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: MP3=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-342.684607
Energy at 298.15K 
HF Energy-341.671928
Nuclear repulsion energy270.867308
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=FULL/6-31+G**
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 3270 3047 6.92      
2 A1 3072 2862 164.46      
3 A1 1588 1480 2.94      
4 A1 1282 1194 24.63      
5 A1 1017 948 79.61      
6 A1 780 727 1.15      
7 A1 475 442 21.47      
8 A2 1440 1342 0.00      
9 A2 1291 1203 0.00      
10 A2 1074 1001 0.00      
11 E 3267 3043 24.99      
11 E 3267 3043 24.99      
12 E 3059 2850 19.36      
12 E 3059 2850 19.36      
13 E 1569 1461 0.32      
13 E 1569 1461 0.32      
14 E 1491 1389 39.56      
14 E 1491 1389 39.56      
15 E 1373 1279 2.71      
15 E 1373 1279 2.71      
16 E 1245 1160 252.58      
16 E 1245 1160 252.58      
17 E 1116 1039 39.38      
17 E 1116 1039 39.38      
18 E 998 929 40.89      
18 E 998 929 40.89      
19 E 537 500 9.79      
19 E 537 500 9.79      
20 E 301 281 0.22      
20 E 301 281 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 22600.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 21054.1 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=FULL/6-31+G**
ABC
0.17626 0.17626 0.09795

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.330 0.182
C2 -1.152 -0.665 0.182
C3 1.152 -0.665 0.182
O4 -1.162 0.671 -0.265
O5 1.162 0.671 -0.265
O6 0.000 -1.342 -0.265
H7 0.000 2.324 -0.246
H8 0.000 1.372 1.279
H9 -2.013 -1.162 -0.246
H10 -1.188 -0.686 1.279
H11 2.013 -1.162 -0.246
H12 1.188 -0.686 1.279

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30412.30411.40881.40882.70911.08211.09813.23212.58453.23212.5845
C22.30412.30411.40882.70911.40883.23212.58451.08211.09813.23212.5845
C32.30412.30412.70911.40881.40883.23212.58453.23212.58451.08211.0981
O41.40881.40882.70912.32392.32392.02102.05572.02102.05573.66603.1220
O51.40882.70911.40882.32392.32392.02102.05573.66603.12202.02102.0557
O62.70911.40881.40882.32392.32393.66603.12202.02102.05572.02102.0557
H71.08213.23213.23212.02102.02103.66601.79794.02583.57734.02583.5773
H81.09812.58452.58452.05572.05573.12201.79793.57732.37583.57732.3758
H93.23211.08213.23212.02103.66602.02104.02583.57731.79794.02583.5773
H102.58451.09812.58452.05573.12202.05573.57732.37581.79793.57732.3758
H113.23213.23211.08213.66602.02102.02104.02583.57734.02583.57731.7979
H122.58452.58451.09813.12202.05572.05573.57732.37583.57732.37581.7979

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 109.724 C1 O5 C3 109.724
C2 O6 C3 109.724 O4 C1 O5 111.132
O4 C1 H7 107.740 O4 C1 H8 109.551
O4 C2 O6 111.132 O4 C2 H9 107.740
O4 C2 H10 109.551 O5 C1 H7 107.740
O5 C1 H8 109.551 O5 C3 O6 111.132
O5 C3 H11 107.740 O5 C3 H12 109.551
O6 C2 H9 107.740 O6 C2 H10 109.551
O6 C3 H11 107.740 O6 C3 H12 109.551
H7 C1 H8 111.107 H9 C2 H10 111.107
H11 C3 H12 111.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability