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 C6H5NO (nitrosobenzene)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-359.419163
Energy at 298.15K 
HF Energy-359.419163
Nuclear repulsion energy319.373335
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 BLYP/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 A' 3148 3130 9.74      
2 A' 3143 3125 10.17      
3 A' 3131 3114 9.33      
4 A' 3124 3106 6.70      
5 A' 3113 3096 0.73      
6 A' 1560 1551 9.56      
7 A' 1552 1544 6.52      
8 A' 1478 1469 4.96      
9 A' 1467 1458 11.65      
10 A' 1337 1330 3.46      
11 A' 1309 1302 8.35      
12 A' 1222 1216 39.52      
13 A' 1197 1191 0.30      
14 A' 1189 1183 0.40      
15 A' 1075 1069 12.67      
16 A' 1045 1039 93.99      
17 A' 1013 1007 42.92      
18 A' 996 991 5.62      
19 A' 763 759 46.44      
20 A' 652 649 10.15      
21 A' 631 627 0.24      
22 A' 428 425 1.57      
23 A' 251 250 2.44      
24 A" 1026 1020 2.01      
25 A" 999 994 0.00      
26 A" 957 952 4.76      
27 A" 860 855 0.00      
28 A" 780 775 37.04      
29 A" 704 700 44.03      
30 A" 475 472 2.53      
31 A" 421 419 0.06      
32 A" 245 244 0.12      
33 A" 136 135 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 20712.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 20598.4 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 BLYP/3-21G
ABC
0.17059 0.05343 0.04068

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.609 0.000
C2 -1.027 -0.358 0.000
C3 -0.699 -1.717 0.000
C4 0.660 -2.111 0.000
C5 1.685 -1.144 0.000
C6 1.354 0.220 0.000
N7 -0.258 2.061 0.000
O8 -1.532 2.333 0.000
H9 -2.052 0.011 0.000
H10 -1.485 -2.474 0.000
H11 0.915 -3.171 0.000
H12 2.730 -1.456 0.000
H13 2.118 0.998 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.41052.42832.79842.43171.40841.47482.30682.13723.42153.88953.42312.1533
C21.41051.39772.43262.82412.45002.53822.73811.08952.16473.41883.91463.4248
C32.42831.39771.41502.45242.82243.80324.13452.19451.09102.17323.43953.9122
C42.79842.43261.41501.40942.43204.27134.95503.44342.17501.09112.17183.4336
C52.43172.82412.45241.40941.40403.74804.73753.91203.43772.16891.09052.1852
C61.40842.45002.82242.43201.40402.44653.57683.41213.91333.42002.16891.0904
N71.47482.53823.80324.27133.74802.44651.30322.72384.69775.36224.61482.6026
O82.30682.73814.13454.95504.73753.57681.30322.37914.80716.02425.70323.8866
H92.13721.08952.19453.44343.91203.41212.72382.37912.54914.35145.00244.2850
H103.42152.16471.09102.17503.43773.91334.69774.80712.54912.49914.33635.0031
H113.88953.41882.17321.09112.16893.42005.36226.02424.35142.49912.49794.3396
H123.42313.91463.43952.17181.09052.16894.61485.70325.00244.33632.49792.5291
H132.15333.42483.91223.43362.18521.09042.60263.88664.28505.00314.33962.5291

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.702 C1 C2 H9 116.915
C1 C6 C5 119.685 C1 C6 H13 118.472
C1 N7 O8 112.126 C2 C1 C6 120.714
C2 C1 N7 123.199 C2 C3 C4 119.736
C2 C3 H10 120.383 C3 C2 H9 123.383
C3 C4 C5 120.527 C3 C4 H11 119.701
C4 C3 H10 119.881 C4 C5 C6 119.636
C4 C5 H12 120.087 C5 C4 H11 119.772
C5 C6 H13 121.843 C6 C1 N7 116.087
C6 C5 H12 120.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.166      
2 C -0.136      
3 C -0.169      
4 C -0.145      
5 C -0.167      
6 C -0.127      
7 N -0.102      
8 O -0.243      
9 H 0.191      
10 H 0.180      
11 H 0.181      
12 H 0.180      
13 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.353 -3.462 0.000 3.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.715 2.553 0.000
y 2.553 -47.581 0.000
z 0.000 0.000 -47.825
Traceless
 xyz
x 5.988 2.553 0.000
y 2.553 -2.811 0.000
z 0.000 0.000 -3.177
Polar
3z2-r2-6.354
x2-y25.867
xy2.553
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.026 -1.969 0.000
y -1.969 14.333 0.000
z 0.000 0.000 2.788


<r2> (average value of r2) Å2
<r2> 255.020
(<r2>)1/2 15.969