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: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-345.462703
Energy at 298.15K 
HF Energy-345.462703
Nuclear repulsion energy321.675841
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 B3PW91/6-31G(2df,p)
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' 3214 3090 7.76 202.08 0.12 0.21
2 A' 3207 3083 11.84 94.83 0.14 0.24
3 A' 3197 3074 11.88 79.85 0.75 0.86
4 A' 3185 3062 1.16 79.54 0.71 0.83
5 A' 3174 3051 4.18 44.20 0.42 0.59
6 A' 2884 2773 125.62 117.21 0.30 0.46
7 A' 1813 1743 231.03 79.32 0.33 0.50
8 A' 1652 1588 25.79 73.02 0.52 0.68
9 A' 1636 1573 10.44 8.57 0.52 0.69
10 A' 1521 1462 0.58 1.21 0.28 0.44
11 A' 1485 1428 12.89 1.14 0.23 0.37
12 A' 1424 1369 10.09 3.63 0.70 0.82
13 A' 1373 1320 5.54 0.98 0.72 0.84
14 A' 1327 1276 15.91 1.59 0.45 0.62
15 A' 1232 1184 56.86 22.95 0.25 0.41
16 A' 1184 1138 16.84 6.71 0.18 0.30
17 A' 1180 1135 4.41 8.69 0.64 0.78
18 A' 1101 1058 5.18 0.88 0.20 0.33
19 A' 1047 1007 1.68 12.94 0.09 0.16
20 A' 1013 974 0.23 21.41 0.08 0.15
21 A' 841 808 30.89 9.99 0.13 0.23
22 A' 659 633 21.49 2.80 0.35 0.52
23 A' 621 597 0.58 4.87 0.75 0.86
24 A' 439 422 0.23 5.48 0.32 0.49
25 A' 214 205 7.64 0.47 0.50 0.66
26 A" 1045 1005 0.25 5.06 0.75 0.86
27 A" 1009 970 0.03 0.10 0.75 0.86
28 A" 982 944 0.13 0.02 0.75 0.86
29 A" 944 907 1.29 0.64 0.75 0.86
30 A" 874 841 0.03 3.42 0.75 0.86
31 A" 771 741 38.23 1.05 0.75 0.86
32 A" 710 682 20.12 0.12 0.75 0.86
33 A" 466 448 4.00 0.36 0.75 0.86
34 A" 415 399 0.11 0.01 0.75 0.86
35 A" 239 229 5.93 0.87 0.75 0.86
36 A" 123 118 3.85 2.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 24098.7 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 23168.5 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 B3PW91/6-31G(2df,p)
ABC
0.17565 0.05240 0.04036

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -1.037 -0.366 0.000
C3 -0.742 -1.720 0.000
C4 0.587 -2.144 0.000
C5 1.623 -1.214 0.000
C6 1.328 0.144 0.000
C7 -0.304 2.018 0.000
O8 -1.416 2.489 0.000
H9 0.596 2.675 0.000
H10 -2.060 -0.004 0.000
H11 -1.544 -2.452 0.000
H12 0.815 -3.206 0.000
H13 2.656 -1.549 0.000
H14 2.127 0.881 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.39822.40952.77902.41391.39561.47722.38272.18592.13923.39553.86503.39902.1496
C21.39821.38592.40812.79202.41902.49402.87963.45181.08532.14693.39033.87743.4008
C32.40951.38591.39532.41872.78533.76364.26244.59452.16361.08572.15223.40213.8728
C42.77902.40811.39531.39182.40434.25625.04724.81923.40392.15331.08602.15223.3944
C52.41392.79202.41871.39181.38953.76304.79044.02293.87693.40032.14921.08552.1551
C61.39562.41902.78532.40431.38952.48523.60962.63543.39133.87103.38842.15121.0875
C71.47722.49403.76364.25623.76302.48521.20771.11442.67854.63885.34224.63492.6837
O82.38272.87964.26245.04724.79043.60961.20772.02082.57484.94236.11595.73433.8908
H92.18593.45184.59454.81924.02292.63541.11442.02083.77305.55605.88514.69972.3587
H102.13921.08532.16363.40393.87693.39132.67852.57483.77302.50154.30304.96244.2799
H113.39552.14691.08572.15333.40033.87104.63884.94235.55602.50152.47644.29564.9585
H123.86503.39032.15221.08602.14923.38845.34226.11595.88514.30302.47642.47644.2923
H133.39903.87743.40212.15221.08552.15124.63495.73434.69974.96244.29562.47642.4870
H142.14963.40083.87283.39442.15511.08752.68373.89082.35874.27994.95854.29232.4870

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.866 C1 C2 H10 118.397
C1 C6 C5 120.158 C1 C6 H14 119.405
C1 C7 O8 124.802 C1 C7 H9 114.282
C2 C1 C6 119.963 C2 C1 C7 120.280
C2 C3 C4 119.961 C2 C3 H11 120.113
C3 C2 H10 121.736 C3 C4 C5 120.412
C3 C4 H12 119.787 C4 C3 H11 119.927
C4 C5 C6 119.640 C4 C5 H13 120.128
C5 C4 H12 119.802 C5 C6 H14 120.438
C6 C1 C7 119.757 C6 C5 H13 120.231
O8 C7 H9 120.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.188      
2 C -0.196      
3 C -0.125      
4 C -0.133      
5 C -0.125      
6 C -0.217      
7 C 0.102      
8 O -0.285      
9 H 0.091      
10 H 0.157      
11 H 0.137      
12 H 0.137      
13 H 0.135      
14 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.155 -2.384 0.000 3.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.455 5.746 0.000
y 5.746 -45.692 0.000
z 0.000 0.000 -47.528
Traceless
 xyz
x 3.155 5.746 0.000
y 5.746 -0.200 0.000
z 0.000 0.000 -2.955
Polar
3z2-r2-5.910
x2-y22.237
xy5.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.705 -1.083 0.000
y -1.083 15.251 0.000
z 0.000 0.000 4.793


<r2> (average value of r2) Å2
<r2> 260.158
(<r2>)1/2 16.129