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: HF/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 HF/6-31G
 hartrees
Energy at 0K-343.298071
Energy at 298.15K 
HF Energy-343.298071
Nuclear repulsion energy322.641471
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/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' 3401 3071 8.97 170.46 0.12 0.21
2 A' 3390 3061 19.21 103.16 0.12 0.21
3 A' 3377 3050 21.52 70.30 0.75 0.86
4 A' 3363 3036 3.36 82.68 0.72 0.84
5 A' 3351 3025 7.42 47.06 0.49 0.66
6 A' 3208 2897 86.86 101.66 0.30 0.46
7 A' 1892 1709 265.32 92.13 0.32 0.48
8 A' 1809 1634 22.68 88.41 0.54 0.70
9 A' 1781 1608 21.30 13.41 0.56 0.72
10 A' 1677 1514 2.21 0.47 0.26 0.42
11 A' 1631 1473 17.58 1.74 0.27 0.43
12 A' 1558 1407 10.40 3.46 0.63 0.77
13 A' 1492 1347 16.95 2.84 0.65 0.79
14 A' 1392 1257 13.81 2.72 0.25 0.41
15 A' 1343 1213 44.93 21.13 0.29 0.45
16 A' 1318 1190 20.60 10.83 0.19 0.31
17 A' 1288 1163 4.25 9.08 0.75 0.86
18 A' 1202 1086 2.40 0.37 0.35 0.52
19 A' 1141 1031 2.24 0.44 0.20 0.34
20 A' 1113 1005 0.79 37.99 0.12 0.22
21 A' 909 821 34.14 11.83 0.19 0.31
22 A' 719 649 38.33 2.89 0.38 0.55
23 A' 700 632 0.87 5.56 0.75 0.86
24 A' 486 439 0.12 4.94 0.32 0.49
25 A' 244 220 11.82 1.35 0.58 0.73
26 A" 1198 1081 0.20 2.85 0.75 0.86
27 A" 1163 1050 0.37 0.14 0.75 0.86
28 A" 1157 1045 1.52 8.42 0.75 0.86
29 A" 1085 980 1.80 0.37 0.75 0.86
30 A" 995 899 0.05 2.85 0.75 0.86
31 A" 869 785 69.61 1.00 0.75 0.86
32 A" 792 715 41.57 0.30 0.75 0.86
33 A" 528 477 10.16 0.21 0.75 0.86
34 A" 470 424 0.22 0.06 0.75 0.86
35 A" 261 235 13.38 2.82 0.75 0.86
36 A" 130 118 10.68 1.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 26217.2 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 23671.5 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 HF/6-31G
ABC
0.17702 0.05262 0.04056

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -1.030 -0.366 0.000
C3 -0.735 -1.718 0.000
C4 0.591 -2.138 0.000
C5 1.621 -1.209 0.000
C6 1.323 0.145 0.000
C7 -0.300 2.012 0.000
O8 -1.424 2.481 0.000
H9 0.559 2.676 0.000
H10 -2.046 -0.023 0.000
H11 -1.527 -2.441 0.000
H12 0.818 -3.187 0.000
H13 2.643 -1.536 0.000
H14 2.118 0.869 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.39342.40442.77402.40821.39041.47142.38142.17692.13063.37733.84703.38022.1384
C21.39341.38352.40222.78242.40872.48812.87403.43221.07212.13303.37293.85483.3818
C32.40441.38351.39092.41012.77593.75524.25474.57982.14311.07252.13803.38213.8505
C42.77402.40221.39091.38752.39824.24545.03954.81413.38102.13931.07312.13823.3728
C52.40822.78242.41011.38751.38653.75074.78384.02703.85433.38042.13501.07242.1365
C61.39042.40872.77592.39821.38652.47423.60562.64313.37353.84833.37052.13691.0747
C71.47142.48813.75524.24543.75072.47421.21721.08572.68124.61885.31844.60972.6745
O82.38142.87404.25475.03954.78383.60561.21721.99242.57974.92266.09535.71553.8907
H92.17693.43224.57984.81414.02702.64311.08571.99243.75085.52525.86854.69852.3857
H102.13061.07212.14313.38103.85433.37352.68122.57973.75082.47324.26844.92684.2581
H113.37732.13301.07252.13933.38043.84834.61884.92265.52522.47322.46104.26644.9230
H123.84703.37292.13801.07312.13503.37055.31846.09535.86854.26842.46102.46074.2593
H133.38023.85483.38212.13821.07242.13694.60975.71554.69854.92684.26642.46072.4615
H142.13843.38183.85053.37282.13651.07472.67453.89072.38574.25814.92304.25932.4615

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.959 C1 C2 H10 119.001
C1 C6 C5 120.273 C1 C6 H14 119.793
C1 C7 O8 124.412 C1 C7 H9 115.885
C2 C1 C6 119.825 C2 C1 C7 120.538
C2 C3 C4 119.959 C2 C3 H11 120.038
C3 C2 H10 121.039 C3 C4 C5 120.328
C3 C4 H12 119.835 C4 C3 H11 120.003
C4 C5 C6 119.656 C4 C5 H13 120.191
C5 C4 H12 119.837 C5 C6 H14 119.935
C6 C1 C7 119.637 C6 C5 H13 120.153
O8 C7 H9 119.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.157      
2 C -0.147      
3 C -0.211      
4 C -0.176      
5 C -0.211      
6 C -0.182      
7 C 0.334      
8 O -0.526      
9 H 0.169      
10 H 0.255      
11 H 0.212      
12 H 0.212      
13 H 0.211      
14 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.914 -2.647 0.000 3.937
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.752 8.197 0.000
y 8.197 -47.765 0.000
z 0.000 0.000 -49.679
Traceless
 xyz
x 2.970 8.197 0.000
y 8.197 -0.050 0.000
z 0.000 0.000 -2.920
Polar
3z2-r2-5.840
x2-y22.013
xy8.197
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.900 -1.145 0.000
y -1.145 13.311 0.000
z 0.000 0.000 3.347


<r2> (average value of r2) Å2
<r2> 260.238
(<r2>)1/2 16.132