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: MP2=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-345.044712
Energy at 298.15K 
HF Energy-343.542530
Nuclear repulsion energy322.116290
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=FULL/6-311+G(3df,2p)
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' 3242 3056 8.25 292.01 0.09 0.16
2 A' 3235 3050 5.64 18.78 0.57 0.73
3 A' 3225 3041 4.36 79.41 0.71 0.83
4 A' 3212 3028 0.97 81.28 0.65 0.79
5 A' 3199 3015 1.99 31.90 0.34 0.51
6 A' 2962 2792 94.11 131.65 0.26 0.42
7 A' 1754 1654 195.70 123.76 0.33 0.50
8 A' 1649 1554 15.29 63.75 0.57 0.72
9 A' 1630 1536 7.00 10.27 0.59 0.74
10 A' 1520 1433 0.97 1.62 0.41 0.58
11 A' 1483 1398 2.91 1.60 0.63 0.78
12 A' 1482 1397 9.70 2.26 0.19 0.32
13 A' 1420 1339 7.58 1.78 0.23 0.37
14 A' 1333 1256 12.96 1.33 0.32 0.49
15 A' 1230 1159 58.33 35.19 0.18 0.30
16 A' 1189 1121 12.30 7.94 0.14 0.25
17 A' 1183 1115 1.55 5.11 0.67 0.80
18 A' 1101 1038 4.65 1.08 0.08 0.15
19 A' 1044 984 1.24 29.62 0.04 0.08
20 A' 922 869 7.01 26.09 0.04 0.07
21 A' 781 736 27.94 2.90 0.25 0.40
22 A' 642 606 13.65 3.56 0.22 0.35
23 A' 597 562 0.51 4.23 0.75 0.85
24 A' 436 411 0.39 4.92 0.20 0.34
25 A' 217 205 7.71 0.66 0.44 0.61
26 A" 1027 969 1.54 1.26 0.75 0.86
27 A" 998 940 0.03 0.01 0.75 0.86
28 A" 989 932 0.00 0.04 0.75 0.86
29 A" 932 879 1.32 0.67 0.75 0.86
30 A" 867 817 0.01 0.73 0.75 0.86
31 A" 751 708 71.67 0.50 0.75 0.86
32 A" 635 599 4.70 0.01 0.75 0.86
33 A" 453 427 6.96 0.13 0.75 0.86
34 A" 406 383 0.09 0.01 0.75 0.86
35 A" 230 217 7.47 0.83 0.75 0.86
36 A" 111 104 4.81 1.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 24043.0 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 22665.4 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 MP2=FULL/6-311+G(3df,2p)
ABC
0.17617 0.05256 0.04048

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.568 0.000
C2 -1.041 -0.359 0.000
C3 -0.750 -1.714 0.000
C4 0.575 -2.145 0.000
C5 1.613 -1.221 0.000
C6 1.325 0.138 0.000
C7 -0.285 2.015 0.000
O8 -1.397 2.497 0.000
H9 0.610 2.664 0.000
H10 -2.060 0.002 0.000
H11 -1.552 -2.439 0.000
H12 0.797 -3.203 0.000
H13 2.640 -1.559 0.000
H14 2.123 0.870 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.39432.40242.77402.40901.39291.47392.38152.18212.13693.38413.85513.39012.1443
C21.39431.38572.40892.79062.41742.49132.87803.44421.08142.14163.38653.87143.3944
C32.40241.38571.39352.41402.78083.75744.26024.58382.15901.08102.14743.39333.8638
C42.77402.40891.39351.39012.40304.24785.04384.80893.39952.14711.08122.14643.3892
C52.40902.79062.41401.39011.38883.75084.78374.01173.87173.39132.14421.08092.1518
C61.39292.41742.78082.40301.38882.47233.60212.62493.38793.86183.38272.14651.0831
C71.47392.49133.75744.24783.75082.47231.21291.10532.68424.63035.32904.61742.6659
O82.38152.87804.26025.04384.78373.60211.21292.01452.58154.93816.10805.72253.8783
H92.18213.44424.58384.80894.01172.62491.10532.01453.77045.54155.87004.68472.3466
H102.13691.08142.15903.39953.87173.38792.68422.58153.77042.49324.29404.95254.2725
H113.38412.14161.08102.14713.39133.86184.63034.93815.54152.49322.46994.28304.9449
H123.85513.38652.14741.08122.14423.38275.32906.10805.87004.29402.46992.47024.2837
H133.39013.87143.39332.14641.08092.14654.61745.72254.68474.95254.28302.47022.4828
H142.14433.39443.86383.38922.15181.08312.66593.87832.34664.27254.94494.28372.4828

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.569 C1 C2 H10 118.805
C1 C6 C5 119.997 C1 C6 H14 119.472
C1 C7 O8 124.561 C1 C7 H9 114.819
C2 C1 C6 120.293 C2 C1 C7 120.563
C2 C3 C4 120.163 C2 C3 H11 119.991
C3 C2 H10 121.627 C3 C4 C5 120.275
C3 C4 H12 119.868 C4 C3 H11 119.846
C4 C5 C6 119.704 C4 C5 H13 120.089
C5 C4 H12 119.857 C5 C6 H14 120.532
C6 C1 C7 119.143 C6 C5 H13 120.208
O8 C7 H9 120.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability