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: M06-2X/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 M06-2X/6-31+G**
 hartrees
Energy at 0K-343.447833
Energy at 298.15K 
HF Energy-343.447833
Nuclear repulsion energy271.349071
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 M06-2X/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 3197 3044 6.35      
2 A1 2999 2856 179.86      
3 A1 1534 1461 5.56      
4 A1 1252 1192 28.99      
5 A1 1018 970 83.25      
6 A1 780 743 1.21      
7 A1 482 458 22.31      
8 A2 1410 1343 0.00      
9 A2 1264 1203 0.00      
10 A2 1048 998 0.00      
11 E 3194 3042 25.39      
11 E 3194 3042 25.29      
12 E 2984 2841 21.80      
12 E 2984 2841 21.82      
13 E 1515 1443 2.57      
13 E 1515 1443 2.53      
14 E 1455 1386 34.10      
14 E 1455 1386 34.06      
15 E 1346 1281 4.16      
15 E 1346 1281 4.15      
16 E 1238 1179 282.57      
16 E 1238 1179 282.40      
17 E 1100 1048 26.30      
17 E 1100 1048 26.44      
18 E 1000 952 47.21      
18 E 1000 952 47.23      
19 E 539 513 9.94      
19 E 539 513 9.91      
20 E 309 294 0.20      
20 E 309 294 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 22171.0 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 21111.3 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 M06-2X/6-31+G**
ABC
0.17701 0.17701 0.09836

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.328 0.179
C2 -1.150 -0.664 0.179
C3 1.150 -0.664 0.179
O4 -1.158 0.669 -0.263
O5 1.158 0.669 -0.263
O6 0.000 -1.338 -0.263
H7 0.000 2.327 -0.251
H8 0.000 1.369 1.283
H9 -2.016 -1.164 -0.251
H10 -1.186 -0.685 1.283
H11 2.016 -1.164 -0.251
H12 1.186 -0.685 1.283

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30022.30021.40421.40422.70201.08801.10533.23362.58393.23362.5839
C22.30022.30021.40422.70201.40423.23362.58391.08801.10533.23362.5839
C32.30022.30022.70201.40421.40423.23362.58393.23362.58391.08801.1053
O41.40421.40422.70202.31682.31682.02312.05542.02312.05543.66503.1175
O51.40422.70201.40422.31682.31682.02312.05543.66503.11752.02312.0554
O62.70201.40421.40422.31682.31683.66503.11752.02312.05542.02312.0554
H71.08803.23363.23362.02312.02313.66501.80934.03123.58244.03123.5824
H81.10532.58392.58392.05542.05543.11751.80933.58242.37153.58242.3715
H93.23361.08803.23362.02313.66502.02314.03123.58241.80934.03123.5824
H102.58391.10532.58392.05543.11752.05543.58242.37151.80933.58242.3715
H113.23363.23361.08803.66502.02312.02314.03123.58244.03123.58241.8093
H122.58392.58391.10533.11752.05542.05543.58242.37153.58242.37151.8093

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 109.972 C1 O5 C3 109.972
C2 O6 C3 109.972 O4 C1 O5 111.162
O4 C1 H7 107.861 O4 C1 H8 109.397
O4 C2 O6 111.162 O4 C2 H9 107.861
O4 C2 H10 109.397 O5 C1 H7 107.861
O5 C1 H8 109.397 O5 C3 O6 111.162
O5 C3 H11 107.861 O5 C3 H12 109.397
O6 C2 H9 107.861 O6 C2 H10 109.397
O6 C3 H11 107.861 O6 C3 H12 109.397
H7 C1 H8 111.155 H9 C2 H10 111.155
H11 C3 H12 111.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.086      
2 C 0.086      
3 C 0.086      
4 O -0.378      
5 O -0.378      
6 O -0.378      
7 H 0.167      
8 H 0.125      
9 H 0.167      
10 H 0.125      
11 H 0.167      
12 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.237 2.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.281 0.000 0.000
y 0.000 -35.281 0.000
z 0.000 0.000 -36.272
Traceless
 xyz
x 0.496 0.000 0.000
y 0.000 0.496 0.000
z 0.000 0.000 -0.991
Polar
3z2-r2-1.983
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.890 0.000 0.000
y 0.000 6.899 -0.003
z 0.000 -0.003 6.092


<r2> (average value of r2) Å2
<r2> 126.171
(<r2>)1/2 11.233