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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: CCSD(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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-266.415104
Energy at 298.15K-266.420103
HF Energy-265.626566
Nuclear repulsion energy163.306590
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 CCSD(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' 3367 3239        
2 A' 3231 3108        
3 A' 3198 3076        
4 A' 3008 2894        
5 A' 1731 1665        
6 A' 1668 1605        
7 A' 1491 1435        
8 A' 1446 1392        
9 A' 1427 1372        
10 A' 1297 1248        
11 A' 1124 1081        
12 A' 996 958        
13 A' 892 858        
14 A' 504 484        
15 A' 292 281        
16 A" 1027 988        
17 A" 959 923        
18 A" 841 809        
19 A" 756 727        
20 A" 368 354        
21 A" 260 250        

Unscaled Zero Point Vibrational Energy (zpe) 14939.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 14373.4 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 CCSD(T)/6-31G*
ABC
0.32558 0.16532 0.10964

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 0.366 0.000
C3 -1.191 0.432 0.000
O4 1.328 -0.877 0.000
O5 -1.329 -0.899 0.000
H6 -0.409 -1.277 0.000
H7 0.009 2.187 0.000
H8 2.188 0.959 0.000
H9 -2.151 0.949 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.45181.36512.38112.40042.41141.08732.19282.1561
C21.45182.44461.24552.87572.33692.20511.10713.4534
C31.36512.44462.83821.33831.87942.12563.41981.0906
O42.38111.24552.83822.65711.78183.33562.02743.9287
O52.40042.87571.33832.65710.99523.36363.97802.0227
H62.41142.33691.87941.78180.99523.48883.42672.8268
H71.08732.20512.12563.33563.36363.48882.50182.4891
H82.19281.10713.41982.02743.97803.42672.50184.3392
H92.15613.45341.09063.92872.02272.82682.48914.3392

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.774 C1 C2 H8 117.314
C1 C3 O5 125.223 C1 C3 H9 122.410
C2 C1 C3 120.383 C2 C1 H7 119.875
C3 C1 H7 119.742 C3 O5 H6 106.368
O4 C2 H8 118.913 O5 C3 H9 112.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCSD(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 -0.614      
5 O -0.719      
6 H 0.531      
7 H 0.214      
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> 103.998
(<r2>)1/2 10.198