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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-266.444547
Energy at 298.15K-266.449519
HF Energy-265.648984
Nuclear repulsion energy163.673066
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/6-31+G**
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' 3521 3329 129.44      
2 A' 3293 3113 4.98      
3 A' 3262 3084 11.21      
4 A' 3080 2911 93.35      
5 A' 1737 1642 207.69      
6 A' 1657 1567 315.47      
7 A' 1501 1419 41.39      
8 A' 1435 1357 26.43      
9 A' 1418 1340 61.69      
10 A' 1294 1223 158.73      
11 A' 1129 1067 26.20      
12 A' 999 944 80.24      
13 A' 893 844 10.22      
14 A' 501 473 20.13      
15 A' 265 250 4.77      
16 A" 1045 988 7.00      
17 A" 983 930 18.37      
18 A" 832 786 75.66      
19 A" 756 715 68.53      
20 A" 372 352 5.88      
21 A" 244 230 5.28      

Unscaled Zero Point Vibrational Energy (zpe) 15106.5 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 14281.7 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/6-31+G**
ABC
0.32670 0.16611 0.11012

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.098 0.000
C2 1.253 0.366 0.000
C3 -1.188 0.433 0.000
O4 1.323 -0.876 0.000
O5 -1.325 -0.897 0.000
H6 -0.420 -1.282 0.000
H7 0.008 2.178 0.000
H8 2.183 0.952 0.000
H9 -2.140 0.950 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.45131.36152.37592.39442.41601.08002.18752.1451
C21.45132.44281.24412.87142.34872.19821.09863.4435
C31.36152.44282.83201.33691.87912.11523.41081.0831
O42.37591.24412.83202.64831.78963.32462.02033.9151
O52.39442.87141.33692.64830.98363.35093.96542.0187
H62.41602.34871.87911.78960.98363.48563.43002.8178
H71.08002.19822.11523.32463.35093.48562.49602.4740
H82.18751.09863.41082.02033.96543.43002.49604.3228
H92.14513.44351.08313.91512.01872.81782.47404.3228

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.459 C1 C2 H8 117.496
C1 C3 O5 125.086 C1 C3 H9 122.275
C2 C1 C3 120.530 C2 C1 H7 119.834
C3 C1 H7 119.636 C3 O5 H6 107.165
O4 C2 H8 119.045 O5 C3 H9 112.639
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at QCISD/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 C 0.343      
3 C 0.237      
4 O -0.621      
5 O -0.587      
6 H 0.461      
7 H 0.186      
8 H 0.142      
9 H 0.177      


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> 0.000
(<r2>)1/2 0.000