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All results from a given calculation for C6H5CHO (benzaldehyde)

using model chemistry: ROMP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROMP2/6-31G*
 hartrees
Energy at 0K-344.486360
Energy at 298.15K 
HF Energy-343.429663
Nuclear repulsion energy320.464402
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 ROMP2/6-31G*
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' 3252 3252        
2 A' 3246 3246        
3 A' 3237 3237        
4 A' 3227 3227        
5 A' 3212 3212        
6 A' 2978 2978        
7 A' 1765 1765        
8 A' 1678 1678        
9 A' 1661 1661        
10 A' 1552 1552        
11 A' 1512 1512        
12 A' 1481 1481        
13 A' 1442 1442        
14 A' 1359 1359        
15 A' 1260 1260        
16 A' 1222 1222        
17 A' 1216 1216        
18 A' 1125 1125        
19 A' 1064 1064        
20 A' 1022 1022        
21 A' 850 850        
22 A' 663 663        
23 A' 629 629        
24 A' 444 444        
25 A' 224 224        
26 A" 1010 1010        
27 A" 908 908        
28 A" 900 900        
29 A" 879 879        
30 A" 841 841        
31 A" 732 732        
32 A" 508 508        
33 A" 438 438        
34 A" 397 397        
35 A" 228 228        
36 A" 113 113        

Unscaled Zero Point Vibrational Energy (zpe) 24136.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 24136.4 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 ROMP2/6-31G*
ABC
0.17413 0.05213 0.04012

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.574 0.000
C2 -1.035 -0.371 0.000
C3 -0.727 -1.728 0.000
C4 0.610 -2.146 0.000
C5 1.640 -1.203 0.000
C6 1.336 0.159 0.000
C7 -0.319 2.019 0.000
O8 -1.458 2.475 0.000
H9 0.560 2.698 0.000
H10 -2.063 -0.020 0.000
H11 -1.524 -2.467 0.000
H12 0.846 -3.207 0.000
H13 2.677 -1.530 0.000
H14 2.133 0.902 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.40152.41462.78732.41861.39951.47962.39582.19612.14723.40213.87463.40532.1582
C21.40151.39192.41932.80152.42972.49502.87743.45841.08712.15263.40293.88873.4140
C32.41461.39191.39992.42472.79623.76964.26674.60942.16951.08732.15863.40963.8854
C42.78732.41931.39991.39672.41634.26695.06224.84343.41542.15821.08742.15713.4068
C52.41862.80152.42471.39671.39533.77104.80944.04743.88833.40802.15561.08722.1615
C61.39952.42972.79622.41631.39532.49013.62992.65483.40463.88343.40132.15661.0892
C71.47962.49503.76964.26693.77102.49011.22741.11052.68324.64545.35424.64482.6948
O82.39582.87744.26675.06224.80943.62991.22742.03092.56694.94266.13155.75723.9212
H92.19613.45844.60944.84344.04742.65481.11052.03093.77715.56965.91154.72842.3876
H102.14721.08712.16953.41543.88833.40462.68322.56693.77712.50624.31564.97554.2966
H113.40212.15261.08732.15823.40803.88344.64544.94265.56962.50622.48344.30484.9726
H123.87463.40292.15861.08742.15563.40135.35426.13155.91154.31562.48342.48264.3054
H133.40533.88873.40962.15711.08722.15664.64485.75724.72844.97554.30482.48262.4920
H142.15823.41403.88543.40682.16151.08922.69483.92122.38764.29664.97264.30542.4920

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.629 C1 C2 H10 118.727
C1 C6 C5 119.847 C1 C6 H14 119.746
C1 C7 O8 124.252 C1 C7 H9 115.220
C2 C1 C6 120.322 C2 C1 C7 119.967
C2 C3 C4 120.117 C2 C3 H11 120.013
C3 C2 H10 121.644 C3 C4 C5 120.227
C3 C4 H12 119.894 C4 C3 H11 119.869
C4 C5 C6 119.859 C4 C5 H13 120.036
C5 C4 H12 119.879 C5 C6 H14 120.407
C6 C1 C7 119.711 C6 C5 H13 120.105
O8 C7 H9 120.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 C -0.172      
3 C -0.211      
4 C -0.181      
5 C -0.212      
6 C -0.201      
7 C 0.333      
8 O -0.525      
9 H 0.163      
10 H 0.252      
11 H 0.213      
12 H 0.214      
13 H 0.211      
14 H 0.218      


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> 262.431
(<r2>)1/2 16.200