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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: LSDA/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
1 2 no C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-148.034704
Energy at 298.15K-148.036862
Nuclear repulsion energy59.542106
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 LSDA/aug-cc-pVTZ
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' 3483 3450 53.79      
2 A' 2326 2304 122.32      
3 A' 1546 1532 48.44      
4 A' 1122 1112 9.81      
5 A' 520 515 16.04      
6 A' 417 413 206.40      
7 A" 3577 3544 89.19      
8 A" 1121 1110 0.60      
9 A" 404 400 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7257.6 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 7189.3 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 LSDA/aug-cc-pVTZ
ABC
10.44966 0.34277 0.33365

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.215 0.000
N2 -0.007 1.376 0.000
N3 0.065 -1.107 0.000
H4 -0.204 -1.585 0.857
H5 -0.204 -1.585 -0.857

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16071.32362.00382.0038
N21.16072.48373.08833.0883
N31.32362.48371.01711.0171
H42.00383.08831.01711.7134
H52.00383.08831.01711.7134

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 117.154 C1 N3 H5 117.154
N2 C1 N3 177.518 H4 N3 H5 114.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.139      
2 N -0.355      
3 N -0.055      
4 H 0.135      
5 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.774 -4.728 0.000 4.791
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.802 1.528 0.000
y 1.528 -18.582 0.000
z 0.000 0.000 -15.200
Traceless
 xyz
x -1.911 1.528 0.000
y 1.528 -1.581 0.000
z 0.000 0.000 3.493
Polar
3z2-r26.985
x2-y2-0.220
xy1.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.167 0.001 0.000
y 0.001 5.983 0.000
z 0.000 0.000 3.265


<r2> (average value of r2) Å2
<r2> 39.654
(<r2>)1/2 6.297

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-148.034280
Energy at 298.15K 
HF Energy-148.034280
Nuclear repulsion energy59.615043
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 LSDA/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3523 3490 71.50      
2 A1 2327 2305 139.65      
3 A1 1536 1521 54.32      
4 A1 1140 1129 10.24      
5 B1 520 515 0.09      
6 B1 310i 307i 226.47      
7 B2 3632 3597 109.15      
8 B2 1083 1073 2.38      
9 B2 401 397 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 6925.5 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 6860.4 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 LSDA/aug-cc-pVTZ
ABC
11.00006 0.34346 0.33306

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.216
N2 0.000 0.000 1.377
N3 0.000 0.000 -1.100
H4 0.000 0.872 -1.616
H5 0.000 -0.872 -1.616

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16161.31562.02872.0287
N21.16162.47733.11783.1178
N31.31562.47731.01321.0132
H42.02873.11781.01321.7439
H52.02873.11781.01321.7439

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.620 C1 N3 H5 120.620
N2 C1 N3 180.000 H4 N3 H5 118.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.135      
2 N -0.359      
3 N -0.032      
4 H 0.128      
5 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.939 4.939
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.003 0.000 0.000
y 0.000 -15.045 0.000
z 0.000 0.000 -18.156
Traceless
 xyz
x -2.403 0.000 0.000
y 0.000 3.535 0.000
z 0.000 0.000 -1.132
Polar
3z2-r2-2.264
x2-y2-3.958
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.161 0.000 0.000
y 0.000 3.263 0.000
z 0.000 0.000 6.017


<r2> (average value of r2) Å2
<r2> 39.639
(<r2>)1/2 6.296