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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-132.630852
Energy at 298.15K-132.633000
HF Energy-132.460543
Nuclear repulsion energy59.483767
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 B2PLYP/Def2TZVPP
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' 3560 3560 18.47      
2 A' 3501 3501 89.25      
3 A' 2220 2220 110.00      
4 A' 1650 1650 26.57      
5 A' 1078 1078 14.56      
6 A' 644 644 199.08      
7 A' 502 502 110.87      
8 A' 420 420 7.96      
9 A" 3649 3649 38.52      
10 A" 1210 1210 0.11      
11 A" 688 688 42.90      
12 A" 361 361 8.03      

Unscaled Zero Point Vibrational Energy (zpe) 9741.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9741.4 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 B2PLYP/Def2TZVPP
ABC
10.29422 0.31194 0.30540

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 1.366 0.000
C2 0.000 0.160 0.000
N3 0.097 -1.189 0.000
H4 -0.044 2.425 0.000
H5 -0.261 -1.631 0.833
H6 -0.261 -1.631 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20592.55781.05913.12003.1200
C21.20591.35292.26491.99251.9925
N32.55781.35293.61671.00801.0080
H41.05912.26493.61674.14614.1461
H53.12001.99251.00804.14611.6653
H63.12001.99251.00804.14611.6653

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.787 C2 C1 H4 179.515
C2 N3 H5 114.327 C2 N3 H6 114.327
H5 N3 H6 111.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.233      
2 C -0.039      
3 N -0.330      
4 H 0.240      
5 H 0.181      
6 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.061 -1.431 0.000 1.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.594 1.941 0.000
y 1.941 -12.576 0.000
z 0.000 0.000 -17.292
Traceless
 xyz
x -5.659 1.941 0.000
y 1.941 6.366 0.000
z 0.000 0.000 -0.707
Polar
3z2-r2-1.414
x2-y2-8.017
xy1.941
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.053 -0.018 0.000
y -0.018 6.979 0.000
z 0.000 0.000 3.182


<r2> (average value of r2) Å2
<r2> 44.547
(<r2>)1/2 6.674