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

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-321.239962
Energy at 298.15K-321.245260
Nuclear repulsion energy299.907794
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/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 3304 3110 5.35      
2 A1 3284 3091 6.38      
3 A1 3269 3077 0.08      
4 A1 2448 2305 8.70      
5 A1 1704 1604 0.04      
6 A1 1604 1510 17.32      
7 A1 1289 1213 0.60      
8 A1 1266 1191 0.14      
9 A1 1099 1034 2.68      
10 A1 1067 1004 0.11      
11 A1 808 760 2.48      
12 A1 493 464 0.12      
13 A2 1031 970 0.00      
14 A2 908 854 0.00      
15 A2 432 407 0.00      
16 B1 1040 979 0.08      
17 B1 983 925 3.07      
18 B1 824 776 48.82      
19 B1 737 694 47.26      
20 B1 637 600 21.87      
21 B1 422 398 0.02      
22 B1 159 149 1.00      
23 B2 3293 3100 10.57      
24 B2 3277 3084 0.58      
25 B2 1672 1574 2.37      
26 B2 1556 1464 9.47      
27 B2 1445 1360 0.34      
28 B2 1309 1232 1.04      
29 B2 1222 1150 3.83      
30 B2 1153 1085 2.32      
31 B2 687 647 0.12      
32 B2 626 590 0.02      
33 B2 192 181 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 22618.3 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 21290.6 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 CISD/3-21G
ABC
0.18975 0.05159 0.04056

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 3.201
C2 0.000 0.000 2.044
C3 0.000 0.000 0.607
C4 0.000 1.213 -0.090
C5 0.000 -1.213 -0.090
C6 0.000 1.208 -1.482
C7 0.000 -1.208 -1.482
C8 0.000 0.000 -2.178
H9 0.000 2.144 0.456
H10 0.000 -2.144 0.456
H11 0.000 2.144 -2.020
H12 0.000 -2.144 -2.020
H13 0.000 0.000 -3.258

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13
N11.15682.59363.50743.50744.83584.83585.37903.48323.48325.64385.64386.4589
C21.15681.43682.45472.45473.72693.72694.22222.66842.66844.59484.59485.3021
C32.59361.43681.39881.39882.41292.41292.78532.14962.14963.39093.39093.8653
C43.50742.45471.39882.42511.39142.79192.41441.08003.40102.14263.87163.3920
C53.50742.45471.39882.42512.79191.39142.41443.40101.08003.87162.14263.3920
C64.83583.72692.41291.39142.79192.41591.39442.15193.87191.07973.39482.1483
C74.83583.72692.41292.79191.39142.41591.39443.87192.15193.39481.07972.1483
C85.37904.22222.78532.41442.41441.39441.39443.39653.39652.14972.14971.0800
H93.48322.66842.14961.08003.40102.15193.87193.39654.28862.47584.95164.2886
H103.48322.66842.14963.40101.08003.87192.15193.39654.28864.95162.47584.2886
H115.64384.59483.39092.14263.87161.07973.39482.14972.47584.95164.28782.4758
H125.64384.59483.39093.87162.14263.39481.07972.14974.95162.47584.28782.4758
H136.45895.30213.86533.39203.39202.14832.14831.08004.28864.28862.47582.4758

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 119.907
C2 C3 C5 119.907 C3 C4 C6 119.717
C3 C4 H9 119.717 C3 C5 C7 119.717
C3 C5 H10 119.717 C4 C3 C5 120.187
C4 C6 C8 120.157 C4 C6 H11 119.714
C5 C7 C8 120.157 C5 C7 H12 119.714
C6 C4 H9 120.566 C6 C8 C7 120.065
C6 C8 H13 119.968 C7 C5 H10 120.566
C7 C8 H13 119.968 C8 C6 H11 120.129
C8 C7 H12 120.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability