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All results from a given calculation for C6H5CHO (benzaldehyde)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-344.680389
Energy at 298.15K 
HF Energy-343.536881
Nuclear repulsion energy321.161255
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 MP2/TZVP
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' 3247 3078 10.26      
2 A' 3241 3072 8.75      
3 A' 3232 3063 7.31      
4 A' 3221 3053 0.67      
5 A' 3209 3042 3.89      
6 A' 2965 2810 109.40      
7 A' 1743 1652 165.62      
8 A' 1651 1565 13.61      
9 A' 1635 1550 9.69      
10 A' 1530 1451 0.48      
11 A' 1494 1416 9.28      
12 A' 1458 1382 3.08      
13 A' 1433 1358 8.71      
14 A' 1344 1274 11.79      
15 A' 1240 1175 57.01      
16 A' 1203 1140 10.95      
17 A' 1196 1133 1.23      
18 A' 1109 1051 3.94      
19 A' 1049 994 1.68      
20 A' 1004 951 0.46      
21 A' 839 795 33.35      
22 A' 661 626 18.43      
23 A' 624 592 0.43      
24 A' 440 417 0.46      
25 A' 221 209 6.97      
26 A" 968 918 0.03      
27 A" 789 747 0.95      
28 A" 732 694 0.14      
29 A" 691 655 28.31      
30 A" 623 591 62.72      
31 A" 610 578 3.43      
32 A" 186 176 6.99      
33 A" 85 81 5.16      
34 A" 264i 251i 0.02      
35 A" 373i 354i 0.28      
36 A" 1873i 1775i 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 21579.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 20455.2 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 MP2/TZVP
ABC
0.17534 0.05219 0.04022

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.569 0.000
C2 -1.043 -0.362 0.000
C3 -0.750 -1.719 0.000
C4 0.579 -2.152 0.000
C5 1.617 -1.223 0.000
C6 1.328 0.138 0.000
C7 -0.287 2.021 0.000
O8 -1.404 2.507 0.000
H9 0.609 2.670 0.000
H10 -2.066 -0.005 0.000
H11 -1.552 -2.447 0.000
H12 0.801 -3.212 0.000
H13 2.646 -1.561 0.000
H14 2.130 0.870 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.39832.40792.78162.41401.39641.48042.39342.18832.14453.39163.86473.39682.1509
C21.39831.38892.41552.79662.42412.50032.89153.45371.08322.14603.39503.87953.4040
C32.40791.38891.39682.41822.78753.76914.27684.59552.16151.08302.15253.39943.8725
C42.78162.41551.39681.39322.41014.26185.06324.82263.40632.15081.08322.15033.3969
C52.41402.79662.41821.39321.39223.76194.80044.02223.87963.39712.14931.08292.1553
C61.39642.42412.78752.41011.39222.48063.61622.63213.39773.87053.39162.15061.0850
C71.48042.50033.76914.26183.76192.48061.21831.10692.69674.64365.34504.62972.6767
O82.39342.89154.27685.06324.80043.61621.21832.02022.59804.95616.12955.74053.8945
H92.18833.45374.59554.82264.02222.63211.10692.02023.78405.55515.88564.69632.3565
H102.14451.08322.16153.40633.87963.39772.69672.59803.78402.49524.30194.96254.2863
H113.39162.14601.08302.15083.39713.87054.64364.95615.55512.49522.47474.29054.9555
H123.86473.39502.15251.08322.14933.39165.34506.12955.88564.30192.47472.47544.2926
H133.39683.87953.39942.15031.08292.15064.62975.74054.69634.96254.29052.47542.4854
H142.15093.40403.87253.39692.15531.08502.67673.89452.35654.28634.95554.29262.4854

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.517 C1 C2 H10 119.038
C1 C6 C5 119.920 C1 C6 H14 119.655
C1 C7 O8 124.680 C1 C7 H9 114.751
C2 C1 C6 120.319 C2 C1 C7 120.558
C2 C3 C4 120.252 C2 C3 H11 119.981
C3 C2 H10 121.444 C3 C4 C5 120.167
C3 C4 H12 119.915 C4 C3 H11 119.767
C4 C5 C6 119.824 C4 C5 H13 120.032
C5 C4 H12 119.918 C5 C6 H14 120.425
C6 C1 C7 119.123 C6 C5 H13 120.144
O8 C7 H9 120.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability