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

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-343.560815
Energy at 298.15K 
HF Energy-343.560815
Nuclear repulsion energy271.231983
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 B3PW91/TZVP
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 3159 3046 5.78      
2 A1 2952 2846 184.25      
3 A1 1517 1463 6.19      
4 A1 1246 1202 21.08      
5 A1 996 961 83.84      
6 A1 766 738 0.57      
7 A1 466 449 17.34      
8 A2 1408 1358 0.00      
9 A2 1258 1213 0.00      
10 A2 959 925 0.00      
11 E 3155 3043 27.26      
11 E 3155 3043 27.26      
12 E 2936 2831 23.95      
12 E 2936 2831 23.95      
13 E 1500 1446 3.86      
13 E 1500 1446 3.86      
14 E 1454 1402 24.30      
14 E 1454 1402 24.30      
15 E 1339 1291 1.39      
15 E 1339 1291 1.39      
16 E 1196 1153 221.01      
16 E 1196 1153 221.01      
17 E 1087 1048 58.69      
17 E 1087 1048 58.69      
18 E 963 929 54.94      
18 E 963 929 54.94      
19 E 535 516 7.28      
19 E 535 516 7.28      
20 E 304 293 0.13      
20 E 304 293 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 21831.4 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 21052.0 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 B3PW91/TZVP
ABC
0.17682 0.17682 0.09828

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.325 0.180
C2 -1.147 -0.662 0.180
C3 1.147 -0.662 0.180
O4 -1.162 0.671 -0.265
O5 1.162 0.671 -0.265
O6 0.000 -1.341 -0.265
H7 0.000 2.326 -0.245
H8 0.000 1.368 1.284
H9 -2.014 -1.163 -0.245
H10 -1.185 -0.684 1.284
H11 2.014 -1.163 -0.245
H12 1.185 -0.684 1.284

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29462.29461.40521.40522.70281.08741.10473.22902.58033.22902.5803
C22.29462.29461.40522.70281.40523.22902.58031.08741.10473.22902.5803
C32.29462.29462.70281.40521.40523.22902.58033.22902.58031.08741.1047
O41.40521.40522.70282.32312.32312.02232.05732.02232.05733.66733.1205
O51.40522.70281.40522.32312.32312.02232.05733.66733.12052.02232.0573
O62.70281.40521.40522.32312.32313.66733.12052.02232.05732.02232.0573
H71.08743.22903.22902.02232.02233.66731.80344.02873.57774.02873.5777
H81.10472.58032.58032.05732.05733.12051.80343.57772.36983.57772.3698
H93.22901.08743.22902.02233.66732.02234.02873.57771.80344.02873.5777
H102.58031.10472.58032.05733.12052.05733.57772.36981.80343.57772.3698
H113.22903.22901.08743.66732.02232.02234.02873.57774.02873.57771.8034
H122.58032.58031.10473.12052.05732.05733.57772.36983.57772.36981.8034

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 109.470 C1 O5 C3 109.470
C2 O6 C3 109.470 O4 C1 O5 111.510
O4 C1 H7 107.777 O4 C1 H8 109.523
O4 C2 O6 111.510 O4 C2 H9 107.777
O4 C2 H10 109.523 O5 C1 H7 107.777
O5 C1 H8 109.523 O5 C3 O6 111.510
O5 C3 H11 107.777 O5 C3 H12 109.523
O6 C2 H9 107.777 O6 C2 H10 109.523
O6 C3 H11 107.777 O6 C3 H12 109.523
H7 C1 H8 110.711 H9 C2 H10 110.710
H11 C3 H12 110.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.037      
2 C -0.037      
3 C -0.037      
4 O -0.218      
5 O -0.218      
6 O -0.218      
7 H 0.146      
8 H 0.108      
9 H 0.146      
10 H 0.108      
11 H 0.146      
12 H 0.108      


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 2.114 2.114
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.000 0.000 0.000
y 0.000 -35.000 0.000
z 0.000 0.000 -35.799
Traceless
 xyz
x 0.399 0.000 0.000
y 0.000 0.399 0.000
z 0.000 0.000 -0.799
Polar
3z2-r2-1.598
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 6.862 0.000 0.000
y 0.000 6.862 0.000
z 0.000 0.000 5.947


<r2> (average value of r2) Å2
<r2> 126.021
(<r2>)1/2 11.226