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All results from a given calculation for C6H5CHO (benzaldehyde)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-341.511421
Energy at 298.15K 
HF Energy-341.511421
Nuclear repulsion energy323.638675
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 HF/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' 3394 3063 7.03 166.03 0.11 0.21
2 A' 3383 3054 11.01 77.70 0.13 0.22
3 A' 3372 3044 13.72 67.77 0.75 0.86
4 A' 3358 3031 1.86 71.39 0.73 0.84
5 A' 3345 3019 5.68 48.05 0.48 0.65
6 A' 3171 2862 104.11 96.50 0.30 0.47
7 A' 1907 1721 184.58 62.73 0.32 0.48
8 A' 1777 1604 17.71 68.91 0.56 0.72
9 A' 1754 1583 12.20 11.01 0.63 0.77
10 A' 1668 1505 3.01 0.45 0.42 0.59
11 A' 1628 1469 15.33 0.81 0.21 0.35
12 A' 1558 1407 6.56 3.81 0.72 0.84
13 A' 1489 1344 18.53 2.69 0.69 0.81
14 A' 1366 1233 5.32 0.95 0.34 0.51
15 A' 1327 1198 9.07 4.94 0.55 0.71
16 A' 1310 1183 62.18 22.54 0.22 0.36
17 A' 1258 1136 6.10 7.04 0.75 0.86
18 A' 1191 1075 2.09 0.18 0.59 0.74
19 A' 1139 1028 4.37 1.43 0.13 0.23
20 A' 1105 998 0.34 34.32 0.12 0.22
21 A' 900 813 38.04 10.82 0.20 0.33
22 A' 726 655 33.30 2.63 0.43 0.60
23 A' 709 640 1.89 4.75 0.75 0.85
24 A' 482 435 0.03 4.53 0.31 0.47
25 A' 242 219 10.69 0.90 0.58 0.73
26 A" 1208 1090 0.22 5.80 0.75 0.86
27 A" 1180 1065 0.55 6.19 0.75 0.86
28 A" 1171 1057 0.11 0.19 0.75 0.86
29 A" 1093 987 2.32 0.23 0.75 0.86
30 A" 1000 902 0.08 4.15 0.75 0.86
31 A" 875 790 57.44 1.66 0.75 0.86
32 A" 805 726 56.20 0.38 0.75 0.86
33 A" 535 483 13.84 0.30 0.75 0.86
34 A" 475 429 0.03 0.05 0.75 0.86
35 A" 272 246 13.47 2.33 0.75 0.86
36 A" 146 132 5.62 2.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 26159.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 23612.0 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 HF/3-21G*
ABC
0.17765 0.05308 0.04087

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 -1.009 -0.379 0.000
C3 -0.692 -1.722 0.000
C4 0.639 -2.115 0.000
C5 1.648 -1.168 0.000
C6 1.327 0.178 0.000
C7 -0.360 2.002 0.000
O8 -1.497 2.418 0.000
H9 0.489 2.680 0.000
H10 -2.028 -0.046 0.000
H11 -1.469 -2.459 0.000
H12 0.887 -3.158 0.000
H13 2.675 -1.476 0.000
H14 2.105 0.918 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.38662.39502.76112.39611.38401.47512.37732.16492.11963.36763.83313.36822.1331
C21.38661.37952.39362.77242.40182.46822.83933.40671.07132.12993.36403.84383.3736
C32.39501.37951.38732.40482.77173.73834.21724.55742.14291.07152.13403.37523.8454
C42.76112.39361.38731.38452.39374.23625.01084.79743.37482.13561.07202.13383.3686
C52.39612.77242.40481.38451.38333.75224.76994.01873.84343.37442.13091.07142.1350
C61.38402.40182.77172.39371.38332.48443.60472.63903.36203.84313.36452.13331.0738
C71.47512.46823.73834.23623.75222.48441.21121.08662.64134.59675.30814.61542.6922
O82.37732.83934.21725.01084.76993.60471.21122.00352.52054.87696.06405.70663.9017
H92.16493.40674.55744.79744.01872.63901.08662.00353.71045.49965.85164.69572.3907
H102.11961.07132.14293.37483.84343.36202.64132.52053.71042.47664.26334.91484.2433
H113.36762.12991.07152.13563.37443.84314.59674.87695.49962.47662.45724.25874.9169
H123.83313.36402.13401.07202.13093.36455.30816.06405.85164.26332.45722.45474.2539
H133.36823.84383.37522.13381.07142.13334.61545.70664.69574.91484.25872.45472.4608
H142.13313.37363.84543.36862.13501.07382.69223.90172.39074.24334.91694.25392.4608

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.957 C1 C2 H10 118.610
C1 C6 C5 119.963 C1 C6 H14 119.893
C1 C7 O8 124.203 C1 C7 H9 114.513
C2 C1 C6 120.202 C2 C1 C7 119.162
C2 C3 C4 119.789 C2 C3 H11 120.166
C3 C2 H10 121.433 C3 C4 C5 120.361
C3 C4 H12 119.846 C4 C3 H11 120.044
C4 C5 C6 119.728 C4 C5 H13 120.111
C5 C4 H12 119.793 C5 C6 H14 120.144
C6 C1 C7 120.636 C6 C5 H13 120.160
O8 C7 H9 121.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.262      
2 C -0.179      
3 C -0.241      
4 C -0.222      
5 C -0.239      
6 C -0.213      
7 C 0.426      
8 O -0.550      
9 H 0.200      
10 H 0.282      
11 H 0.250      
12 H 0.251      
13 H 0.249      
14 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.607 -2.181 0.000 3.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.289 7.087 0.000
y 7.087 -46.070 0.000
z 0.000 0.000 -50.512
Traceless
 xyz
x 3.002 7.087 0.000
y 7.087 1.830 0.000
z 0.000 0.000 -4.832
Polar
3z2-r2-9.664
x2-y20.781
xy7.087
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.359 -0.974 0.000
y -0.974 12.536 0.000
z 0.000 0.000 2.671


<r2> (average value of r2) Å2
<r2> 258.278
(<r2>)1/2 16.071