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All results from a given calculation for C6H5CHO (benzaldehyde)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-342.124875
Energy at 298.15K 
HF Energy-341.510102
Nuclear repulsion energy321.336350
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 CID/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' 3303 3074 8.90      
2 A' 3293 3064 9.00      
3 A' 3282 3054 9.77      
4 A' 3270 3043 0.95      
5 A' 3254 3028 5.11      
6 A' 3061 2848 108.76      
7 A' 1810 1685 118.29      
8 A' 1706 1588 11.22      
9 A' 1685 1568 10.22      
10 A' 1603 1492 1.94      
11 A' 1567 1458 13.39      
12 A' 1502 1397 5.00      
13 A' 1432 1332 14.89      
14 A' 1323 1231 3.78      
15 A' 1285 1196 9.02      
16 A' 1266 1178 55.23      
17 A' 1233 1147 3.04      
18 A' 1153 1073 2.67      
19 A' 1097 1021 4.23      
20 A' 1069 995 0.37      
21 A' 870 809 33.84      
22 A' 699 651 25.29      
23 A' 681 633 1.53      
24 A' 463 431 0.01      
25 A' 231 215 9.13      
26 A" 1101 1025 0.61      
27 A" 1042 970 0.13      
28 A" 1034 962 0.11      
29 A" 982 914 1.81      
30 A" 916 852 0.11      
31 A" 795 739 75.64      
32 A" 735 684 23.18      
33 A" 493 459 11.09      
34 A" 443 412 0.00      
35 A" 255 237 10.59      
36 A" 135 126 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 25034.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 23294.5 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 CID/3-21G*
ABC
0.17511 0.05238 0.04032

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.575 0.000
C2 -1.013 -0.385 0.000
C3 -0.687 -1.735 0.000
C4 0.654 -2.126 0.000
C5 1.666 -1.167 0.000
C6 1.337 0.186 0.000
C7 -0.372 2.012 0.000
O8 -1.527 2.423 0.000
H9 0.482 2.702 0.000
H10 -2.040 -0.051 0.000
H11 -1.467 -2.481 0.000
H12 0.909 -3.176 0.000
H13 2.701 -1.474 0.000
H14 2.118 0.936 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.39542.40972.77942.41071.39261.48472.39722.18042.13363.39023.85963.39052.1483
C21.39541.38842.41042.79052.41832.48162.85463.42931.08012.14493.38843.87033.3978
C32.40971.38841.39712.42012.79053.76034.24164.58762.16001.07992.15023.39823.8729
C42.77942.41041.39711.39372.41124.26405.04504.83083.40072.15091.08022.14853.3942
C52.41072.79052.42011.39371.39313.77694.80484.04623.87023.39732.14661.07992.1518
C61.39262.41832.79052.41121.39312.50133.63412.65673.38523.87043.38962.14881.0824
C71.48472.48163.76034.26403.77692.50131.22581.09732.65294.62515.34424.64762.7124
O82.39722.85464.24165.04504.80483.63411.22582.02832.52624.90446.10585.75023.9364
H92.18043.42934.58764.83084.04622.65671.09732.02833.73285.53715.89314.72872.4067
H102.13361.08012.16003.40073.87023.38522.65292.52623.73282.49694.29654.95004.2730
H113.39022.14491.07992.15093.39733.87044.62514.90445.53712.49692.47534.28854.9528
H123.85963.38842.15021.08022.14663.38965.34426.10585.89314.29652.47532.47214.2864
H133.39053.87033.39822.14851.07992.14884.64765.75024.72874.95004.28852.47212.4799
H142.14833.39783.87293.39422.15181.08242.71243.93642.40674.27304.95284.28642.4799

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.904 C1 C2 H10 118.502
C1 C6 C5 119.856 C1 C6 H14 119.930
C1 C7 O8 124.072 C1 C7 H9 114.390
C2 C1 C6 120.315 C2 C1 C7 118.960
C2 C3 C4 119.844 C2 C3 H11 120.164
C3 C2 H10 121.594 C3 C4 C5 120.264
C3 C4 H12 119.893 C4 C3 H11 119.992
C4 C5 C6 119.816 C4 C5 H13 120.055
C5 C4 H12 119.843 C5 C6 H14 120.213
C6 C1 C7 120.725 C6 C5 H13 120.129
O8 C7 H9 121.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability