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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-266.416330
Energy at 298.15K-266.421330
HF Energy-265.626380
Nuclear repulsion energy163.290195
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 QCISD(T)/6-31G*
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' 3354 3217        
2 A' 3230 3098        
3 A' 3195 3065        
4 A' 3005 2883        
5 A' 1727 1657        
6 A' 1665 1597        
7 A' 1489 1429        
8 A' 1444 1385        
9 A' 1425 1367        
10 A' 1296 1243        
11 A' 1122 1077        
12 A' 995 955        
13 A' 891 855        
14 A' 503 483        
15 A' 292 280        
16 A" 1027 985        
17 A" 960 921        
18 A" 843 808        
19 A" 756 725        
20 A" 367 352        
21 A" 261 250        

Unscaled Zero Point Vibrational Energy (zpe) 14923.4 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 14316.0 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 QCISD(T)/6-31G*
ABC
0.32530 0.16543 0.10966

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.100 0.000
C2 1.253 0.367 0.000
C3 -1.191 0.432 0.000
O4 1.327 -0.877 0.000
O5 -1.328 -0.899 0.000
H6 -0.406 -1.276 0.000
H7 0.009 2.188 0.000
H8 2.189 0.959 0.000
H9 -2.152 0.949 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.45171.36552.38172.40072.41061.08732.19312.1570
C21.45172.44451.24632.87482.33452.20541.10733.4537
C31.36552.44452.83811.33871.87952.12623.42021.0908
O42.38171.24632.83812.65541.77853.33662.02813.9288
O52.40072.87481.33872.65540.99583.36413.97752.0232
H62.41062.33451.87951.77850.99583.48823.42432.8274
H71.08732.20542.12623.33663.36413.48822.50252.4903
H82.19311.10733.42022.02813.97753.42432.50254.3402
H92.15703.45371.09083.92882.02322.82742.49034.3402

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.775 C1 C2 H8 117.330
C1 C3 O5 125.187 C1 C3 H9 122.441
C2 C1 C3 120.348 C2 C1 H7 119.902
C3 C1 H7 119.751 C3 O5 H6 106.313
O4 C2 H8 118.895 O5 C3 H9 112.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at QCISD(T)/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.449      
2 C 0.354      
3 C 0.276      
4 O -0.615      
5 O -0.719      
6 H 0.531      
7 H 0.215      
8 H 0.180      
9 H 0.226      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 103.987
(<r2>)1/2 10.197