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

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-321.383904
Energy at 298.15K-321.388870
Nuclear repulsion energy297.315823
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 CCD/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 3190 3051 6.77      
2 A1 3171 3033 6.97      
3 A1 3158 3020 0.17      
4 A1 2320 2219 0.02      
5 A1 1629 1558 0.47      
6 A1 1544 1477 13.57      
7 A1 1245 1191 0.09      
8 A1 1220 1167 0.00      
9 A1 1060 1014 2.56      
10 A1 1023 979 0.25      
11 A1 777 743 1.31      
12 A1 475 454 0.06      
13 A2 943 902 0.00      
14 A2 842 806 0.00      
15 A2 407 389 0.00      
16 B1 949 908 0.12      
17 B1 896 857 1.93      
18 B1 759 726 57.66      
19 B1 686 656 29.49      
20 B1 593 567 19.05      
21 B1 395 378 0.03      
22 B1 150 143 0.89      
23 B2 3180 3042 14.01      
24 B2 3164 3026 0.33      
25 B2 1598 1529 4.18      
26 B2 1498 1433 5.94      
27 B2 1394 1333 0.10      
28 B2 1262 1207 0.86      
29 B2 1177 1126 2.24      
30 B2 1108 1060 2.25      
31 B2 660 631 0.13      
32 B2 594 568 0.00      
33 B2 183 175 3.29      

Unscaled Zero Point Vibrational Energy (zpe) 21625.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 20684.6 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 CCD/3-21G*
ABC
0.18675 0.05068 0.03986

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 3.231
C2 0.000 0.000 2.060
C3 0.000 0.000 0.613
C4 0.000 1.223 -0.091
C5 0.000 -1.223 -0.091
C6 0.000 1.217 -1.494
C7 0.000 -1.217 -1.494
C8 0.000 0.000 -2.198
H9 0.000 2.163 0.460
H10 0.000 -2.163 0.460
H11 0.000 2.161 -2.037
H12 0.000 -2.161 -2.037
H13 0.000 0.000 -3.287

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13
N11.17142.61833.53963.53964.87954.87955.42923.51523.51525.69385.69386.5182
C21.17141.44692.47362.47363.75663.75664.25782.69002.69004.63154.63155.3468
C32.61831.44691.41051.41052.43332.43332.81092.16802.16803.41913.41913.8999
C43.53962.47361.41052.44511.40362.81462.43641.08933.42962.16053.90363.4223
C53.53962.47361.41052.44512.81461.40362.43643.42961.08933.90362.16053.4223
C64.87953.75662.43331.40362.81462.43431.40602.17073.90391.08893.42182.1670
C74.87953.75662.43332.81461.40362.43431.40603.90392.17073.42181.08892.1670
C85.42924.25782.81092.43642.43641.40601.40603.42663.42662.16752.16751.0890
H93.51522.69002.16801.08933.42962.17073.90393.42664.32512.49644.99294.3263
H103.51522.69002.16803.42961.08933.90392.17073.42664.32514.99292.49644.3263
H115.69384.63153.41912.16053.90361.08893.42182.16752.49644.99294.32292.4972
H125.69384.63153.41913.90362.16053.42181.08892.16754.99292.49644.32292.4972
H136.51825.34683.89993.42233.42232.16702.16701.08904.32634.32632.49722.4972

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 119.916
C2 C3 C5 119.916 C3 C4 C6 119.696
C3 C4 H9 119.729 C3 C5 C7 119.696
C3 C5 H10 119.729 C4 C3 C5 120.169
C4 C6 C8 120.261 C4 C6 H11 119.650
C5 C7 C8 120.261 C5 C7 H12 119.650
C6 C4 H9 120.575 C6 C8 C7 119.918
C6 C8 H13 120.041 C7 C5 H10 120.575
C7 C8 H13 120.041 C8 C6 H11 120.089
C8 C7 H12 120.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability