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: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-343.516832
Energy at 298.15K 
HF Energy-343.516832
Nuclear repulsion energy263.196161
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 B3LYP/SDD
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 3228 3103 6.49      
2 A1 3002 2886 229.00      
3 A1 1515 1457 9.68      
4 A1 1210 1163 7.36      
5 A1 923 888 74.60      
6 A1 706 679 1.39      
7 A1 430 413 27.14      
8 A2 1400 1345 0.00      
9 A2 1224 1176 0.00      
10 A2 886 852 0.00      
11 E 3223 3098 21.81      
11 E 3223 3098 21.80      
12 E 2986 2871 32.63      
12 E 2986 2871 32.63      
13 E 1500 1442 1.96      
13 E 1500 1442 1.95      
14 E 1434 1378 9.88      
14 E 1434 1378 9.88      
15 E 1302 1252 0.91      
15 E 1302 1252 0.91      
16 E 1142 1098 135.91      
16 E 1142 1098 135.91      
17 E 1039 998 112.12      
17 E 1039 998 112.11      
18 E 870 837 51.51      
18 E 870 837 51.52      
19 E 495 475 12.69      
19 E 495 475 12.69      
20 E 274 263 0.06      
20 E 274 263 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21526.5 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 20693.4 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 B3LYP/SDD
ABC
0.16605 0.16605 0.09194

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.377 0.186
C2 -1.193 -0.689 0.186
C3 1.193 -0.689 0.186
O4 -1.199 0.692 -0.267
O5 1.199 0.692 -0.267
O6 0.000 -1.385 -0.267
H7 0.000 2.365 -0.270
H8 0.000 1.429 1.291
H9 -2.048 -1.182 -0.270
H10 -1.238 -0.714 1.291
H11 2.048 -1.182 -0.270
H12 1.238 -0.714 1.291

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.38532.38531.45361.45362.79891.08761.10633.30942.66983.30942.6698
C22.38532.38531.45362.79891.45363.30942.66981.08761.10633.30942.6698
C32.38532.38532.79891.45361.45363.30942.66983.30942.66981.08761.1063
O41.45361.45362.79892.39832.39832.05782.10022.05782.10023.74933.2166
O51.45362.79891.45362.39832.39832.05782.10023.74933.21662.05782.1002
O62.79891.45361.45362.39832.39833.74933.21662.05782.10022.05782.1002
H71.08763.30943.30942.05782.05783.74931.82004.09563.66734.09563.6673
H81.10632.66982.66982.10022.10023.21661.82003.66732.47503.66732.4750
H93.30941.08763.30942.05783.74932.05784.09563.66731.82004.09563.6673
H102.66981.10632.66982.10023.21662.10023.66732.47501.82003.66732.4750
H113.30943.30941.08763.74932.05782.05784.09563.66734.09563.66731.8200
H122.66982.66981.10633.21662.10022.10023.66732.47503.66732.47501.8200

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 110.271 C1 O5 C3 110.271
C2 O6 C3 110.271 O4 C1 O5 111.173
O4 C1 H7 107.268 O4 C1 H8 109.504
O4 C2 O6 111.173 O4 C2 H9 107.268
O4 C2 H10 109.504 O5 C1 H7 107.268
O5 C1 H8 109.504 O5 C3 O6 111.173
O5 C3 H11 107.268 O5 C3 H12 109.504
O6 C2 H9 107.268 O6 C2 H10 109.504
O6 C3 H11 107.268 O6 C3 H12 109.504
H7 C1 H8 112.105 H9 C2 H10 112.106
H11 C3 H12 112.106
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.149      
2 C -0.149      
3 C -0.149      
4 O -0.272      
5 O -0.272      
6 O -0.272      
7 H 0.240      
8 H 0.181      
9 H 0.240      
10 H 0.181      
11 H 0.240      
12 H 0.181      


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 3.046 3.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.624 0.000 0.000
y 0.000 -35.624 0.000
z 0.000 0.000 -35.639
Traceless
 xyz
x 0.008 0.000 0.000
y 0.000 0.008 0.000
z 0.000 0.000 -0.015
Polar
3z2-r2-0.031
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 6.124 0.000 0.000
y 0.000 6.124 0.000
z 0.000 0.000 4.730


<r2> (average value of r2) Å2
<r2> 132.870
(<r2>)1/2 11.527