return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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-264.610086
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 3138 78.50      
2 A' 3319 3101 5.32      
3 A' 3273 3058 28.61      
4 A' 3106 2902 91.60      
5 A' 1739 1625 129.44      
6 A' 1680 1570 256.98      
7 A' 1521 1422 52.53      
8 A' 1481 1384 52.42      
9 A' 1474 1378 55.61      
10 A' 1322 1236 129.52      
11 A' 1135 1061 62.16      
12 A' 991 926 98.37      
13 A' 935 874 1.61      
14 A' 522 488 20.31      
15 A' 312 291 4.06      
16 A" 1105 1033 13.40      
17 A" 1079 1009 0.10      
18 A" 930 869 220.04      
19 A" 826 772 40.04      
20 A" 445 416 10.29      
21 A" 290 271 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 15421.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 14410.1 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> 0.000
(<r2>)1/2 0.000