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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-264.604824
Energy at 298.15K-264.610097
Nuclear repulsion energy163.525265
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 CISD/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' 3358 3161 78.50      
2 A' 3319 3124 5.32      
3 A' 3273 3081 28.61      
4 A' 3106 2924 91.60      
5 A' 1739 1637 129.44      
6 A' 1680 1581 256.98      
7 A' 1521 1432 52.53      
8 A' 1481 1394 52.42      
9 A' 1474 1388 55.61      
10 A' 1322 1245 129.52      
11 A' 1135 1069 62.16      
12 A' 991 933 98.37      
13 A' 935 880 1.61      
14 A' 522 492 20.31      
15 A' 312 293 4.06      
16 A" 1105 1040 13.40      
17 A" 1079 1016 0.10      
18 A" 930 875 220.04      
19 A" 826 777 40.04      
20 A" 445 419 10.29      
21 A" 290 273 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 15421.8 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 14516.5 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 CISD/3-21G
ABC
0.31974 0.16952 0.11078

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.111 0.000
C2 1.246 0.363 0.000
C3 -1.177 0.448 0.000
O4 1.303 -0.888 0.000
O5 -1.312 -0.902 0.000
H6 -0.401 -1.315 0.000
H7 0.023 2.188 0.000
H8 2.169 0.949 0.000
H9 -2.130 0.958 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.45311.35082.38652.40302.45891.07732.17512.1352
C21.45312.42431.25252.85392.35122.19691.09343.4275
C31.35082.42432.81741.35681.92612.11363.38331.0804
O42.38651.25252.81742.61581.75713.33212.03093.8977
O52.40302.85391.35682.61581.00053.36623.94292.0312
H62.45892.35121.92611.75711.00053.52863.42512.8552
H71.07732.19692.11363.33213.36623.52862.47822.4794
H82.17511.09343.38332.03093.94293.42512.47824.2987
H92.13523.42751.08043.89772.03122.85522.47944.2987

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.611 C1 C2 H8 116.616
C1 C3 O5 125.118 C1 C3 H9 122.470
C2 C1 C3 119.630 C2 C1 H7 119.762
C3 C1 H7 120.608 C3 O5 H6 108.652
O4 C2 H8 119.773 O5 C3 H9 112.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CISD/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.552      
2 C 0.373      
3 C 0.300      
4 O -0.616      
5 O -0.710      
6 H 0.451      
7 H 0.250      
8 H 0.227      
9 H 0.276      


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> 103.385
(<r2>)1/2 10.168