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

using model chemistry: CCSD=FULL/aug-cc-pVDZ

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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-244.595633
Energy at 298.15K 
HF Energy-243.867873
Nuclear repulsion energy123.011197
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 CCSD=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3832 3832 87.56      
2 A' 3801 3801 68.85      
3 A' 3655 3655 62.31      
4 A' 1837 1837 590.24      
5 A' 1637 1637 114.51      
6 A' 1450 1450 130.57      
7 A' 1260 1260 209.01      
8 A' 1091 1091 33.98      
9 A' 964 964 41.34      
10 A' 589 589 34.30      
11 A' 491 491 5.76      
12 A" 789 789 21.67      
13 A" 587 587 57.92      
14 A" 486 486 63.02      
15 A" 224i 224i 218.43      

Unscaled Zero Point Vibrational Energy (zpe) 11121.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11121.9 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 CCSD=FULL/aug-cc-pVDZ
ABC
0.38229 0.35987 0.18537

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
O2 -0.062 1.347 0.000
N3 1.143 -0.610 0.000
O4 -1.097 -0.683 0.000
H5 2.026 -0.127 0.000
H6 1.107 -1.617 0.000
H7 -1.859 -0.087 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.21781.36201.36602.04272.06861.8721
O21.21782.29822.27862.55603.18592.2997
N31.36202.29822.24121.00711.00733.0473
O41.36602.27862.24123.17272.39380.9671
H52.04272.55601.00713.17271.75083.8859
H62.06863.18591.00732.39381.75083.3372
H71.87212.29973.04730.96713.88593.3372

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 118.371 C1 N3 H6 120.911
C1 O4 H7 105.446 O2 C1 N3 125.869
O2 C1 O4 123.645 N3 C1 O4 110.486
H5 N3 H6 120.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-244.595777
Energy at 298.15K-244.600570
HF Energy-243.867784
Nuclear repulsion energy122.949920
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 CCSD=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3831 3831 87.47      
2 A 3766 3766 57.85      
3 A 3630 3630 48.77      
4 A 1840 1840 559.07      
5 A 1638 1638 102.65      
6 A 1447 1447 129.20      
7 A 1264 1264 183.63      
8 A 1106 1106 60.44      
9 A 965 965 39.34      
10 A 787 787 30.72      
11 A 592 592 45.86      
12 A 572 572 72.74      
13 A 500 500 20.11      
14 A 469 469 25.58      
15 A 316 316 241.31      

Unscaled Zero Point Vibrational Energy (zpe) 11359.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11359.8 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 CCSD=FULL/aug-cc-pVDZ
ABC
0.38230 0.35875 0.18541

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.040 0.124 -0.002
O2 -0.466 1.264 0.007
N3 1.279 -0.237 -0.054
O4 -0.840 -0.982 0.002
H5 1.949 0.492 0.140
H6 1.529 -1.189 0.171
H7 -1.747 -0.647 0.006

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.21681.36891.36512.02772.05361.8730
O21.21682.30292.27722.53873.16632.3009
N31.36892.30292.24631.00941.00963.0541
O41.36512.27722.24633.15722.38320.9672
H52.02772.53871.00943.15721.73353.8697
H62.05363.16631.00962.38321.73353.3242
H71.87302.30093.05410.96723.86973.3242

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 116.173 C1 N3 H6 118.618
C1 O4 H7 105.580 O2 C1 N3 125.803
O2 C1 O4 123.674 N3 C1 O4 110.499
H5 N3 H6 118.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability