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: HF/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 HF/3-21G
 hartrees
Energy at 0K-357.320742
Energy at 298.15K 
HF Energy-357.320742
Nuclear repulsion energy326.389240
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 A' 3417 3094 2.47 75.37 0.17 0.29
2 A' 3397 3076 5.02 155.47 0.12 0.21
3 A' 3385 3065 10.24 48.87 0.24 0.39
4 A' 3376 3058 7.57 94.41 0.74 0.85
5 A' 3362 3045 0.61 49.61 0.75 0.85
6 A' 1770 1603 3.55 52.29 0.54 0.70
7 A' 1762 1596 3.34 13.01 0.74 0.85
8 A' 1662 1505 23.05 2.58 0.40 0.57
9 A' 1638 1483 26.20 20.94 0.31 0.47
10 A' 1588 1439 80.48 82.00 0.32 0.48
11 A' 1488 1348 10.89 3.07 0.37 0.54
12 A' 1370 1241 8.73 0.29 0.59 0.74
13 A' 1318 1194 0.23 2.68 0.75 0.85
14 A' 1266 1146 12.57 9.05 0.66 0.80
15 A' 1232 1115 73.67 61.06 0.24 0.38
16 A' 1188 1076 2.40 0.36 0.21 0.34
17 A' 1132 1025 6.46 1.61 0.18 0.31
18 A' 1103 999 0.16 35.74 0.12 0.21
19 A' 870 788 21.39 8.40 0.59 0.74
20 A' 728 659 19.90 3.56 0.27 0.43
21 A' 705 638 0.03 6.00 0.75 0.86
22 A' 492 445 0.07 2.81 0.31 0.47
23 A' 283 256 3.22 2.65 0.51 0.67
24 A" 1216 1101 1.88 1.48 0.75 0.86
25 A" 1193 1081 0.03 0.12 0.75 0.86
26 A" 1143 1035 10.29 2.02 0.75 0.86
27 A" 1011 915 0.00 4.64 0.75 0.86
28 A" 903 818 68.15 0.26 0.75 0.86
29 A" 805 729 56.73 0.75 0.75 0.86
30 A" 555 502 5.19 0.39 0.75 0.86
31 A" 481 435 0.01 0.09 0.75 0.86
32 A" 287 260 0.05 5.44 0.75 0.86
33 A" 132 120 0.34 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23127.8 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 20944.6 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 HF/3-21G
ABC
0.17871 0.05540 0.04229

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.595 0.000
C2 -1.024 -0.337 0.000
C3 -0.717 -1.681 0.000
C4 0.611 -2.087 0.000
C5 1.630 -1.151 0.000
C6 1.321 0.197 0.000
N7 -0.235 2.019 0.000
O8 -1.416 2.338 0.000
H9 -2.034 0.012 0.000
H10 -1.502 -2.410 0.000
H11 0.847 -3.132 0.000
H12 2.653 -1.468 0.000
H13 2.087 0.944 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.38452.38612.75092.38931.37961.44262.24572.11633.35933.82273.36122.1161
C21.38451.37842.39492.77642.40452.48362.70351.06872.12743.36373.84733.3643
C32.38611.37841.38872.40632.77073.73034.07912.14421.07112.13383.37723.8410
C42.75092.39491.38871.38382.39154.19184.86723.37632.13701.07182.13443.3717
C52.38932.77642.40631.38381.38323.67824.63223.84463.37532.13051.07092.1449
C61.37962.40452.77072.39151.38322.39603.47513.36003.84183.36282.13241.0706
N71.44262.48363.73034.19183.67822.39601.22312.69504.60575.26344.52782.5589
O82.24572.70354.07914.86724.63223.47511.22312.40744.74875.92015.57203.7703
H92.11631.06872.14423.37633.84463.36002.69502.40742.47914.26424.91554.2255
H103.35932.12741.07112.13703.37533.84184.60574.74872.47912.45694.26054.9121
H113.82273.36372.13381.07182.13053.36285.26345.92014.26422.45692.45674.2614
H123.36123.84733.37722.13441.07092.13244.52785.57204.91554.26052.45672.4779
H132.11613.36433.84103.37172.14491.07062.55893.77034.22554.91214.26142.4779

picture of nitrosobenzene state 1 conformation 1
More geometry information An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.