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 C6H5CHO (benzaldehyde)

using model chemistry: ROMP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROMP2/STO-3G
 hartrees
Energy at 0K-339.590978
Energy at 298.15K 
HF Energy-339.108613
Nuclear repulsion energy314.116082
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 ROMP2/STO-3G
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' 3528 3528        
2 A' 3519 3519        
3 A' 3512 3512        
4 A' 3504 3504        
5 A' 3501 3501        
6 A' 3285 3285        
7 A' 1746 1746        
8 A' 1740 1740        
9 A' 1707 1707        
10 A' 1631 1631        
11 A' 1579 1579        
12 A' 1490 1490        
13 A' 1426 1426        
14 A' 1305 1305        
15 A' 1289 1289        
16 A' 1263 1263        
17 A' 1216 1216        
18 A' 1155 1155        
19 A' 1102 1102        
20 A' 1067 1067        
21 A' 857 857        
22 A' 668 668        
23 A' 657 657        
24 A' 444 444        
25 A' 193 193        
26 A" 1078 1078        
27 A" 1064 1064        
28 A" 1013 1013        
29 A" 961 961        
30 A" 936 936        
31 A" 790 790        
32 A" 759 759        
33 A" 487 487        
34 A" 438 438        
35 A" 234 234        
36 A" 108 108        

Unscaled Zero Point Vibrational Energy (zpe) 25624.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25624.3 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 ROMP2/STO-3G
ABC
0.16935 0.04953 0.03832

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.579 0.000
C2 -1.033 -0.398 0.000
C3 -0.711 -1.775 0.000
C4 0.647 -2.184 0.000
C5 1.680 -1.214 0.000
C6 1.358 0.164 0.000
C7 -0.353 2.076 0.000
O8 -1.535 2.529 0.000
H9 0.547 2.751 0.000
H10 -2.083 -0.064 0.000
H11 -1.513 -2.529 0.000
H12 0.899 -3.256 0.000
H13 2.734 -1.533 0.000
H14 2.159 0.921 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.42202.45922.83852.45811.42041.53762.48132.23902.18003.45733.93953.45572.1858
C21.42201.41382.45192.83322.45592.56572.96983.52281.10222.18463.44953.93443.4534
C32.45921.41381.41822.45582.83513.86734.38194.69692.19341.10132.18753.45343.9370
C42.83852.45191.41821.41702.45314.37605.19384.93583.45682.18741.10112.18633.4534
C52.45812.83322.45581.41701.41533.86814.93484.12393.93533.45332.18601.10122.1881
C61.42042.45592.83512.45311.41532.56633.73702.71123.44863.93633.45042.18501.1020
C71.53762.56573.86734.37603.86812.56631.26571.12492.75144.74905.47714.74992.7651
O82.48132.96984.38195.19384.93483.73701.26572.09382.64995.05826.27625.89334.0290
H92.23903.52284.69694.93584.12392.71121.12492.09383.85195.66756.01704.81022.4387
H102.18001.10222.19343.45683.93533.44862.75142.64993.85192.53064.36845.03654.3546
H113.45732.18461.10132.18743.45333.93634.74905.05825.66752.53062.51904.36245.0383
H123.93953.44952.18751.10112.18603.45045.47716.27626.01704.36842.51902.51714.3626
H133.45573.93443.45342.18631.10122.18504.74995.89334.81025.03654.36242.51712.5207
H142.18583.45343.93703.45342.18811.10202.76514.02902.43874.35465.03834.36262.5207

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.268 C1 C2 H10 118.905
C1 C6 C5 120.184 C1 C6 H14 119.587
C1 C7 O8 124.246 C1 C7 H9 113.572
C2 C1 C6 119.543 C2 C1 C7 120.154
C2 C3 C4 119.944 C2 C3 H11 120.079
C3 C2 H10 120.827 C3 C4 C5 120.037
C3 C4 H12 120.002 C4 C3 H11 119.977
C4 C5 C6 120.023 C4 C5 H13 119.974
C5 C4 H12 119.961 C5 C6 H14 120.228
C6 C1 C7 120.303 C6 C5 H13 120.003
O8 C7 H9 122.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.022      
2 C -0.051      
3 C -0.060      
4 C -0.052      
5 C -0.060      
6 C -0.055      
7 C 0.121      
8 O -0.200      
9 H 0.049      
10 H 0.075      
11 H 0.064      
12 H 0.065      
13 H 0.063      
14 H 0.062      


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> 270.782
(<r2>)1/2 16.455