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: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-266.038409
Energy at 298.15K-266.043294
HF Energy-265.507850
Nuclear repulsion energy160.495511
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 CCD/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' 3545 3401 49.28      
2 A' 3219 3089 12.34      
3 A' 3193 3064 1.38      
4 A' 3034 2911 87.15      
5 A' 1707 1638 129.24      
6 A' 1652 1585 210.92      
7 A' 1472 1412 33.50      
8 A' 1442 1384 36.81      
9 A' 1424 1366 9.63      
10 A' 1274 1222 116.69      
11 A' 1092 1048 62.24      
12 A' 956 918 120.96      
13 A' 885 849 6.58      
14 A' 483 463 22.47      
15 A' 262 252 3.77      
16 A" 1013 972 7.28      
17 A" 956 917 7.85      
18 A" 767 736 58.20      
19 A" 743 713 192.73      
20 A" 390 375 1.84      
21 A" 223 214 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 14865.5 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 14263.5 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 CCD/6-31G
ABC
0.31773 0.15697 0.10507

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.100 0.000
C2 1.282 0.379 0.000
C3 -1.200 0.454 0.000
O4 1.372 -0.879 0.000
O5 -1.379 -0.915 0.000
H6 -0.512 -1.386 0.000
H7 0.016 2.190 0.000
H8 2.206 0.982 0.000
H9 -2.156 0.975 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.47071.36252.40842.44152.53831.09022.20952.1597
C21.47072.48291.26202.95902.51762.20911.10353.4896
C31.36252.48292.89681.38061.96402.11963.44671.0895
O42.40841.26202.89682.75121.95183.35542.04003.9862
O52.44152.95901.38062.75120.98593.40414.05622.0441
H62.53832.51761.96401.95180.98593.61503.60592.8771
H71.09022.20912.11963.35543.40413.61502.50092.4891
H82.20951.10353.44672.04004.05623.60592.50094.3625
H92.15973.48961.08953.98622.04412.87712.48914.3625

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.425 C1 C2 H8 117.550
C1 C3 O5 125.759 C1 C3 H9 123.095
C2 C1 C3 122.364 C2 C1 H7 118.467
C3 C1 H7 119.169 C3 O5 H6 111.084
O4 C2 H8 119.025 O5 C3 H9 111.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCD/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.400      
2 C 0.349      
3 C 0.297      
4 O -0.621      
5 O -0.755      
6 H 0.487      
7 H 0.215      
8 H 0.190      
9 H 0.237      


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