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: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-323.506340
Energy at 298.15K-323.511093
Nuclear repulsion energy298.633631
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/6-31G*
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 3230 3076 5.63      
2 A1 3218 3064 11.30      
3 A1 3201 3048 0.01      
4 A1 2339 2227 8.10      
5 A1 1696 1615 0.21      
6 A1 1561 1487 12.18      
7 A1 1239 1180 0.03      
8 A1 1230 1171 1.01      
9 A1 1069 1018 2.61      
10 A1 1030 981 0.34      
11 A1 778 741 1.65      
12 A1 467 445 0.00      
13 A2 931 886 0.00      
14 A2 850 809 0.00      
15 A2 399 380 0.00      
16 B1 930 886 0.34      
17 B1 900 857 1.24      
18 B1 747 712 73.50      
19 B1 603 574 6.28      
20 B1 534 509 10.26      
21 B1 375 357 1.32      
22 B1 144 137 2.08      
23 B2 3226 3072 13.54      
24 B2 3210 3057 2.81      
25 B2 1671 1591 1.34      
26 B2 1511 1439 7.80      
27 B2 1374 1309 0.36      
28 B2 1311 1249 3.29      
29 B2 1207 1149 0.76      
30 B2 1127 1073 2.54      
31 B2 643 612 0.12      
32 B2 550 524 0.14      
33 B2 163 155 4.73      

Unscaled Zero Point Vibrational Energy (zpe) 21731.6 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 20695.0 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/6-31G*
ABC
0.18815 0.05117 0.04023

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 3.219
C2 0.000 0.000 2.050
C3 0.000 0.000 0.603
C4 0.000 1.218 -0.092
C5 0.000 -1.218 -0.092
C6 0.000 1.212 -1.487
C7 0.000 -1.212 -1.487
C8 0.000 0.000 -2.183
H9 0.000 2.156 0.461
H10 0.000 -2.156 0.461
H11 0.000 2.155 -2.030
H12 0.000 -2.155 -2.030
H13 0.000 0.000 -3.272

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13
N11.16942.61653.52793.52794.85924.85925.40243.50063.50065.67435.67436.4912
C21.16941.44712.46372.46373.73813.73814.23292.67782.67784.61394.61395.3218
C32.61651.44711.40221.40222.41522.41522.78592.16032.16033.40223.40223.8747
C43.52792.46371.40222.43651.39482.80202.42041.08833.41892.15273.89053.4057
C53.52792.46371.40222.43652.80201.39482.42043.41891.08833.89052.15273.4057
C64.85923.73812.41521.39482.80202.42391.39792.16413.89021.08853.41062.1580
C74.85923.73812.41522.80201.39482.42391.39793.89022.16413.41061.08852.1580
C85.40244.23292.78592.42042.42041.39791.39793.41163.41162.16052.16051.0888
H93.50062.67782.16031.08833.41892.16413.89023.41164.31132.49104.97874.3108
H103.50062.67782.16033.41891.08833.89022.16413.41164.31134.97872.49104.3108
H115.67434.61393.40222.15273.89051.08853.41062.16052.49104.97874.31012.4874
H125.67434.61393.40223.89052.15273.41061.08852.16054.97872.49104.31012.4874
H136.49125.32183.87473.40573.40572.15802.15801.08884.31084.31082.48742.4874

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 119.683
C2 C3 C5 119.683 C3 C4 C6 119.425
C3 C4 H9 119.790 C3 C5 C7 119.425
C3 C5 H10 119.790 C4 C3 C5 120.634
C4 C6 C8 120.152 C4 C6 H11 119.693
C5 C7 C8 120.152 C5 C7 H12 119.693
C6 C4 H9 120.785 C6 C8 C7 120.213
C6 C8 H13 119.894 C7 C5 H10 120.785
C7 C8 H13 119.894 C8 C6 H11 120.155
C8 C7 H12 120.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability