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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: mPW1PW91/6-31+G**

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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-148.753372
Energy at 298.15K-148.755607
Nuclear repulsion energy59.312258
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 mPW1PW91/6-31+G**
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' 3616 3441 54.10      
2 A' 2388 2273 131.41      
3 A' 1641 1562 54.38      
4 A' 1123 1068 10.16      
5 A' 543 517 112.02      
6 A' 476 453 167.44      
7 A" 3726 3546 82.49      
8 A" 1189 1132 0.61      
9 A" 412 392 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7556.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 7192.6 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 mPW1PW91/6-31+G**
ABC
10.43501 0.33879 0.33031

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.218 0.000
N2 -0.015 1.382 0.000
N3 0.078 -1.118 0.000
H4 -0.222 -1.577 0.847
H5 -0.222 -1.577 -0.847

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16361.33821.99701.9970
N21.16362.50123.08423.0842
N31.33822.50121.00901.0090
H41.99703.08421.00901.6945
H51.99703.08421.00901.6945

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.889 C1 N3 H5 115.889
N2 C1 N3 177.379 H4 N3 H5 114.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.419      
2 N -0.423      
3 N -0.677      
4 H 0.340      
5 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.980 -4.617 0.000 4.720
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.793 1.904 0.000
y 1.904 -18.647 0.000
z 0.000 0.000 -15.070
Traceless
 xyz
x -1.935 1.904 0.000
y 1.904 -1.716 0.000
z 0.000 0.000 3.650
Polar
3z2-r27.301
x2-y2-0.146
xy1.904
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.373 -0.043 0.000
y -0.043 5.488 0.000
z 0.000 0.000 2.472


<r2> (average value of r2) Å2
<r2> 39.876
(<r2>)1/2 6.315

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-148.752604
Energy at 298.15K 
HF Energy-148.752604
Nuclear repulsion energy59.418908
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 mPW1PW91/6-31+G**
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 3669 3493 79.06      
2 A1 2387 2272 159.03      
3 A1 1625 1547 59.37      
4 A1 1150 1094 13.06      
5 B1 529 503 0.17      
6 B1 363i 346i 308.81      
7 B2 3797 3614 114.42      
8 B2 1141 1086 4.57      
9 B2 409 390 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 7172.0 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 6826.3 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 mPW1PW91/6-31+G**
ABC
11.14465 0.33990 0.32984

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.218
N2 0.000 0.000 1.383
N3 0.000 0.000 -1.108
H4 0.000 0.866 -1.617
H5 0.000 -0.866 -1.617

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16481.32692.02952.0295
N21.16482.49173.12273.1227
N31.32692.49171.00451.0045
H42.02953.12271.00451.7326
H52.02953.12271.00451.7326

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.409 C1 N3 H5 120.409
N2 C1 N3 180.000 H4 N3 H5 119.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.443      
2 N -0.427      
3 N -0.713      
4 H 0.349      
5 H 0.349      


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 -4.913 4.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.037 0.000 0.000
y 0.000 -14.868 0.000
z 0.000 0.000 -18.030
Traceless
 xyz
x -2.588 0.000 0.000
y 0.000 3.666 0.000
z 0.000 0.000 -1.078
Polar
3z2-r2-2.155
x2-y2-4.169
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.342 0.000 0.000
y 0.000 2.383 0.000
z 0.000 0.000 5.536


<r2> (average value of r2) Å2
<r2> 39.823
(<r2>)1/2 6.311