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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: SVWN/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/6-311G**
 hartrees
Energy at 0K-131.978886
Energy at 298.15K-131.980854
HF Energy-131.978886
Nuclear repulsion energy59.615527
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 SVWN/6-311G**
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' 3480 3443 20.52      
2 A' 3422 3387 111.13      
3 A' 2232 2209 116.25      
4 A' 1562 1546 39.39      
5 A' 1120 1108 15.63      
6 A' 501 495 21.67      
7 A' 444 439 302.65      
8 A' 377 374 29.15      
9 A" 3567 3530 49.43      
10 A" 1130 1118 1.14      
11 A" 672 665 37.56      
12 A" 367 363 11.80      

Unscaled Zero Point Vibrational Energy (zpe) 9436.6 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 9338.4 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 SVWN/6-311G**
ABC
10.42708 0.31491 0.30739

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 1.363 0.000
C2 0.000 0.154 0.000
N3 0.082 -1.175 0.000
H4 -0.050 2.432 0.000
H5 -0.201 -1.655 0.852
H6 -0.201 -1.655 -0.852

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20882.53931.07013.14103.1410
C21.20881.33112.27892.00982.0098
N32.53931.33113.60941.01831.0183
H41.07012.27893.60944.17804.1780
H53.14102.00981.01834.17801.7041
H63.14102.00981.01834.17801.7041

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.417 C2 C1 H4 179.279
C2 N3 H5 116.996 C2 N3 H6 116.996
H5 N3 H6 113.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 C 0.021      
3 N -0.578      
4 H 0.123      
5 H 0.249      
6 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.929 -1.868 0.000 2.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.461 1.558 0.000
y 1.558 -11.618 0.000
z 0.000 0.000 -16.879
Traceless
 xyz
x -6.213 1.558 0.000
y 1.558 7.052 0.000
z 0.000 0.000 -0.839
Polar
3z2-r2-1.679
x2-y2-8.843
xy1.558
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.203 -0.012 0.000
y -0.012 6.855 0.000
z 0.000 0.000 2.532


<r2> (average value of r2) Å2
<r2> 44.114
(<r2>)1/2 6.642