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 C3H6O (Propylene oxide)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-191.975959
Energy at 298.15K-191.983098
HF Energy-191.975959
Nuclear repulsion energy126.096402
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 HF/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 A 3335 3030 35.82      
2 A 3272 2973 45.81      
3 A 3250 2953 39.58      
4 A 3243 2946 2.77      
5 A 3229 2934 34.46      
6 A 3170 2881 23.64      
7 A 1672 1519 8.70      
8 A 1616 1468 5.85      
9 A 1602 1456 4.79      
10 A 1575 1431 17.18      
11 A 1527 1387 4.00      
12 A 1405 1276 7.72      
13 A 1309 1189 5.99      
14 A 1293 1175 2.37      
15 A 1267 1151 6.35      
16 A 1237 1124 9.44      
17 A 1139 1035 8.86      
18 A 1069 971 23.50      
19 A 987 897 2.28      
20 A 937 851 54.71      
21 A 850 772 8.18      
22 A 443 402 6.44      
23 A 397 361 4.06      
24 A 224 204 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 20023.6 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 18193.5 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 HF/TZVP
ABC
0.62733 0.22497 0.20160

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.833 -0.761 -0.282
C2 -1.494 0.099 -0.143
H3 -1.367 0.157 -1.218
H4 -2.173 -0.716 0.090
H5 -1.930 1.029 0.212
C6 -0.140 -0.102 0.504
H7 -0.091 -0.325 1.560
C8 1.006 0.641 -0.042
H9 0.835 1.256 -0.911
H10 1.834 0.859 0.611

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.48502.56083.02883.32941.41412.10641.43332.11322.1037
C22.48501.08441.08581.08691.51362.24712.56022.71143.4964
H32.56081.08441.76741.76772.12973.09502.69192.47963.7529
H43.02881.08581.76741.76622.16282.57843.45873.73294.3367
H53.32941.08691.76771.76622.13712.65192.97262.99283.7894
C61.41411.51362.12972.16282.13711.08071.47122.18992.1988
H72.10642.24713.09502.57842.65191.08072.16843.07562.4509
C81.43332.56022.69193.45872.97261.47122.16841.07791.0771
H92.11322.71142.47963.73292.99282.18993.07561.07791.8634
H102.10373.49643.75294.33673.78942.19882.45091.07711.8634

picture of Propylene oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C6 C2 116.113 O1 C6 H7 114.540
O1 C6 C8 59.532 O1 C8 C6 58.255
O1 C8 H9 113.850 O1 C8 H10 113.092
C2 C6 H7 119.088 C2 C6 C8 118.122
H3 C2 H4 109.055 H3 C2 H5 109.000
H3 C2 C6 108.997 H4 C2 H5 108.760
H4 C2 C6 111.555 H5 C2 C6 109.436
C6 O1 C8 62.213 C6 C8 H9 117.600
C6 C8 H10 118.456 H7 C6 C8 115.519
H9 C8 H10 119.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.333      
2 C -0.271      
3 H 0.092      
4 H 0.093      
5 H 0.079      
6 C 0.127      
7 H 0.099      
8 C -0.052      
9 H 0.083      
10 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.903 1.905 0.840 2.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.356 2.593 0.489
y 2.593 -26.469 -1.304
z 0.489 -1.304 -24.208
Traceless
 xyz
x 0.982 2.593 0.489
y 2.593 -2.187 -1.304
z 0.489 -1.304 1.204
Polar
3z2-r22.409
x2-y22.112
xy2.593
xz0.489
yz-1.304


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.971 0.470 -0.190
y 0.470 4.801 -0.208
z -0.190 -0.208 4.844


<r2> (average value of r2) Å2
<r2> 73.953
(<r2>)1/2 8.600