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: HF/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 HF/3-21G*
 hartrees
Energy at 0K-320.637934
Energy at 298.15K-320.643538
Nuclear repulsion energy302.185470
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 HF/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 3396 3066 4.71      
2 A1 3380 3051 9.32      
3 A1 3362 3035 0.00      
4 A1 2585 2333 25.76      
5 A1 1777 1604 0.54      
6 A1 1670 1507 21.63      
7 A1 1331 1201 1.37      
8 A1 1309 1182 0.05      
9 A1 1140 1029 2.36      
10 A1 1104 996 0.34      
11 A1 837 755 3.76      
12 A1 512 462 0.23      
13 A2 1165 1051 0.00      
14 A2 995 898 0.00      
15 A2 463 418 0.00      
16 B1 1198 1081 0.05      
17 B1 1111 1003 5.50      
18 B1 908 820 41.29      
19 B1 801 723 66.90      
20 B1 689 622 25.59      
21 B1 456 412 0.00      
22 B1 170 154 1.12      
23 B2 3389 3059 10.37      
24 B2 3372 3043 2.05      
25 B2 1744 1574 1.63      
26 B2 1618 1460 12.10      
27 B2 1505 1358 0.68      
28 B2 1353 1221 1.19      
29 B2 1247 1126 6.88      
30 B2 1192 1076 1.89      
31 B2 717 647 0.12      
32 B2 657 593 0.04      
33 B2 201 182 4.25      

Unscaled Zero Point Vibrational Energy (zpe) 23676.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 21370.0 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 HF/3-21G*
ABC
0.19244 0.05237 0.04117

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 3.174
C2 0.000 0.000 2.033
C3 0.000 0.000 0.604
C4 0.000 1.204 -0.090
C5 0.000 -1.204 -0.090
C6 0.000 1.200 -1.471
C7 0.000 -1.200 -1.471
C8 0.000 0.000 -2.162
H9 0.000 2.127 0.452
H10 0.000 -2.127 0.452
H11 0.000 2.128 -2.005
H12 0.000 -2.128 -2.005
H13 0.000 0.000 -3.233

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13
N11.14052.56973.47813.47814.79724.79725.33543.45413.45415.59925.59926.4069
C21.14051.42922.44032.44033.70403.70404.19492.65042.65044.56494.56495.2664
C32.56971.42921.38931.38932.39702.39702.76572.13292.13293.36723.36723.8371
C43.47812.44031.38932.40781.38162.77272.39661.07093.37522.12723.84383.3664
C53.47812.44031.38932.40782.77271.38162.39663.37521.07093.84382.12723.3664
C64.79723.70402.39701.38162.77272.40011.38462.13553.84351.07113.37102.1320
C74.79723.70402.39702.77271.38162.40011.38463.84352.13553.37101.07112.1320
C85.33544.19492.76572.39662.39661.38461.38463.37053.37052.13422.13421.0715
H93.45412.65042.13291.07093.37522.13553.84353.37054.25502.45774.91464.2557
H103.45412.65042.13293.37521.07093.84352.13553.37054.25504.91462.45774.2557
H115.59924.56493.36722.12723.84381.07113.37102.13422.45774.91464.25682.4573
H125.59924.56493.36723.84382.12723.37101.07112.13424.91462.45774.25682.4573
H136.40695.26643.83713.36643.36642.13202.13201.07154.25574.25572.45732.4573

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 119.941
C2 C3 C5 119.941 C3 C4 C6 119.780
C3 C4 H9 119.654 C3 C5 C7 119.780
C3 C5 H10 119.654 C4 C3 C5 120.119
C4 C6 C8 120.083 C4 C6 H11 119.755
C5 C7 C8 120.083 C5 C7 H12 119.755
C6 C4 H9 120.566 C6 C8 C7 120.155
C6 C8 H13 119.922 C7 C5 H10 120.566
C7 C8 H13 119.922 C8 C6 H11 120.162
C8 C7 H12 120.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.505      
2 C 0.334      
3 C -0.060      
4 C -0.192      
5 C -0.192      
6 C -0.233      
7 C -0.233      
8 C -0.227      
9 H 0.270      
10 H 0.270      
11 H 0.256      
12 H 0.256      
13 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.551 4.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.435 0.000 0.000
y 0.000 -39.174 0.000
z 0.000 0.000 -56.234
Traceless
 xyz
x -2.731 0.000 0.000
y 0.000 14.160 0.000
z 0.000 0.000 -11.429
Polar
3z2-r2-22.858
x2-y2-11.261
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.778 0.000 0.000
y 0.000 9.985 0.000
z 0.000 0.000 14.241


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000