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 C3H4O2 (propenalol)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-266.914472
Energy at 298.15K-266.919573
Nuclear repulsion energy164.506324
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 PBEPBE/6-311G*
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' 3151 3118 5.21      
2 A' 3094 3061 8.84      
3 A' 2897 2867 73.74      
4 A' 2827 2798 282.33      
5 A' 1646 1629 211.85      
6 A' 1605 1589 204.73      
7 A' 1442 1427 54.74      
8 A' 1374 1359 52.65      
9 A' 1357 1343 35.77      
10 A' 1265 1252 138.02      
11 A' 1084 1073 5.89      
12 A' 992 982 27.83      
13 A' 873 864 6.42      
14 A' 514 508 15.90      
15 A' 303 300 9.60      
16 A" 1016 1005 79.89      
17 A" 980 970 7.44      
18 A" 902 892 24.98      
19 A" 760 752 35.45      
20 A" 378 374 5.61      
21 A" 302 298 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 14380.0 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 14230.5 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 PBEPBE/6-311G*
ABC
0.32493 0.17220 0.11255

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.109 0.000
C2 1.232 0.370 0.000
C3 -1.192 0.421 0.000
O4 1.290 -0.880 0.000
O5 -1.283 -0.898 0.000
H6 -0.322 -1.236 0.000
H7 0.004 2.199 0.000
H8 2.185 0.947 0.000
H9 -2.167 0.920 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.43671.37612.37102.38242.36701.09032.19112.1757
C21.43672.42441.25182.81752.23522.20331.11353.4440
C31.37612.42442.80221.32211.87102.14303.41741.0962
O42.37101.25182.80222.57401.65133.33742.03403.8984
O52.38242.81751.32212.57401.01913.35433.92862.0217
H62.36702.23521.87101.65131.01913.45073.32412.8380
H71.09032.20332.14303.33743.35433.45072.51542.5201
H82.19111.11353.41742.03403.92863.32412.51544.3527
H92.17573.44401.09623.89842.02172.83802.52014.3527

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.601 C1 C2 H8 117.894
C1 C3 O5 123.998 C1 C3 H9 122.894
C2 C1 C3 119.050 C2 C1 H7 120.739
C3 C1 H7 120.211 C3 O5 H6 105.375
O4 C2 H8 118.505 O5 C3 H9 113.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.375      
2 C 0.078      
3 C 0.068      
4 O -0.360      
5 O -0.418      
6 H 0.391      
7 H 0.204      
8 H 0.182      
9 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.666 2.400 0.000 2.491
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.089 0.406 0.000
y 0.406 -28.352 0.000
z 0.000 0.000 -30.297
Traceless
 xyz
x 0.236 0.406 0.000
y 0.406 1.341 0.000
z 0.000 0.000 -1.577
Polar
3z2-r2-3.153
x2-y2-0.736
xy0.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.264 0.306 0.000
y 0.306 6.590 0.000
z 0.000 0.000 2.869


<r2> (average value of r2) Å2
<r2> 101.995
(<r2>)1/2 10.099