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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-267.104812
Energy at 298.15K-267.110014
Nuclear repulsion energy166.549073
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 mPW1PW91/6-31G(2df,p)
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' 3265 3117 1.32      
2 A' 3189 3044 2.10      
3 A' 3017 2880 64.27      
4 A' 2989 2854 331.10      
5 A' 1740 1661 176.08      
6 A' 1673 1597 297.59      
7 A' 1495 1427 53.50      
8 A' 1425 1361 48.85      
9 A' 1411 1347 56.14      
10 A' 1310 1251 128.14      
11 A' 1123 1073 5.27      
12 A' 1029 983 34.17      
13 A' 900 859 7.08      
14 A' 532 508 17.23      
15 A' 293 280 9.23      
16 A" 1067 1019 31.37      
17 A" 1040 993 23.60      
18 A" 975 930 33.05      
19 A" 789 754 28.11      
20 A" 392 375 6.48      
21 A" 304 290 4.21      

Unscaled Zero Point Vibrational Energy (zpe) 14979.0 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 14300.4 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 mPW1PW91/6-31G(2df,p)
ABC
0.33057 0.17805 0.11572

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.105 0.000
C2 1.219 0.357 0.000
C3 -1.178 0.419 0.000
O4 1.261 -0.878 0.000
O5 -1.258 -0.885 0.000
H6 -0.303 -1.202 0.000
H7 0.010 2.185 0.000
H8 2.167 0.922 0.000
H9 -2.144 0.919 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.43051.36302.34912.35422.32691.08002.17502.1524
C21.43052.39811.23512.77132.17932.19201.10363.4103
C31.36302.39812.76161.30651.84222.12793.38281.0880
O42.34911.23512.76162.51851.59703.30792.01513.8496
O52.35422.77131.30652.51851.00613.32123.87272.0098
H62.32692.17931.84221.59701.00613.40153.25822.8087
H71.08002.19202.12793.30793.32123.40152.50012.4984
H82.17501.10363.38282.01513.87273.25822.50014.3117
H92.15243.41031.08803.84962.00982.80872.49844.3117

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.428 C1 C2 H8 117.676
C1 C3 O5 123.726 C1 C3 H9 122.443
C2 C1 C3 118.267 C2 C1 H7 121.016
C3 C1 H7 120.717 C3 O5 H6 104.863
O4 C2 H8 118.896 O5 C3 H9 113.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.328      
2 C 0.152      
3 C 0.135      
4 O -0.393      
5 O -0.369      
6 H 0.368      
7 H 0.143      
8 H 0.128      
9 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.578 2.436 0.000 2.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.766 0.492 0.000
y 0.492 -27.855 0.000
z 0.000 0.000 -29.317
Traceless
 xyz
x 0.820 0.492 0.000
y 0.492 0.686 0.000
z 0.000 0.000 -1.507
Polar
3z2-r2-3.014
x2-y20.089
xy0.492
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.941 0.239 0.000
y 0.239 6.211 0.000
z 0.000 0.000 2.973


<r2> (average value of r2) Å2
<r2> 99.169
(<r2>)1/2 9.958