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: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-343.241362
Energy at 298.15K 
HF Energy-343.241362
Nuclear repulsion energy318.672076
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 PBEPBE/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' 3150 3121 13.31 252.24 0.10 0.19
2 A' 3140 3112 10.95 22.67 0.71 0.83
3 A' 3131 3103 3.72 81.47 0.70 0.82
4 A' 3122 3093 0.60 59.53 0.73 0.85
5 A' 3106 3078 3.56 46.13 0.43 0.60
6 A' 2806 2781 148.36 118.57 0.31 0.47
7 A' 1657 1641 105.38 42.94 0.32 0.48
8 A' 1584 1570 25.66 76.23 0.52 0.69
9 A' 1567 1553 24.01 22.50 0.49 0.66
10 A' 1490 1476 0.10 1.08 0.26 0.41
11 A' 1463 1449 18.22 2.14 0.27 0.43
12 A' 1392 1379 1.26 4.73 0.59 0.74
13 A' 1336 1324 6.71 0.84 0.75 0.86
14 A' 1323 1311 9.91 1.37 0.73 0.84
15 A' 1213 1202 39.57 12.50 0.36 0.52
16 A' 1197 1186 1.68 5.78 0.68 0.81
17 A' 1179 1168 46.96 12.47 0.24 0.39
18 A' 1084 1074 7.62 0.49 0.50 0.67
19 A' 1027 1018 4.80 0.45 0.19 0.32
20 A' 1008 999 0.18 33.58 0.12 0.21
21 A' 827 820 26.97 12.28 0.15 0.26
22 A' 657 651 18.34 3.07 0.43 0.60
23 A' 633 627 0.52 5.13 0.75 0.86
24 A' 436 432 0.05 7.02 0.35 0.52
25 A' 212 210 7.56 0.49 0.60 0.75
26 A" 1036 1026 1.82 6.89 0.75 0.86
27 A" 998 989 0.00 0.13 0.75 0.86
28 A" 975 966 0.16 0.01 0.75 0.86
29 A" 920 912 1.70 1.18 0.75 0.86
30 A" 847 839 0.14 5.98 0.75 0.86
31 A" 753 746 32.15 2.22 0.75 0.86
32 A" 705 698 58.26 0.61 0.75 0.86
33 A" 463 458 9.63 0.69 0.75 0.86
34 A" 413 409 0.02 0.04 0.75 0.86
35 A" 253 250 7.35 1.12 0.75 0.86
36 A" 138 136 1.07 2.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23618.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 23403.8 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 PBEPBE/3-21G
ABC
0.17150 0.05176 0.03976

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.584 0.000
C2 -1.018 -0.391 0.000
C3 -0.685 -1.748 0.000
C4 0.670 -2.135 0.000
C5 1.688 -1.164 0.000
C6 1.354 0.198 0.000
C7 -0.386 2.014 0.000
O8 -1.563 2.425 0.000
H9 0.494 2.707 0.000
H10 -2.054 -0.040 0.000
H11 -1.469 -2.509 0.000
H12 0.933 -3.196 0.000
H13 2.737 -1.474 0.000
H14 2.134 0.966 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.40952.43062.80022.43041.40771.48162.41562.17972.14713.42443.89343.42362.1682
C21.40951.39802.42782.81532.44392.48642.86823.44701.09362.16623.41743.90803.4322
C32.43061.39801.40932.44442.81833.77424.26504.60852.18921.09282.17113.43263.9135
C42.80022.42781.40931.40682.43064.28155.07794.84493.43682.17191.09322.16973.4291
C52.43042.81532.44441.40681.40243.79584.84354.05113.90803.43232.16781.09272.1763
C61.40772.44392.81832.43061.40242.51563.67042.65233.41633.91103.41972.16911.0953
C71.48162.48643.77424.28153.79582.51561.24661.12052.64614.65135.37474.68162.7301
O82.41562.86824.26505.07794.84353.67041.24662.07672.51394.93566.15085.80433.9752
H92.17973.44704.60854.84494.05112.65231.12052.07673.74725.57355.91924.74372.3918
H102.14711.09362.18923.43683.90803.41632.64612.51393.74722.53764.34555.00084.3078
H113.42442.16621.09282.17193.43233.91104.65134.93565.57352.53762.49834.33155.0063
H123.89343.41742.17111.09322.16783.41975.37476.15085.91924.34552.49832.49424.3320
H133.42363.90803.43262.16971.09272.16914.68165.80434.74375.00084.33152.49422.5126
H142.16823.43223.91353.42912.17631.09532.73013.97522.39184.30785.00634.33202.5126

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.939 C1 C2 H10 117.576
C1 C6 C5 119.738 C1 C6 H14 119.531
C1 C7 O8 124.383 C1 C7 H9 113.062
C2 C1 C6 120.340 C2 C1 C7 118.612
C2 C3 C4 119.720 C2 C3 H11 120.350
C3 C2 H10 122.485 C3 C4 C5 120.447
C3 C4 H12 119.825 C4 C3 H11 119.930
C4 C5 C6 119.816 C4 C5 H13 119.933
C5 C4 H12 119.728 C5 C6 H14 120.731
C6 C1 C7 121.048 C6 C5 H13 120.251
O8 C7 H9 122.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.099      
2 C -0.167      
3 C -0.196      
4 C -0.186      
5 C -0.192      
6 C -0.198      
7 C 0.227      
8 O -0.403      
9 H 0.162      
10 H 0.223      
11 H 0.208      
12 H 0.209      
13 H 0.207      
14 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.124 -2.194 0.000 3.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.813 5.391 0.000
y 5.391 -44.919 0.000
z 0.000 0.000 -49.596
Traceless
 xyz
x 3.445 5.391 0.000
y 5.391 1.786 0.000
z 0.000 0.000 -5.230
Polar
3z2-r2-10.461
x2-y21.106
xy5.391
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.211 -1.217 0.000
y -1.217 14.520 0.000
z 0.000 0.000 2.936


<r2> (average value of r2) Å2
<r2> 263.977
(<r2>)1/2 16.247