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

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-323.606909
Energy at 298.15K-323.611650
Nuclear repulsion energy298.492802
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 QCISD/6-311G*
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 3214 3077 4.97      
2 A1 3201 3065 12.75      
3 A1 3183 3048 0.01      
4 A1 2324 2225 7.20      
5 A1 1676 1604 0.14      
6 A1 1543 1477 13.50      
7 A1 1224 1172 0.23      
8 A1 1214 1163 0.82      
9 A1 1055 1010 3.25      
10 A1 1018 974 0.29      
11 A1 770 738 1.79      
12 A1 463 444 0.00      
13 A2 913 874 0.00      
14 A2 838 802 0.00      
15 A2 395 378 0.00      
16 B1 906 868 0.92      
17 B1 887 849 1.30      
18 B1 742 711 83.73      
19 B1 590 565 18.65      
20 B1 530 508 6.61      
21 B1 376 360 0.48      
22 B1 144 138 1.38      
23 B2 3210 3073 14.36      
24 B2 3193 3057 3.37      
25 B2 1650 1580 1.51      
26 B2 1492 1428 8.44      
27 B2 1360 1302 0.31      
28 B2 1289 1234 3.36      
29 B2 1183 1132 1.18      
30 B2 1110 1063 3.18      
31 B2 638 611 0.14      
32 B2 557 534 0.12      
33 B2 166 159 4.29      

Unscaled Zero Point Vibrational Energy (zpe) 21526.1 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 20609.0 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 QCISD/6-311G*
ABC
0.18778 0.05114 0.04019

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 3.216
C2 0.000 0.000 2.053
C3 0.000 0.000 0.606
C4 0.000 1.219 -0.091
C5 0.000 -1.219 -0.091
C6 0.000 1.214 -1.488
C7 0.000 -1.214 -1.488
C8 0.000 0.000 -2.186
H9 0.000 2.156 0.462
H10 0.000 -2.156 0.462
H11 0.000 2.156 -2.030
H12 0.000 -2.156 -2.030
H13 0.000 0.000 -3.274

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13
N11.16282.61023.52433.52434.85784.85785.40203.49823.49825.67245.67246.4904
C21.16281.44742.46642.46643.74313.74314.23922.68032.68034.61814.61815.3276
C32.61021.44741.40421.40422.41982.41982.79182.16132.16133.40593.40593.8801
C43.52432.46641.40422.43871.39712.80542.42431.08773.42062.15433.89343.4092
C53.52432.46641.40422.43872.80541.39712.42433.42061.08773.89342.15433.4092
C64.85783.74312.41981.39712.80542.42701.40012.16533.89311.08803.41342.1598
C74.85783.74312.41982.80541.39712.42701.40013.89312.16533.41341.08802.1598
C85.40204.23922.79182.42432.42431.40011.40013.41463.41462.16212.16211.0884
H93.49822.68032.16131.08773.42062.16533.89313.41464.31292.49204.98114.3136
H103.49822.68032.16133.42061.08773.89312.16533.41464.31294.98112.49204.3136
H115.67244.61813.40592.15433.89341.08803.41342.16212.49204.98114.31302.4895
H125.67244.61813.40593.89342.15433.41341.08802.16214.98112.49204.31302.4895
H136.49045.32763.88013.40923.40922.15982.15981.08844.31364.31362.48952.4895

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 119.734
C2 C3 C5 119.734 C3 C4 C6 119.495
C3 C4 H9 119.758 C3 C5 C7 119.495
C3 C5 H10 119.758 C4 C3 C5 120.532
C4 C6 C8 120.156 C4 C6 H11 119.684
C5 C7 C8 120.156 C5 C7 H12 119.684
C6 C4 H9 120.747 C6 C8 C7 120.166
C6 C8 H13 119.917 C7 C5 H10 120.747
C7 C8 H13 119.917 C8 C6 H11 120.160
C8 C7 H12 120.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability