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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-206.711824
Energy at 298.15K 
HF Energy-206.711824
Nuclear repulsion energy105.852148
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/aug-cc-pVDZ
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' 3418 3113 1.30 56.27 0.68 0.81
2 A' 3351 3051 3.89 102.09 0.23 0.37
3 A' 3315 3019 1.76 52.86 0.10 0.18
4 A' 1900 1730 180.70 75.26 0.44 0.61
5 A' 1827 1664 10.16 158.69 0.17 0.28
6 A' 1524 1388 18.00 29.84 0.34 0.51
7 A' 1386 1262 0.77 12.47 0.20 0.34
8 A' 1267 1153 67.73 37.39 0.48 0.65
9 A' 978 890 19.21 1.37 0.71 0.83
10 A' 661 602 3.98 7.18 0.11 0.20
11 A' 381 347 2.11 0.43 0.60 0.75
12 A" 1124 1024 33.30 8.30 0.75 0.86
13 A" 1076 979 36.33 1.47 0.75 0.86
14 A" 743 677 2.97 1.68 0.75 0.86
15 A" 189 172 0.01 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11569.4 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 10535.1 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/aug-cc-pVDZ
ABC
1.81596 0.17272 0.15772

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.197 1.210 0.000
C2 0.000 0.645 0.000
N3 -0.058 -0.780 0.000
O4 -1.154 -1.215 0.000
H5 2.088 0.599 0.000
H6 1.312 2.283 0.000
H7 -0.944 1.172 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32332.35273.37751.08051.07972.1417
C21.32331.42672.18932.08852.09871.0817
N32.35271.42671.17912.55093.35602.1445
O43.37752.18931.17913.71494.28032.3969
H51.08052.08852.55093.71491.85483.0863
H61.07972.09873.35604.28031.85482.5150
H72.14171.08172.14452.39693.08632.5150

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.584 C1 C2 H7 125.574
C2 C1 H5 120.306 C2 C1 H6 121.370
C2 N3 O4 113.982 N3 C2 H7 116.841
H5 C1 H6 118.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.457      
2 C 0.884      
3 N -0.106      
4 O -0.603      
5 H -0.192      
6 H -0.218      
7 H -0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.461 2.855 0.000 3.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.681 -0.180 0.000
y -0.180 -23.639 0.000
z 0.000 0.000 -24.279
Traceless
 xyz
x 1.278 -0.180 0.000
y -0.180 -0.159 0.000
z 0.000 0.000 -1.119
Polar
3z2-r2-2.237
x2-y20.958
xy-0.180
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.157 2.121 0.000
y 2.121 6.342 0.000
z 0.000 0.000 3.767


<r2> (average value of r2) Å2
<r2> 75.246
(<r2>)1/2 8.674