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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: PBEPBE/3-21G

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/3-21G
 hartrees
Energy at 0K-265.380763
Energy at 298.15K-265.385869
Nuclear repulsion energy164.779978
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/3-21G
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' 3200 3171 0.43      
2 A' 3049 3021 5.11      
3 A' 3045 3017 68.44      
4 A' 1861 1844 115.89      
5 A' 1606 1592 425.70      
6 A' 1545 1531 64.19      
7 A' 1453 1440 54.72      
8 A' 1310 1298 78.05      
9 A' 1300 1288 39.64      
10 A' 1096 1086 0.00      
11 A' 1028 1018 0.81      
12 A' 921 913 0.80      
13 A' 578 573 0.69      
14 A' 558 553 19.05      
15 A' 277 274 100.28      
16 A" 1225 1214 142.71      
17 A" 1003 994 0.00      
18 A" 979 970 4.29      
19 A" 788 781 38.35      
20 A" 423 419 18.75      
21 A" 372 368 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13807.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 13682.2 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/3-21G
ABC
0.31009 0.18499 0.11587

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.144 0.000
C2 -1.198 0.406 0.000
C3 1.198 0.406 0.000
O4 -1.214 -0.913 0.000
O5 1.214 -0.913 0.000
H6 -0.000 -1.198 0.000
H7 0.000 2.231 0.000
H8 -2.172 0.916 0.000
H9 2.172 0.916 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.40691.40712.38872.38862.34211.08732.18412.1841
C21.40692.39571.31912.74922.00182.18331.09993.4084
C31.40712.39572.74931.31882.00212.18333.40851.0999
O42.38871.31912.74932.42881.24723.37062.06483.8491
O52.38862.74921.31882.42881.24783.37053.84902.0648
H62.34212.00182.00211.24721.24783.42943.03113.0316
H71.08732.18332.18333.37063.37053.42942.53942.5391
H82.18411.09993.40852.06483.84903.03112.53944.3444
H92.18413.40841.09993.84912.06483.03162.53914.3444

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.358 C1 C2 H8 120.724
C1 C3 O5 122.356 C1 C3 H9 120.710
C2 C1 C3 116.723 C2 C1 H7 121.645
C3 C1 H7 121.632 C3 O5 H6 102.501
O4 C2 H8 116.918 O5 C3 H9 116.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.371      
2 C 0.151      
3 C 0.151      
4 O -0.481      
5 O -0.481      
6 H 0.366      
7 H 0.210      
8 H 0.227      
9 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 2.525 0.000 2.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.335 -0.000 0.000
y -0.000 -28.491 0.000
z 0.000 0.000 -30.151
Traceless
 xyz
x 0.986 -0.000 0.000
y -0.000 0.752 0.000
z 0.000 0.000 -1.738
Polar
3z2-r2-3.475
x2-y20.156
xy-0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.369 0.001 0.000
y 0.001 5.892 0.000
z 0.000 0.000 1.708


<r2> (average value of r2) Å2
<r2> 99.617
(<r2>)1/2 9.981