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: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-267.100521
Energy at 298.15K-267.105681
Nuclear repulsion energy165.929029
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 mPW1PW91/6-31+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' 3271 3113 1.17      
2 A' 3219 3063 0.92      
3 A' 3062 2914 140.32      
4 A' 3037 2890 252.23      
5 A' 1731 1647 230.92      
6 A' 1656 1576 329.63      
7 A' 1500 1428 47.58      
8 A' 1417 1349 32.43      
9 A' 1402 1335 80.55      
10 A' 1306 1243 154.31      
11 A' 1128 1074 6.52      
12 A' 1031 981 37.60      
13 A' 896 852 8.76      
14 A' 527 501 18.32      
15 A' 272 259 9.99      
16 A" 1062 1011 47.21      
17 A" 1039 989 16.82      
18 A" 963 917 47.14      
19 A" 789 751 44.82      
20 A" 399 379 6.86      
21 A" 298 284 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 15001.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 14278.3 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 mPW1PW91/6-31+G**
ABC
0.32882 0.17638 0.11480

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.105 0.000
C2 1.226 0.364 0.000
C3 -1.183 0.420 0.000
O4 1.267 -0.878 0.000
O5 -1.264 -0.889 0.000
H6 -0.315 -1.222 0.000
H7 0.006 2.186 0.000
H8 2.173 0.926 0.000
H9 -2.148 0.920 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.43261.36692.35312.36112.34831.08152.18032.1564
C21.43262.40961.24242.78762.21142.19321.10153.4199
C31.36692.40962.77261.31181.85732.12923.39391.0872
O42.35311.24242.77262.53121.61933.31362.01903.8598
O52.36112.78761.31182.53121.00563.32763.88712.0137
H62.34832.21141.85731.61931.00563.42363.28732.8193
H71.08152.19322.12923.31363.32763.42362.50652.4992
H82.18031.10153.39392.01903.88713.28732.50654.3214
H92.15643.41991.08723.85982.01372.81932.49924.3214

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.052 C1 C2 H8 118.130
C1 C3 O5 123.615 C1 C3 H9 122.566
C2 C1 C3 118.777 C2 C1 H7 120.831
C3 C1 H7 120.391 C3 O5 H6 105.781
O4 C2 H8 118.819 O5 C3 H9 113.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.017      
2 C 0.036      
3 C -0.022      
4 O -0.488      
5 O -0.438      
6 H 0.428      
7 H 0.176      
8 H 0.148      
9 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.630 2.821 0.000 2.890
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.871 0.617 0.000
y 0.617 -28.840 0.000
z 0.000 0.000 -30.511
Traceless
 xyz
x 0.804 0.617 0.000
y 0.617 0.851 0.000
z 0.000 0.000 -1.655
Polar
3z2-r2-3.310
x2-y2-0.031
xy0.617
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.551 0.237 0.000
y 0.237 6.900 0.000
z 0.000 0.000 3.906


<r2> (average value of r2) Å2
<r2> 100.495
(<r2>)1/2 10.025