return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-322.911917
Energy at 298.15K-322.916976
Nuclear repulsion energy298.688229
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 CISD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3303 3098 9.14      
2 A1 3283 3079 12.24      
3 A1 3266 3063 0.07      
4 A1 2410 2260 22.30      
5 A1 1735 1627 0.09      
6 A1 1607 1507 16.27      
7 A1 1283 1203 0.56      
8 A1 1274 1194 0.26      
9 A1 1102 1034 3.39      
10 A1 1071 1005 0.02      
11 A1 807 757 2.94      
12 A1 490 460 0.12      
13 A2 991 930 0.00      
14 A2 891 835 0.00      
15 A2 423 396 0.00      
16 B1 991 929 0.40      
17 B1 949 890 1.77      
18 B1 786 737 89.61      
19 B1 681 639 12.03      
20 B1 563 528 11.34      
21 B1 382 358 1.13      
22 B1 148 139 2.14      
23 B2 3293 3088 20.65      
24 B2 3275 3071 0.91      
25 B2 1703 1597 1.70      
26 B2 1558 1461 8.40      
27 B2 1437 1348 0.19      
28 B2 1332 1249 3.66      
29 B2 1254 1176 1.60      
30 B2 1162 1090 2.79      
31 B2 676 634 0.09      
32 B2 584 548 0.01      
33 B2 175 164 4.73      

Unscaled Zero Point Vibrational Energy (zpe) 22442.5 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 21046.5 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 CISD/6-31G
ABC
0.18834 0.05113 0.04021

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 3.218
C2 0.000 0.000 2.052
C3 0.000 0.000 0.608
C4 0.000 1.217 -0.092
C5 0.000 -1.217 -0.092
C6 0.000 1.212 -1.488
C7 0.000 -1.212 -1.488
C8 0.000 0.000 -2.186
H9 0.000 2.152 0.455
H10 0.000 -2.152 0.455
H11 0.000 2.151 -2.028
H12 0.000 -2.151 -2.028
H13 0.000 0.000 -3.269

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13
N11.16632.61013.52643.52644.85934.85935.40403.50223.50225.66945.66946.4868
C21.16631.44372.46492.46493.74123.74124.23772.67972.67974.61154.61155.3205
C32.61011.44371.40401.40402.42112.42112.79402.15752.15753.40173.40173.8768
C43.52642.46491.40402.43461.39602.80232.42251.08283.41342.14923.88473.4024
C53.52642.46491.40402.43462.80231.39602.42253.41341.08283.88472.14923.4024
C64.85933.74122.42111.39602.80232.42501.39932.15793.88511.08243.40622.1547
C74.85933.74122.42112.80231.39602.42501.39933.88512.15793.40621.08242.1547
C85.40404.23772.79402.42252.42251.39931.39933.40683.40682.15642.15641.0828
H93.50222.67972.15751.08283.41342.15793.88513.40684.30412.48264.96754.3009
H103.50222.67972.15753.41341.08283.88512.15793.40684.30414.96752.48264.3009
H115.66944.61153.40172.14923.88471.08243.40622.15642.48264.96754.30122.4831
H125.66944.61153.40173.88472.14923.40621.08242.15644.96752.48264.30122.4831
H136.48685.32053.87683.40243.40242.15472.15471.08284.30094.30092.48312.4831

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 119.885
C2 C3 C5 119.885 C3 C4 C6 119.686
C3 C4 H9 119.797 C3 C5 C7 119.686
C3 C5 H10 119.797 C4 C3 C5 120.230
C4 C6 C8 120.142 C4 C6 H11 119.727
C5 C7 C8 120.142 C5 C7 H12 119.727
C6 C4 H9 120.516 C6 C8 C7 120.114
C6 C8 H13 119.943 C7 C5 H10 120.516
C7 C8 H13 119.943 C8 C6 H11 120.132
C8 C7 H12 120.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability