592.43592.07612.12053.79083.24352.07612.1205
O62.84041.47681.47682.43592.43593.79083.24352.07612.12052.07612.1205
H71.09203.34273.34272.07612.07613.79081.84074.13003.68804.13003.6880
H81.11052.68502.68502.12052.12053.24351.84073.68802.47293.68802.4729
H93.34271.09203.34272.07613.79082.07614.13003.68801.84074.13003.6880
H102.68501.11052.68502.12053.24352.12053.68802.47291.84073.68802.4729
H113.34273.34271.09203.79082.07612.07614.13003.68804.13003.68801.8407
H122.68502.68501.11053.24352.12052.12053.68802.47293.68802.47291.8407

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 109.818 C1 O5 C3 109.818
C2 O6 C3 109.818 O4 C1 O5 111.124
O4 C1 H7 106.887 O4 C1 H8 109.272
O4 C2 O6 111.124 O4 C2 H9 106.887
O4 C2 H10 109.272 O5 C1 H7 106.887
O5 C1 H8 109.272 O5 C3 O6 111.124
O5 C3 H11 106.887 O5 C3 H12 109.272
O6 C2 H9 106.887 O6 C2 H10 109.272
O6 C3 H11 106.887 O6 C3 H12 109.272
H7 C1 H8 113.385 H9 C2 H10 113.385
H11 C3 H12 113.385
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability