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All results from a given calculation for C6H5CHO (benzaldehyde)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G
 hartrees
Energy at 0K-342.255012
Energy at 298.15K 
HF Energy-341.504331
Nuclear repulsion energy318.345333
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/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' 3221 3075 11.80      
2 A' 3210 3065 11.43      
3 A' 3200 3056 4.77      
4 A' 3191 3047 0.32      
5 A' 3171 3028 4.90      
6 A' 2949 2816 129.12      
7 A' 1628 1554 33.09      
8 A' 1609 1536 9.23      
9 A' 1583 1512 26.15      
10 A' 1535 1465 0.69      
11 A' 1501 1433 12.75      
12 A' 1447 1381 0.97      
13 A' 1379 1317 12.06      
14 A' 1332 1272 3.65      
15 A' 1242 1186 3.20      
16 A' 1239 1183 2.10      
17 A' 1221 1166 57.74      
18 A' 1107 1057 2.92      
19 A' 1053 1006 6.50      
20 A' 1019 973 0.63      
21 A' 835 797 29.87      
22 A' 673 643 17.30      
23 A' 654 625 1.09      
24 A' 443 423 0.12      
25 A' 219 209 7.67      
26 A" 1042 995 0.94      
27 A" 944 901 0.30      
28 A" 934 892 0.08      
29 A" 898 857 1.34      
30 A" 851 813 0.19      
31 A" 738 704 88.93      
32 A" 670 640 2.56      
33 A" 465 444 9.46      
34 A" 419 400 0.03      
35 A" 245 234 8.14      
36 A" 130 124 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 23998.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 22913.9 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/3-21G
ABC
0.17175 0.05149 0.03961

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.582 0.000
C2 -1.016 -0.392 0.000
C3 -0.679 -1.752 0.000
C4 0.676 -2.140 0.000
C5 1.691 -1.165 0.000
C6 1.353 0.199 0.000
C7 -0.387 2.022 0.000
O8 -1.573 2.429 0.000
H9 0.469 2.723 0.000
H10 -2.051 -0.058 0.000
H11 -1.460 -2.508 0.000
H12 0.939 -3.195 0.000
H13 2.734 -1.468 0.000
H14 2.133 0.960 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 H9 H10 H11 H12 H13 H14
C11.40772.43082.80492.43121.40571.49132.42592.19152.14843.41743.89163.41732.1658
C21.40771.40082.43292.81502.44142.49492.87573.45091.08752.16163.41693.90163.4267
C32.43081.40081.41002.44162.81693.78534.27534.61972.17971.08662.16783.42553.9064
C42.80492.43291.41001.40712.43514.29605.09264.86743.43112.16761.08682.16533.4250
C52.43122.81502.44161.40711.40553.80494.85464.07553.90203.42492.16451.08672.1704
C61.40572.44142.81692.43511.40552.52013.67832.67413.41313.90363.41902.16511.0895
C71.49132.49493.78534.29603.80492.52011.25311.10632.66344.65525.38284.68242.7348
O82.42592.87574.27535.09264.85463.67831.25312.06242.53254.93816.15905.80823.9859
H92.19153.45094.61974.86744.07552.67411.10632.06243.75245.57495.93624.76382.4242
H102.14841.08752.17973.43113.90203.41312.66342.53253.75242.52024.33334.98864.3055
H113.41742.16161.08662.16763.42493.90364.65524.93815.57492.52022.49514.32144.9931
H123.89163.41692.16781.08682.16453.41905.38286.15905.93624.33332.49512.49154.3227
H133.41733.90163.42552.16531.08672.16514.68245.80824.76384.98864.32142.49152.5010
H142.16583.42673.90643.42502.17041.08952.73483.98592.42424.30554.99314.32272.5010

picture of benzaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.882 C1 C2 H10 118.297
C1 C6 C5 119.728 C1 C6 H14 119.912
C1 C7 O8 124.006 C1 C7 H9 114.241
C2 C1 C6 120.398 C2 C1 C7 118.737
C2 C3 C4 119.895 C2 C3 H11 120.162
C3 C2 H10 121.821 C3 C4 C5 120.155
C3 C4 H12 119.958 C4 C3 H11 119.943
C4 C5 C6 119.942 C4 C5 H13 119.969
C5 C4 H12 119.887 C5 C6 H14 120.360
C6 C1 C7 120.865 C6 C5 H13 120.089
O8 C7 H9 121.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability