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: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-343.536032
Energy at 298.15K 
HF Energy-343.536032
Nuclear repulsion energy318.002123
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 BLYP/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' 3138 3118 15.96 250.24 0.10 0.19
2 A' 3130 3110 13.91 25.10 0.37 0.54
3 A' 3121 3100 10.55 84.61 0.73 0.84
4 A' 3110 3090 0.89 71.11 0.71 0.83
5 A' 3097 3077 4.78 44.66 0.46 0.63
6 A' 2792 2773 157.51 118.43 0.31 0.47
7 A' 1636 1625 101.03 39.13 0.31 0.47
8 A' 1567 1557 24.88 78.98 0.53 0.69
9 A' 1550 1540 24.71 25.15 0.50 0.67
10 A' 1492 1482 0.59 1.46 0.31 0.47
11 A' 1464 1455 15.74 3.40 0.29 0.45
12 A' 1399 1390 1.00 4.55 0.52 0.69
13 A' 1337 1328 14.32 2.08 0.75 0.85
14 A' 1295 1287 3.71 0.22 0.58 0.73
15 A' 1205 1197 12.19 6.90 0.55 0.71
16 A' 1200 1193 2.19 6.44 0.68 0.81
17 A' 1175 1167 71.71 17.95 0.22 0.35
18 A' 1081 1074 5.55 0.47 0.61 0.76
19 A' 1025 1018 5.83 0.22 0.21 0.35
20 A' 1001 995 0.35 34.96 0.12 0.21
21 A' 819 814 27.51 12.92 0.15 0.26
22 A' 657 653 18.87 2.76 0.42 0.60
23 A' 637 633 0.28 5.44 0.75 0.86
24 A' 434 431 0.07 7.10 0.34 0.51
25 A' 215 213 7.19 0.49 0.61 0.76
26 A" 1034 1027 1.20 7.24 0.75 0.86
27 A" 998 991 0.00 0.15 0.75 0.86
28 A" 975 969 0.14 0.01 0.75 0.86
29 A" 921 915 1.62 1.37 0.75 0.86
30 A" 847 842 0.11 6.83 0.75 0.86
31 A" 754 749 28.93 2.50 0.75 0.86
32 A" 706 702 46.71 0.68 0.75 0.86
33 A" 466 463 7.57 0.69 0.75 0.86
34 A" 417 414 0.00 0.04 0.75 0.86
35 A" 253 251 6.50 1.15 0.75 0.86
36 A" 138 137 1.28 2.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23541.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 23388.4 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 BLYP/3-21G*
ABC
0.17110 0.05141 0.03953

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.585 0.000
C2 -1.021 -0.392 0.000
C3 -0.688 -1.753 0.000
C4 0.669 -2.143 0.000
C5 1.689 -1.171 0.000
C6 1.356 0.194 0.000
C7 -0.385 2.022 0.000
O8 -1.562 2.439 0.000
H9 0.496 2.712 0.000
H10 -2.055 -0.046 0.000
H11 -1.473 -2.511 0.000
H12 0.929 -3.202 0.000
H13 2.736 -1.480 0.000
H14 2.138 0.958 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.41312.43702.80862.43681.41111.48752.42372.18372.15003.42853.89993.42782.1699
C21.41311.40042.43272.81972.44752.49652.88223.45471.09122.16653.42053.91073.4346
C32.43701.40041.41192.44782.82243.78684.28144.61882.18691.09102.17233.43473.9155
C42.80862.43271.41191.40932.43544.29595.09554.85763.43772.17261.09132.17053.4307
C52.43682.81972.44781.40931.40493.80764.85794.06203.91023.43422.16901.09102.1753
C61.41112.44752.82242.43541.40492.52423.68112.66073.41953.91343.42292.16951.0931
C71.48752.49653.78684.29593.80762.52421.24841.11882.65834.66185.38724.69072.7378
O82.42372.88224.28145.09554.85793.68111.24842.07562.53314.95076.16675.81593.9847
H92.18373.45474.61884.85764.06202.66071.11882.07563.75685.58155.93014.75282.4025
H102.15001.09122.18693.43773.91023.41952.65832.53313.75682.53334.34445.00124.3114
H113.42852.16651.09102.17263.43423.91344.66184.95075.58152.53332.49944.33255.0065
H123.89993.42052.17231.09132.16903.42295.38726.16675.93014.34442.49942.49574.3320
H133.42783.91073.43472.17051.09102.16954.69075.81594.75285.00124.33252.49572.5102
H142.16993.43463.91553.43072.17531.09312.73783.98472.40254.31145.00654.33202.5102

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.031 C1 C2 H10 117.730
C1 C6 C5 119.844 C1 C6 H14 119.567
C1 C7 O8 124.493 C1 C7 H9 113.075
C2 C1 C6 120.139 C2 C1 C7 118.769
C2 C3 C4 119.766 C2 C3 H11 120.315
C3 C2 H10 122.239 C3 C4 C5 120.371
C3 C4 H12 119.859 C4 C3 H11 119.919
C4 C5 C6 119.849 C4 C5 H13 119.938
C5 C4 H12 119.770 C5 C6 H14 120.588
C6 C1 C7 121.093 C6 C5 H13 120.213
O8 C7 H9 122.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.062      
2 C -0.146      
3 C -0.160      
4 C -0.152      
5 C -0.157      
6 C -0.175      
7 C 0.232      
8 O -0.400      
9 H 0.137      
10 H 0.190      
11 H 0.174      
12 H 0.175      
13 H 0.173      
14 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.089 -2.184 0.000 3.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.320 5.338 0.000
y 5.338 -45.502 0.000
z 0.000 0.000 -49.219
Traceless
 xyz
x 3.040 5.338 0.000
y 5.338 1.268 0.000
z 0.000 0.000 -4.308
Polar
3z2-r2-8.616
x2-y21.182
xy5.338
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.250 -1.227 0.000
y -1.227 14.609 0.000
z 0.000 0.000 2.904


<r2> (average value of r2) Å2
<r2> 265.372
(<r2>)1/2 16.290