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All results from a given calculation for NH2COOH (Carbamic acid)

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-245.193152
Energy at 298.15K 
HF Energy-245.193152
Nuclear repulsion energy122.105575
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 BLYP/TZVP
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' 3649 3639 61.15      
2 A' 3643 3634 59.33      
3 A' 3517 3508 45.47      
4 A' 1748 1744 501.27      
5 A' 1574 1570 88.47      
6 A' 1359 1356 117.17      
7 A' 1186 1183 199.26      
8 A' 1038 1036 53.61      
9 A' 886 884 71.02      
10 A' 561 560 23.85      
11 A' 475 474 7.57      
12 A" 733 731 16.53      
13 A" 571 570 58.24      
14 A" 447 446 73.72      
15 A" 97i 97i 227.43      

Unscaled Zero Point Vibrational Energy (zpe) 10644.5 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 10617.9 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 BLYP/TZVP
ABC
0.37508 0.35581 0.18259

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.136 0.000
O2 -0.098 1.354 0.000
N3 1.165 -0.578 0.000
O4 -1.088 -0.725 0.000
H5 2.040 -0.071 0.000
H6 1.167 -1.590 0.000
H7 -1.875 -0.145 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22211.36651.38702.05042.08281.8963
O21.22212.30832.30212.56943.20382.3252
N31.36652.30832.25821.01081.01193.0714
O41.38702.30212.25823.19562.41500.9774
H52.05042.56941.01083.19561.75203.9161
H62.08283.20381.01192.41501.75203.3675
H71.89632.32523.07140.97743.91613.3675

picture of Carbamic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.430 C1 N3 H6 121.543
C1 O4 H7 105.333 O2 C1 N3 126.084
O2 C1 O4 123.724 N3 C1 O4 110.192
H5 N3 H6 120.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.258      
2 O -0.339      
3 N -0.393      
4 O -0.314      
5 H 0.252      
6 H 0.248      
7 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.975 -2.275 0.000 2.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.653 -2.240 0.000
y -2.240 -27.002 0.000
z 0.000 0.000 -24.486
Traceless
 xyz
x 10.091 -2.240 0.000
y -2.240 -6.932 0.000
z 0.000 0.000 -3.159
Polar
3z2-r2-6.318
x2-y211.349
xy-2.240
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.925 -0.349 0.000
y -0.349 4.818 0.000
z 0.000 0.000 2.611


<r2> (average value of r2) Å2
<r2> 65.938
(<r2>)1/2 8.120

Conformer 2 (C1)

Jump to S1C1
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-245.193156
Energy at 298.15K-245.197581
HF Energy-245.193156
Nuclear repulsion energy122.094355
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 BLYP/TZVP
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 3646 3636 68.95      
2 A 3643 3634 49.27      
3 A 3513 3504 43.36      
4 A 1749 1745 496.94      
5 A 1575 1571 86.85      
6 A 1358 1355 118.00      
7 A 1186 1183 189.25      
8 A 1040 1037 61.42      
9 A 886 884 71.20      
10 A 732 730 17.59      
11 A 566 565 56.40      
12 A 560 558 29.10      
13 A 476 475 11.42      
14 A 439 438 68.08      
15 A 149 148 231.40      

Unscaled Zero Point Vibrational Energy (zpe) 10758.4 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 10731.5 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 BLYP/TZVP
ABC
0.37507 0.35558 0.18260

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.034 0.132 -0.000
O2 -0.436 1.285 0.003
N3 1.275 -0.265 -0.025
O4 -0.870 -0.975 0.001
H5 1.988 0.446 0.065
H6 1.526 -1.240 0.074
H7 -1.779 -0.616 0.002

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22161.36791.38712.04772.07951.8979
O21.22162.30892.30182.56633.19952.3274
N31.36792.30892.25941.01121.01233.0736
O41.38712.30182.25943.19262.41230.9772
H52.04772.56631.01123.19261.74843.9141
H62.07953.19951.01232.41231.74843.3645
H71.89792.32743.07360.97723.91413.3645

picture of Carbamic acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.013 C1 N3 H6 121.046
C1 O4 H7 105.473 O2 C1 N3 126.069
O2 C1 O4 123.733 N3 C1 O4 110.191
H5 N3 H6 119.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.255      
2 O -0.338      
3 N -0.388      
4 O -0.314      
5 H 0.250      
6 H 0.246      
7 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.482 -1.943 0.291 2.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.352 0.842 0.592
y 0.842 -27.382 -0.163
z 0.592 -0.163 -24.467
Traceless
 xyz
x 10.573 0.842 0.592
y 0.842 -7.473 -0.163
z 0.592 -0.163 -3.100
Polar
3z2-r2-6.200
x2-y212.030
xy0.842
xz0.592
yz-0.163


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.090 -0.273 -0.002
y -0.273 4.664 0.003
z -0.002 0.003 2.620


<r2> (average value of r2) Å2
<r2> 65.947
(<r2>)1/2 8.121