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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/aug-cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-206.772380
Energy at 298.15K 
HF Energy-206.772380
Nuclear repulsion energy106.381629
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-pVQZ
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' 3396 3085 1.36 53.89 0.68 0.81
2 A' 3333 3028 4.11 102.91 0.22 0.37
3 A' 3302 3000 1.96 48.50 0.10 0.18
4 A' 1896 1722 175.99 71.20 0.44 0.61
5 A' 1826 1659 7.80 147.01 0.16 0.27
6 A' 1539 1398 15.77 29.62 0.32 0.49
7 A' 1400 1272 0.92 15.05 0.20 0.34
8 A' 1267 1151 64.94 36.62 0.47 0.64
9 A' 980 890 21.07 1.70 0.74 0.85
10 A' 664 603 3.63 7.35 0.10 0.18
11 A' 385 350 2.06 0.38 0.63 0.78
12 A" 1133 1030 23.86 9.05 0.75 0.86
13 A" 1093 993 44.76 0.73 0.75 0.86
14 A" 752 683 2.78 1.69 0.75 0.86
15 A" 186 169 0.01 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11575.3 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 10516.2 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-pVQZ
ABC
1.84202 0.17404 0.15902

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.186 1.209 0.000
C2 0.000 0.645 0.000
N3 -0.057 -0.778 0.000
O4 -1.144 -1.216 0.000
H5 2.074 0.607 0.000
H6 1.298 2.275 0.000
H7 -0.939 1.166 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.31392.34443.36321.07261.07162.1257
C21.31391.42372.18392.07392.08431.0739
N32.34441.42371.17152.54113.34052.1343
O43.36322.18391.17153.69764.26042.3904
H51.07262.07392.54113.69761.83993.0639
H61.07162.08433.34054.26041.83992.4972
H72.12571.07392.13432.39043.06392.4972

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.763 C1 C2 H7 125.509
C2 C1 H5 120.346 C2 C1 H6 121.454
C2 N3 O4 114.253 N3 C2 H7 116.728
H5 C1 H6 118.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.715      
2 C -0.315      
3 N 0.085      
4 O -0.428      
5 H 0.468      
6 H 0.379      
7 H 0.525      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.409 2.808 0.000 3.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.623 -0.148 0.000
y -0.148 -23.500 0.000
z 0.000 0.000 -24.064
Traceless
 xyz
x 1.159 -0.148 0.000
y -0.148 -0.156 0.000
z 0.000 0.000 -1.003
Polar
3z2-r2-2.005
x2-y20.877
xy-0.148
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.067 2.032 0.000
y 2.032 6.312 0.000
z 0.000 0.000 3.797


<r2> (average value of r2) Å2
<r2> 74.647
(<r2>)1/2 8.640