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All results from a given calculation for C6H5CN (phenyl cyanide)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-321.359827
Energy at 298.15K-321.364778
Nuclear repulsion energy296.889548
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 MP2/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3225 3068 6.90      
2 A1 3204 3048 3.95      
3 A1 3192 3036 0.38      
4 A1 2139 2035 2.46      
5 A1 1608 1530 0.30      
6 A1 1537 1462 12.82      
7 A1 1251 1190 0.08      
8 A1 1213 1154 0.35      
9 A1 1058 1006 2.87      
10 A1 1019 969 0.07      
11 A1 774 736 1.00      
12 A1 474 450 0.01      
13 A2 929 884 0.00      
14 A2 834 793 0.00      
15 A2 409 389 0.00      
16 B1 937 892 0.16      
17 B1 884 841 1.13      
18 B1 752 715 68.40      
19 B1 681 648 22.90      
20 B1 593 564 19.57      
21 B1 394 375 0.02      
22 B1 149 142 0.73      
23 B2 3214 3057 11.24      
24 B2 3196 3041 0.03      
25 B2 1580 1503 4.69      
26 B2 1493 1420 6.24      
27 B2 1396 1328 0.27      
28 B2 1309 1245 0.83      
29 B2 1244 1183 0.01      
30 B2 1106 1052 2.36      
31 B2 660 628 0.11      
32 B2 593 565 0.00      
33 B2 182 173 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 21613.4 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 20560.8 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 MP2/3-21G*
ABC
0.18666 0.05048 0.03973

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 3.245
C2 0.000 0.000 2.055
C3 0.000 0.000 0.614
C4 0.000 1.223 -0.092
C5 0.000 -1.223 -0.092
C6 0.000 1.217 -1.496
C7 0.000 -1.217 -1.496
C8 0.000 0.000 -2.201
H9 0.000 2.162 0.456
H10 0.000 -2.162 0.456
H11 0.000 2.160 -2.037
H12 0.000 -2.160 -2.037
H13 0.000 0.000 -3.288

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13
N11.19012.63103.55433.55434.89484.89485.44593.52833.52835.70645.70646.5324
C21.19011.44092.47112.47113.75383.75384.25582.68862.68864.62674.62675.3423
C32.63101.44091.41251.41252.43602.43602.81492.16772.16773.41933.41933.9014
C43.55432.47111.41252.44681.40392.81572.43801.08723.42952.15843.90223.4215
C53.55432.47111.41252.44682.81571.40392.43803.42951.08723.90222.15843.4215
C64.89483.75382.43601.40392.81572.43481.40672.16913.90291.08653.42012.1659
C74.89483.75382.43602.81571.40392.43481.40673.90292.16913.42011.08652.1659
C85.44594.25582.81492.43802.43801.40671.40673.42593.42592.16592.16591.0865
H93.52832.68862.16771.08723.42952.16913.90293.42594.32392.49354.98944.3234
H103.52832.68862.16773.42951.08723.90292.16913.42594.32394.98942.49354.3234
H115.70644.62673.41932.15843.90221.08653.42012.16592.49354.98944.31932.4956
H125.70644.62673.41933.90222.15843.42011.08652.16594.98942.49354.31932.4956
H136.53245.34233.90143.42153.42152.16592.16591.08654.32344.32342.49562.4956

picture of phenyl cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 180.000 C2 C3 C4 119.991
C2 C3 C5 119.991 C3 C4 C6 119.746
C3 C4 H9 119.696 C3 C5 C7 119.746
C3 C5 H10 119.696 C4 C3 C5 120.017
C4 C6 C8 120.319 C4 C6 H11 119.612
C5 C7 C8 120.319 C5 C7 H12 119.612
C6 C4 H9 120.558 C6 C8 C7 119.854
C6 C8 H13 120.073 C7 C5 H10 120.558
C7 C8 H13 120.073 C8 C6 H11 120.070
C8 C7 H12 120.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability